Volumes | Turbo Expo: Power for Land, Sea, and Air | American Society of Mechanical Engineers Digital Collection

Topics: Heat transfer , Flat plates , Heat transfer coefficients , Temperature , Air jets , Liquid crystals , Measurement uncertainty , Reynolds number , Transients (Dynamics)

An Experimental Study of Heat Transfer and Pressure Drop on the Bend Surface of a U-Duct

Tareq Salameh, Bengt Sunden

GT 2010; 13-21doi:https://doi.org/10.1115/GT2010-22139

Abstract

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Topics: Ducts , Heat transfer , Pressure drop , Friction , Calibration , Cooling , Exterior walls , Reynolds number , Blades , Convection

Effects of a Realistically Rough Surface on Vane Aerodynamic Losses Including the Influence of Turbulence Condition and Reynolds Number

E. L. Erickson, F. E. Ames, J. P. Bons

GT 2010; 23-31doi:https://doi.org/10.1115/GT2010-22173

Abstract

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Topics: Reynolds number , Surface roughness , Turbulence , Suction , Combustion chambers , Geometry , Chords (Trusses) , Pressure , Tiles , Epoxy adhesives

Effects of a Realistically Rough Surface on Vane Heat Transfer Including the Influence of Turbulence Condition and Reynolds Number

E. L. Erickson, F. E. Ames, J. P. Bons

GT 2010; 33-41doi:https://doi.org/10.1115/GT2010-22174

Abstract

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Topics: Heat transfer , Reynolds number , Surface roughness , Turbulence , Pressure , Chords (Trusses) , Combustion chambers , Geometry , Epoxy adhesives , Epoxy resins

Flow and Heat Transfer of Air and Steam in Internal Cooling Passages of Turbine Blade

Xinjun Wang, Wei Wang, Luke Chou, Yumeng Han, Liang Xu, Linqi Shui

GT 2010; 43-52doi:https://doi.org/10.1115/GT2010-22180

Abstract

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Topics: Cooling , Flow (Dynamics) , Heat transfer , Steam , Turbine blades

Influence of Channel Orientation on Heat Transfer in a Two-Pass Smooth and Ribbed Rectangular Channel (AR=2:1) Under Large Rotation Numbers

Michael Huh, Jiang Lei, Je-Chin Han

GT 2010; 53-65doi:https://doi.org/10.1115/GT2010-22190

Abstract

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Topics: Heat transfer , Rotation , Buoyancy , Flow (Dynamics) , Reynolds number , Cooling , Vortices

Model Verification of Mist/Steam Cooling With Jet Impingement Onto a Concave Surface and Prediction at Elevated Operating Condition

Ting Wang, T. S. Dhanasekaran

GT 2010; 67-79doi:https://doi.org/10.1115/GT2010-22238

Abstract

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Topics: Blades , Cooling , Gas turbines , Heat transfer , Jets , Steam

Heat Transfer Investigation of an Aggressive Intermediate Turbine Duct: Part 2—Numerical Analysis

Fredrik Wallin, Carlos Arroyo Osso

GT 2010; 81-89doi:https://doi.org/10.1115/GT2010-22252

Abstract

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Topics: Ducts , Heat transfer , Numerical analysis , Turbines , Computational fluid dynamics , Pressure , Engines , High pressure (Physics) , Boundary-value problems , Compressible flow

Predictions of Enhanced Heat Transfer of an Internal Blade Tip-Wall With Hemispherical Dimples or Protrusions

Gongnan Xie, Bengt Sunde´n, Quiwang Wang

GT 2010; 91-100doi:https://doi.org/10.1115/GT2010-22265

Abstract

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Topics: Blades , Heat transfer

A Numerical Study of an Impingement Array Inside a Three Dimensional Turbine Vane

Marcel Leo´n De Paz, B. A. Jubran

GT 2010; 101-112doi:https://doi.org/10.1115/GT2010-22270

Abstract

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Topics: Turbines , Cross-flow , Heat transfer , Reynolds number , Jets , Forced convection , High pressure (Physics) , Pressure , Turbulence

Effect of Turning Vane Configurations on Heat Transfer and Pressure Drop in a Ribbed Internal Cooling System

Wei Chen, Jing Ren, Hongde Jiang

GT 2010; 113-125doi:https://doi.org/10.1115/GT2010-22273

Abstract

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Topics: Cooling systems , Heat transfer , Pressure drop , Turning vanes , Turbulence , Blades , Ducts , Airfoils , Cooling , Friction

Heat Transfer Characteristics of an Oblique Jet Impingement Configuration in a Passage With Ribbed Surfaces

Florian Hoefler, Simon Schueren, Jens von Wolfersdorf, Shailendra Naik

GT 2010; 127-138doi:https://doi.org/10.1115/GT2010-22288

Abstract

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Topics: Heat transfer , Jets , Reynolds number , Blades , Cooling , Flow (Dynamics) , Gas turbines , Geometry , Heat capacity , Impingement cooling

Investigation of Sand Particle Deposition and Erosion Within a Short Pin Fin Array

Jonathan B. Cowan, Danesh K. Tafti, Atul Kohli

GT 2010; 139-149doi:https://doi.org/10.1115/GT2010-22362

Abstract

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Topics: Erosion , Particulate matter , Sands , Temperature , Fluids , Simulation

Simulations of Multi-Phase Particle Deposition on Endwall Film-Cooling

Seth A. Lawson, Karen A. Thole

GT 2010; 151-162doi:https://doi.org/10.1115/GT2010-22376

Abstract

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Topics: Engineering simulation , Film cooling , Particulate matter , Simulation , Syngas , Coal , Combustion , Fuels , Turbines , Cascades (Fluid dynamics)

Numerical Investigation of Heat Transfer and Flow Characteristics in a Steam-Cooled Square Ribbed Duct

Linqi Shui, Jianmin Gao, Liang Xu, Xinjun Wang

GT 2010; 163-171doi:https://doi.org/10.1115/GT2010-22407

Abstract

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Topics: Ducts , Flow (Dynamics) , Heat transfer , Steam , Cooling , Friction , Pressure , Turbulence , Gas turbines , Heat transfer coefficients

Experimental Investigation of Conjugate Heat Transfer in a Rib-Roughened Trailing Edge Channel With Crossing-Jets

Filippo Coletti, Manfredi Scialanga, Tony Arts

GT 2010; 173-184doi:https://doi.org/10.1115/GT2010-22432

Abstract

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Topics: Heat transfer , Jets , Cooling , Cavities , Electrical conductivity , Engines , Finite element analysis , Fluids , Heat conduction , Heat flux

Comparisons of Flow Friction and Heat Transfer Performance in Rectangular Channels With Pin Fin-Dimple, Pin Fin and Dimple Arrays

Yu Rao, Chaoyi Wan, Shusheng Zang

GT 2010; 185-195doi:https://doi.org/10.1115/GT2010-22442

Abstract

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Topics: Convection , Flow (Dynamics) , Friction , Heat transfer

A Simplified Approach to Design Transverse Ribs Which Array Alternately in Rectangular Channel

Hong Zhang, Jianhua Wang, Xiangyu Wu, Haiying Lu

GT 2010; 197-203doi:https://doi.org/10.1115/GT2010-22562

Abstract

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Topics: Design , Optimization , Pressure , Coolants , Cooling , Flow (Dynamics) , Friction , Heat , Heat transfer coefficients , Numerical analysis

Numerical Investigations of Fluid Flow and Heat Transfer Performances of Semiattached Rib Channel Design

Jianhua Wang, Huichun Liu, Mao Mao, Xu Li, Zhiqiang Zhang

GT 2010; 205-211doi:https://doi.org/10.1115/GT2010-22563

Abstract

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Topics: Design , Fluid dynamics , Heat transfer , Air flow , Computer software , Convection , Coolants , Cooling , Corners (Structural elements) , Friction

Computational and Experimental Study of Conjugate Heat Transfer From a Flat Plate With an Impinging Jet

Rajesh Kumar Panda, B. V. S. S. S. Prasad

GT 2010; 213-222doi:https://doi.org/10.1115/GT2010-22572

Abstract

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Topics: Flat plates , Heat transfer , Large eddy simulation

Heat Transfer in a Rotating Rectangular Channel With Two Opposite Walls Roughened With Spherical Protrusions at High Rotation Numbers

S. W. Chang, T.-M. Liou, W. C. Chen

GT 2010; 223-232doi:https://doi.org/10.1115/GT2010-22609

Abstract

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Topics: Heat transfer , Rotation , Buoyancy , Blades , Cooling , Flow (Dynamics) , Rotors , Thermography , Turbines

Numerical Validation of Heat Transfer Augmentation Factor in Serpentine Passages With Ribbed Walls

B. V. N. Ramakumar, Vighneswara R. Kollati, Jong S. Liu, Daniel C. Crites, Shraman Goswami, Vaman Kulkarni

GT 2010; 233-243doi:https://doi.org/10.1115/GT2010-22636

Abstract

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Topics: Heat transfer , Computational fluid dynamics , Flow (Dynamics) , Reynolds number , Pipe flow , Uncertainty

Investigation of Coriolis Forces Effect of Flow Structure and Heat Transfer Distribution in a Rotating Dimpled Channel

Mohammad A. Elyyan, Danesh K. Tafti

GT 2010; 245-254doi:https://doi.org/10.1115/GT2010-22657

Abstract

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Topics: Coriolis force , Flow (Dynamics) , Heat transfer , Rotation , Geometry , Boundary layers , Cavities , Large eddy simulation , Shrinkage (Materials) , Turbulence

Effect of Temperature Nonuniformity on Heat Transfer in an Unshrouded Transonic HP Turbine: An Experimental and Computational Investigation

Imran Qureshi, Andy D. Smith, Kam S. Chana, Thomas Povey

GT 2010; 255-270doi:https://doi.org/10.1115/GT2010-22700

Abstract

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Topics: Heat transfer , Rotors , Temperature , Turbines

Heat Transfer for the Blade of a Cooled Stage and One-Half High-Pressure Turbine: Part I—Influence of Cooling Variation

R. M. Mathison, C. W. Haldeman, M. G. Dunn

GT 2010; 271-284doi:https://doi.org/10.1115/GT2010-22713

Abstract

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Topics: Blades , Cooling , Heat transfer , High pressure (Physics) , Turbine components , Flow (Dynamics) , Temperature profiles , Heat flux , Suction , Airfoils

Heat Transfer for the Blade of a Cooled Stage and One-Half High-Pressure Turbine: Part II—Independent Influences of Vane Trailing Edge and Purge Cooling

R. M. Mathison, C. W. Haldeman, M. G. Dunn

GT 2010; 285-298doi:https://doi.org/10.1115/GT2010-22715

Abstract

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Topics: Blades , Cooling , Heat transfer , High pressure (Physics) , Turbine components , Circuits , Coolants , Pressure , Flow (Dynamics) , Airfoils

Aerodynamics and Heat Transfer for a Cooled One and One-Half Stage High-Pressure Turbine: Part I—Vane Inlet Temperature Profile Generation and Migration

R. M. Mathison, C. W. Haldeman, M. G. Dunn

GT 2010; 299-312doi:https://doi.org/10.1115/GT2010-22716

Abstract

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Topics: Aerodynamics , Heat transfer , High pressure (Physics) , Temperature profiles , Turbine components , Turbines , Blades , Flow (Dynamics) , Fluids , Temperature

Aerodynamics and Heat Transfer for a Cooled One and One-Half Stage High-Pressure Turbine: Part II—Influence of Inlet Temperature Profile on Blade Row and Shroud

R. M. Mathison, C. W. Haldeman, M. G. Dunn

GT 2010; 313-322doi:https://doi.org/10.1115/GT2010-22718

Abstract

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Topics: Aerodynamics , Blades , Heat transfer , High pressure (Physics) , Temperature profiles , Turbine components , Temperature , Flow (Dynamics) , Heat flux , Fluids

Heat Transfer Investigations in Multiple Impinging Jets at Low Reynolds Number

Arvind G. Rao, Myra Kitron-Belinkov, Vladimir Krapp, Yeshayahou Levy

GT 2010; 323-333doi:https://doi.org/10.1115/GT2010-22720

Abstract

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Topics: Heat transfer , Jets , Reynolds number , Computational fluid dynamics , Cooling , Heat transfer coefficients , Turbine blades , Combustion chambers , Complex systems , Computer simulation

Transonic Turbine Blade Tip Aero-Thermal Performance With Different Tip Gaps: Part I—Tip Heat Transfer

Q. Zhang, D. O. O’Dowd, L. He, M. L. G. Oldfield, P. M. Ligrani

GT 2010; 335-346doi:https://doi.org/10.1115/GT2010-22779

Abstract

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Topics: Heat transfer , Turbine blades , Flow (Dynamics) , Blades , Computational fluid dynamics , Shock waves , Cascades (Fluid dynamics) , Engines , Leakage flows , Mach number

Transonic Turbine Blade Tip Aero-Thermal Performance With Different Tip Gaps: Part II—Tip Aerodynamic Loss

D. O. O’Dowd, Q. Zhang, I. Usandizaga, L. He, P. M. Ligrani

GT 2010; 347-356doi:https://doi.org/10.1115/GT2010-22780

Abstract

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Topics: Blades , Cascades (Fluid dynamics) , Chords (Trusses) , Clearances (Engineering) , Computational fluid dynamics , Engines , Flow (Dynamics) , Leakage , Leakage flows , Mach number

Aero-Thermal Performance of a Winglet at Engine Representative Mach and Reynolds Numbers

D. O. O’Dowd, Q. Zhang, L. He, M. L. G. Oldfield, P. M. Ligrani, B. C. Y. Cheong, I. Tibbott

GT 2010; 357-367doi:https://doi.org/10.1115/GT2010-22794

Abstract

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Topics: Blades , Cascades (Fluid dynamics) , Computational fluid dynamics , Engines , Flow (Dynamics) , Heat transfer , Reynolds number , Shock waves , Test facilities , Thermography

Heat Transfer in Trailing Edge Wedge-Shaped Pin-Fin Channels With Slot Ejection Under High Rotation Numbers

Akhilesh P. Rallabandi, Yao-Hsien Liu, Je-Chin Han

GT 2010; 369-380doi:https://doi.org/10.1115/GT2010-22832

Abstract

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Topics: Heat transfer , Rotation , Wedges , Heat transfer coefficients , Fins , Blades , Buoyancy , Copper , Flow (Dynamics) , Pressure

Numerical Predictions of the Effect of Rotation on Fluid Flow and Heat Transfer in an Engine-Similar Two-Pass Internal Cooling Channel With Smooth and Ribbed Walls

M. Schu¨ler, H.-M. Dreher, S. O. Neumann, B. Weigand, M. Elfert

GT 2010; 381-393doi:https://doi.org/10.1115/GT2010-22870

Abstract

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Topics: Cooling , Engines , Fluid dynamics , Heat transfer , Rotation , Flow (Dynamics) , Computation , Coriolis force , Cross section (Physics) , Navier-Stokes equations

High Temperature Turbine First Stage Vane Wake to Stator Heat Shield Interaction on Outer Casing

Magali Cochet, Tanguy Arzel, Michael Gritsch, Bruno Stephan, Martin Schnieder

GT 2010; 395-404doi:https://doi.org/10.1115/GT2010-22956

Abstract

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Topics: Heat shielding , High temperature , Stators , Turbines , Wakes , Computational fluid dynamics , Cooling , Design , Emissions , Film cooling

A Transient Infrared Technique for Measuring Surface and Endwall Heat Transfer in a Transonic Turbine Cascade

C. Reagle, A. Newman, S. Xue, W. Ng, S. Ekkad, H. K. Moon, L. Zhang

GT 2010; 405-411doi:https://doi.org/10.1115/GT2010-22975

Abstract

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Topics: Cascades (Fluid dynamics) , Heat transfer , Transients (Dynamics) , Turbines , Thermography , Heat transfer coefficients , Mach number , Reynolds number , Turbulence , Blades

Micro Channels With Manufacturing Roughness Levels

S. A. Weaver, M. D. Barringer, K. A. Thole

GT 2010; 413-422doi:https://doi.org/10.1115/GT2010-22976

Abstract

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Topics: Manufacturing , Microchannels , Surface roughness , Heat transfer , Friction , Boundary-value problems , Convection , Cooling , Flow (Dynamics) , Gas turbines

Geometrical Uncertainty and Film Cooling: Fillet Radii

F. Montomoli, M. Massini, S. Salvadori, F. Martelli

GT 2010; 423-432doi:https://doi.org/10.1115/GT2010-22979

Abstract

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Topics: Film cooling , Uncertainty , Ducts , Coolants , Approximation , Computer simulation , Corners (Structural elements) , Discharge coefficient , Engineering simulation , Gas turbines

Temperature Predictions and Comparison With Measurements for the Blade Leading Edge and Platform of a 1-1/2 Stage Transonic HP Turbine

R. M. Mathison, M. B. Wishart, C. W. Haldeman, M. G. Dunn

GT 2010; 433-446doi:https://doi.org/10.1115/GT2010-22987

Abstract

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Topics: Blades , Temperature , Turbines , Boundary-value problems , Temperature profiles , Cooling , Design , Fluids , Cavities , Computation

Experimental Measurements and Computational Predictions for an Internally Cooled Simulated Turbine Vane With 90 Degree Rib Turbulators

Jason E. Dees, David G. Bogard, Gustavo A. Ledezma, Gregory M. Laskowski, Anil K. Tolpadi

GT 2010; 447-456doi:https://doi.org/10.1115/GT2010-23004

Abstract

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Topics: Turbines , Temperature , Coolants , Cooling , Circuits , Heat transfer , Heat transfer coefficients , Metals , Reynolds number

Momentum and Thermal Boundary Layer Development on an Internally Cooled Turbine Vane

Jason E. Dees, David G. Bogard, Gustavo A. Ledezma, Gregory M. Laskowski, Anil K. Tolpadi

GT 2010; 457-469doi:https://doi.org/10.1115/GT2010-23008

Abstract

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Topics: Momentum , Thermal boundary layers , Turbines , Engineering simulation , Simulation , Boundary layers , Heat transfer , Turbulence , Pressure gradient , Temperature distribution

Study of Flow Through a Stationary Ribbed Channel for Blade Cooling

R. S. Amano, Krishna Guntur, Jose Martinez Lucci, Yu Ashitaka

GT 2010; 471-478doi:https://doi.org/10.1115/GT2010-23031

Abstract

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Topics: Blades , Cooling , Flow (Dynamics) , Temperature , Firing , Turbulence , Heat transfer , Stress , Turbines , Computational fluid dynamics

Experimental Flow Visualization Study in a Trapezoidal Duct With Impingement Jets and Cross Flow Near the Leading Edge

Haiyong Liu, Songling Liu, Hongfu Qiang, Cunliang Liu

GT 2010; 479-490doi:https://doi.org/10.1115/GT2010-23076

Abstract

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Topics: Cross-flow , Ducts , Flow visualization , Jets , Flow (Dynamics) , Film cooling , Outflow , Airfoils , Cooling , Design

Effects of Pin Detached Space on Heat Transfer and From Pin Fin Arrays

Sin Chien Siw, Minking K. Chyu, Tom I.-P. Shih, Mary Anne Alvin

GT 2010; 491-500doi:https://doi.org/10.1115/GT2010-23227

Abstract

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Topics: Heat transfer , Geometry , Pressure , Airfoils , Convection , Cooling , Flow (Dynamics) , Gas turbines , Heat transfer coefficients , Imaging

Conjugate Heat Transfer Analysis of a High Pressure Air-Cooled Gas Turbine Vane

Zhenfeng Wang, Peigang Yan, Hongyan Huang, Wanjin Han

GT 2010; 501-508doi:https://doi.org/10.1115/GT2010-23247

Abstract

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Topics: Gas turbines , Heat transfer , High pressure (Physics) , Turbulence , Blades , Boundary-value problems , Flow (Dynamics) , Turbines , Computation , Cooling

Conjugate Heat Transfer Numerical Validation and PSE Analysis of Transonic Internally-Cooled Turbine Cascade

Peigang Yan, Zhenfeng Wang, Wanjin Han

GT 2010; 509-516doi:https://doi.org/10.1115/GT2010-23251

Abstract

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Topics: Cascades (Fluid dynamics) , Heat transfer , Turbines , Turbulence , Thermal boundary layers , Momentum , Reynolds number , Stability , Airfoils , Boundary layers

Prediction of the Influence of Upstream Wake Passing on Downstream Blade Row External Heat Transfer Coefficient: A New Physically-Based Method

K. S. Chana, B. R. Haller

GT 2010; 517-524doi:https://doi.org/10.1115/GT2010-23314

Abstract

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Topics: Blades , Heat transfer coefficients , Wakes , Turbines , Cooling , Cooling systems , Heat transfer , Nozzle guide vanes , Boundary layers , Boundary-value problems

Fully-Cooled Single Stage HP Transonic Turbine: Part II—Influence of Cooling Mass Flow Changes and Inlet Temperature Profiles on Blade and Shroud Heat-Transfer

C. W. Haldeman, M. G. Dunn, R. M. Mathison

GT 2010; 525-538doi:https://doi.org/10.1115/GT2010-23445

Abstract

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Topics: Blades , Cooling , Flow (Dynamics) , Heat transfer , Temperature profiles , Turbine components , Heat flux , Turbines , Airfoils , Design

Fully-Cooled Single Stage HP Transonic Turbine: Part I—Influence of Cooling Mass Flow Variations and Inlet Temperature Profiles on Blade Internal and External Aerodynamics

C. W. Haldeman, M. G. Dunn, R. M. Mathison

GT 2010; 539-553doi:https://doi.org/10.1115/GT2010-23446

Abstract

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Topics: Aerodynamics , Blades , Cooling , Flow (Dynamics) , Temperature profiles , Turbine components , Pressure , Airfoils , Heat transfer , Suction

PIV-Measurement of Secondary Flow in a Rotating Two-Pass Cooling System With an Improved Sequencer Technique

M. Elfert, M. Schroll, W. Fo¨rster

GT 2010; 555-567doi:https://doi.org/10.1115/GT2010-23510

Abstract

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Topics: Cooling systems , Flow (Dynamics) , Flow turning , Rotation , Vortices , Ducts , Turbulence , Engines , Buoyancy , Rotational flow

Aerothermal Research for Turbine Components: An Overview of the European AITEB-2 Project

Erik Janke, Torsten Wolf

GT 2010; 569-578doi:https://doi.org/10.1115/GT2010-23511

Abstract

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Topics: Turbine components , Turbines , Aircraft engines , Computational fluid dynamics , Cooling , Design , Ducts , Flow (Dynamics) , Gas turbines , Optimization

Experimental and Numerical Cross-Over Jet Impingement in an Airfoil Trailing-Edge Cooling Channel

M. E. Taslim, A. Nongsaeng

GT 2010; 579-591doi:https://doi.org/10.1115/GT2010-23521

Abstract

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Topics: Airfoils , Cooling , Jets , Cavities , Heat transfer coefficients , Turbulence , Flow (Dynamics) , Pressure , Reynolds number , Boundary-value problems

Numerical and Experimental Investigation of Turning Flow Effects on Innovative Pin Fin Arrangements for Trailing Edge Cooling Configurations

C. Bianchini, B. Facchini, F. Simonetti, L. Tarchi, S. Zecchi

GT 2010; 593-604doi:https://doi.org/10.1115/GT2010-23536

Abstract

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Topics: Cooling , Flow turning , Flow (Dynamics) , Blades , Computational fluid dynamics , Computer software , Ducts , Engine flow , Engineering simulation , Fins

Heat Transfer Investigation of an Aggressive Intermediate Turbine Duct: Part 1—Experimental Investigation

Carlos Arroyo Osso, T. Gunnar Johansson, Fredrik Wallin

GT 2010; 605-613doi:https://doi.org/10.1115/GT2010-23653

Abstract

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Topics: Ducts , Heat transfer , Turbines , Design , Engines , Pressure , Computational fluid dynamics , Convection , Emissions , Flow (Dynamics)

Composition Dependent Model for the Prediction of Syngas Ash Deposition With Application to a Leading Edge Turbine Vane

Sai Shrinivas Sreedharan, Danesh K. Tafti

GT 2010; 615-626doi:https://doi.org/10.1115/GT2010-23655

Abstract

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Topics: Syngas , Turbines , Particulate matter , Temperature , Fly ash , Accounting , Computer simulation , Flat plates , Flow (Dynamics) , Geometry

Effects of Thermal Radiation on Air Plasma Spray (APS) Coated Gas Turbine Blade

Stephen Akwaboa, Patrick Mensah, Ravinder Diwan

GT 2010; 627-633doi:https://doi.org/10.1115/GT2010-23660

Abstract

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Topics: Blades , Gas turbines , Plasmas (Ionized gases) , Sprays , Thermal barrier coatings , Thermal radiation , Radiation (Physics) , Temperature distribution , Metals , Oxidation

Internal Cooling Using Novel Swirl Enhancement Strategies in a Slot Shaped Single Pass Channel

Del Segura, Sumanta Acharya

GT 2010; 635-644doi:https://doi.org/10.1115/GT2010-23679

Abstract

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Topics: Cooling , Flow (Dynamics) , Fluids , Friction , Heat transfer , Heat transfer coefficients , Jets , Liquid crystals , Reynolds number , Strips

Analysis of Unsteady Tip and Endwall Heat Transfer in a Highly Loaded Transonic Turbine Stage

Vikram Shyam, Ali Ameri, Jen-Ping Chen

GT 2010; 645-656doi:https://doi.org/10.1115/GT2010-23694

Abstract

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Topics: Heat transfer , Turbines , Rotors , Blades , Flow (Dynamics) , Geometry , Heat flux , Reynolds number , Temperature , Die cutting

Numerical Study of Flow and Heat Transfer of Impingement Cooling on Model of Turbine Blade Leading Edge

Zhao Liu, Zhenping Feng, Liming Song

GT 2010; 657-674doi:https://doi.org/10.1115/GT2010-23711

Abstract

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Topics: Flow (Dynamics) , Heat transfer , Impingement cooling , Turbine blades , Nozzles , Simulation , Jets , Mach number , Turbines , Blades

Channel Height and Jet Spacing Effect on Heat Transfer and Uniformity Coefficient on an Inline Row Impingement Channel

Mark Ricklick, Roberto Claretti, J. S. Kapat

GT 2010; 675-684doi:https://doi.org/10.1115/GT2010-23757

Abstract

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Topics: Airfoils , Channel flow , Convection , Cooling , Cross-flow , Flow (Dynamics) , Heat transfer , Heat transfer coefficients , Jets , Reynolds number

Experimental Study of Surface Roughness Effects on a Turbine Airfoil in a Linear Cascade: Part I—External Heat Transfer

M. Lorenz, A. Schulz, H.-J. Bauer

GT 2010; 685-697doi:https://doi.org/10.1115/GT2010-23800

Abstract

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Topics: Airfoils , Cascades (Fluid dynamics) , Heat transfer , Surface roughness , Turbines , Pressure , Turbulence , Anisotropy , Boundary layer turbulence , Boundary layers

Experimental Study of Surface Roughness Effects on a Turbine Airfoil in a Linear Cascade: Part II—Aerodynamic Losses

M. Lorenz, A. Schulz, H.-J. Bauer

GT 2010; 699-711doi:https://doi.org/10.1115/GT2010-23801

Abstract

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Topics: Airfoils , Cascades (Fluid dynamics) , Surface roughness , Turbines , Boundary layers , Suction , Heat transfer , Reynolds number , Turbulence , Accounting

Aerodynamics and Heat Transfer for a Cooled One and One-Half Stage High-Pressure Turbine: Part III—Impact of Hot Streak Characteristics on Blade Row Heat Flux

R. M. Mathison, C. W. Haldeman, M. G. Dunn

GT 2010; 713-723doi:https://doi.org/10.1115/GT2010-23855

Abstract

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Topics: Aerodynamics , Blades , Heat flux , Heat transfer , High pressure (Physics) , Turbine components , Cooling , Temperature , Coolants , Turbines

Combustion (With Combustion, Fuels and Emissions Committee)

Effect of Simulated Combustor Temperature Nonuniformity on HP Vane and Endwall Heat Transfer: An Experimental and Computational Investigation

Imran Qureshi, Arrigo Beretta, Thomas Povey

GT 2010; 725-741doi:https://doi.org/10.1115/GT2010-22702

Abstract

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Topics: Combustion chambers , Heat transfer , Nozzle guide vanes , Temperature , Turbines

Deposition in a Turbine Cascade With Combusting Flow

C. Smith, B. Barker, C. Clum, J. Bons

GT 2010; 743-751doi:https://doi.org/10.1115/GT2010-22855

Abstract

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Topics: Cascades (Fluid dynamics) , Flow (Dynamics) , Turbines , Nozzle guide vanes , Particulate matter , Temperature , Design , Pressure , Coal , Combustion chambers

Combined Effect of Slot Injection, Effusion Array and Dilution Hole on the Heat Transfer Coefficient of a Real Combustor Liner: Part 1—Experimental Analysis

Bruno Facchini, Francesco Maiuolo, Lorenzo Tarchi, Daniele Coutandin

GT 2010; 753-762doi:https://doi.org/10.1115/GT2010-22936

Abstract

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Topics: Combustion chambers , Experimental analysis , Heat transfer coefficients , Annulus , Cooling , Cross-flow , Ducts , Engines , Finite element analysis , Flat plates

Combined Effect of Slot Injection, Effusion Array and Dilution Hole on the Heat Transfer Coefficient of a Real Combustor Liner: Part 2—Numerical Analysis

Antonio Andreini, Alberto Ceccherini, Bruno Facchini, Daniele Coutandin

GT 2010; 763-772doi:https://doi.org/10.1115/GT2010-22937

Abstract

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Topics: Combustion chambers , Heat transfer coefficients , Numerical analysis , Flow (Dynamics) , Heat transfer , Jets , Computational fluid dynamics , Cooling , Turbulence , Coolants

Numerical Study of Aerodynamic Losses of Effusion Cooling Holes in Aero-Engine Combustor Liners

A. Andreini, A. Bonini, G. Caciolli, B. Facchini, S. Taddei

GT 2010; 773-786doi:https://doi.org/10.1115/GT2010-22942

Abstract

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Topics: Aircraft engines , Combustion chambers , Cooling , Flow (Dynamics) , Cooling systems , Discharge coefficient , Computational fluid dynamics , Pressure , Annulus , Coolants

Study of Flow and Convective Heat Transfer in a Simulated Scaled Up Low Emission Annular Combustor

Teddy Sedalor, Sunil Patil, Srinath Ekkad, Danesh Tafti, Yong Kim, Hee-Koo Moon, Ram Srinivasan

GT 2010; 787-794doi:https://doi.org/10.1115/GT2010-22986

Abstract

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Topics: Combustion chambers , Convection , Emissions , Flow (Dynamics) , Heat transfer , Reynolds number , Swirling flow , Annulus , Computational fluid dynamics , Fuels

The Effect of Geometry on the Aerodynamics of a Prototype Gas Turbine Combustor

Bassam Mohammad, San-Mou Jeng

GT 2010; 795-808doi:https://doi.org/10.1115/GT2010-23082

Abstract

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Topics: Aerodynamics , Combustion chambers , Engineering prototypes , Gas turbines , Geometry , Flow (Dynamics) , Combustion , Domes (Structural elements) , Turbulence , Corners (Structural elements)

Influence of the Primary Jets and Fuel Injection on the Aerodynamics of a Prototype Annular Gas Turbine Combustor Sector

Bassam Mohammad, San-Mou Jeng, M. Gurhan Andac

GT 2010; 809-823doi:https://doi.org/10.1115/GT2010-23083

Abstract

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Topics: Aerodynamics , Combustion chambers , Engineering prototypes , Fuels , Gas turbines , Jets , Flow (Dynamics) , Cooling , Combustion , Atmospheric pressure

Heat Transfer and Pressure Losses of W-Shaped Small Ribs at High Reynolds Numbers for Combustor Liner

Tomoko Hagari, Katsuhiko Ishida, Takeo Oda, Yasushi Douura, Yasuhiro Kinoshita

GT 2010; 825-834doi:https://doi.org/10.1115/GT2010-23197

Abstract

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Topics: Combustion chambers , Heat transfer , Pressure , Reynolds number , Cooling , Flat plates , Heat , Heat transfer coefficients , Turbulence , Copper

Heat Transfer and Pressure Drop in Combustor Cooling Channels With Combinations of Geometrical Elements

Se´bastien Kunstmann, Jens von Wolfersdorf, Uwe Ruedel

GT 2010; 835-846doi:https://doi.org/10.1115/GT2010-23234

Abstract

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Topics: Combustion chambers , Cooling , Heat transfer , Pressure drop , Flow (Dynamics) , Gas turbines , Heat transfer coefficients , Liquid crystals , Pressure , Reynolds number

Hot Streak Migration in a Turbine Stage: Integrated Design to Improve Aero-Thermal Performance

A. M. Basol, P. Jenny, M. Ibrahim, A. Kalfas, R. S. Abhari

GT 2010; 847-860doi:https://doi.org/10.1115/GT2010-23556

Abstract

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Topics: Design , Turbines , Blades , Heat , Rotors , Stators , Stress , Particulate matter , Pressure , Boundary-value problems

The Effects of Localized Blade Endwall Suction on Secondary Flows and Heat Transfer

Rebecca Hollis, Jeffrey P. Bons

GT 2010; 861-871doi:https://doi.org/10.1115/GT2010-23664

Abstract

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Topics: Blades , Flow (Dynamics) , Heat transfer , Suction , Boundary layers , Vickers hardness testing , Airfoils , Convection , Flow control , Junctions

Transition (With Turbomachinery Committee)

Experimental Heat Transfer Investigation in a Multisplitter LP Vane Architecture

V. Pinilla, J. P. Solano, G. Paniagua, S. Lavagnoli, T. Yasa

GT 2010; 873-881doi:https://doi.org/10.1115/GT2010-22694

Abstract

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Topics: Heat transfer , Blades , Pressure , Boundary layers , Aircraft engines , Bubbles , Compression , Convection , Diffusers , Flow (Dynamics)

Sensitivity of Numerical Simulations of Low-Reynolds Number Flow Over the T106 Turbine Blade

X. de Saint Victor

GT 2010; 883-890doi:https://doi.org/10.1115/GT2010-22903

Abstract

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Topics: Computer simulation , Flow (Dynamics) , Turbine blades , Bubbles , Chords (Trusses) , Separation (Technology) , Turbulence , Computation , Errors , Reynolds number

Calculation of Steady and Periodic Unsteady Blade Surface Heat Transfer in Separated Transitional Flow

Roberto Pacciani, Filippo Rubechini, Andrea Arnone, Ewald Lutum

GT 2010; 891-900doi:https://doi.org/10.1115/GT2010-23275

Abstract

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Topics: Blades , Flow (Dynamics) , Heat transfer , Cascades (Fluid dynamics) , Turbines , Turbulence , Bubbles , Computation , Cooling , Fluctuations (Physics)

Modeling Separation-Induced Transition Using a Non-Linear Three Equation Turbulence Model and a Reynolds Stress Turbulence Model

Zinon Vlahostergios, Kyros Yakinthos

GT 2010; 901-911doi:https://doi.org/10.1115/GT2010-23331

Abstract

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Topics: Anisotropy , Modeling , Separation (Technology) , Stress , Turbulence

Internal Air and Seals (With Turbomachinery Committee)

Numerical Analysis of Heat Transfer and Flow Stability in an Open Rotating Cavity Using the Maximum Entropy Production Principle

D. Bohn, R. Krewinkel, A. Wolff

GT 2010; 913-920doi:https://doi.org/10.1115/GT2010-22025

Abstract

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Topics: Cavities , Entropy , Flow (Dynamics) , Heat transfer , Numerical analysis , Stability , Disks , Buoyancy , Computation , Cooling systems

Influence of Honeycomb Facings on the Temperature Distribution of Labyrinth Seals

Tina Weinberger, Klaus Dullenkopf, Hans-Jo¨rg Bauer

GT 2010; 921-930doi:https://doi.org/10.1115/GT2010-22069

Abstract

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Topics: Foundry coatings , Honeycomb structures , Temperature distribution

A Probabilistic Secondary Flow System Design Process for Gas Turbine Engines

D. L. Ramerth, A. V. MirzaMoghadam, A. Kiratsingh, G. Banda

GT 2010; 931-941doi:https://doi.org/10.1115/GT2010-22071

Abstract

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Topics: Design , Flow (Dynamics) , Gas turbines , Failure mechanisms , Computer software , Failure , Risk , Sensitivity analysis , Air flow , Boundary-value problems

Heat Transfer in Turbine Hub Cavities Adjacent to the Main Gas Path

Jeffrey A. Dixon, Antonio Guijarro, Andreas Bauknecht, Daniel Coren, Nick Atkins

GT 2010; 943-954doi:https://doi.org/10.1115/GT2010-22130

Abstract

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Topics: Cavities , Heat transfer , Turbines , Design , Cooling , Gas turbines , Modeling , Stators , Air flow , Annulus

1D Tool for Stator-Rotor Cavities Integrated Into a Fluid Network Solver of Heavy-Duty Gas Turbine Secondary Air System

F. Bonzani, L. Bozzi, M. Mantero, A. Vinci, L. Innocenti, M. Micio

GT 2010; 955-964doi:https://doi.org/10.1115/GT2010-22203

Abstract

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Topics: Cavities , Fluids , Gas turbines , Rotors , Stators , Sealing (Process) , Air flow , Flow (Dynamics) , Stress , Blades

Aerothermal Impact of the Interaction Between Hub Leakage and Mainstream Flows in Highly-Loaded HP Turbine Blades

I. Popovic´, H. P. Hodson

GT 2010; 965-976doi:https://doi.org/10.1115/GT2010-22311

Abstract

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Topics: Flow (Dynamics) , Leakage , Turbine blades , Blades , Cooling , Rotors , Suction , Vortices , Coolants , Heat flux

Parametric Single Gap Turbine Rim Seal Model With Boundary Generation for Asymmetric External Flow

M. Hu¨ning

GT 2010; 977-990doi:https://doi.org/10.1115/GT2010-22434

Abstract

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Topics: Flow (Dynamics) , Turbines , Annulus , Modeling , Pressure , Airfoils , Boundary layers , Boundary-value problems , Cascades (Fluid dynamics) , Cavities

Local Measurements of Disc Heat Transfer in Heated Rotating Cavities for Several Flow Regimes

Andre´ Gu¨nther, Wieland Uffrecht, Stefan Odenbach

GT 2010; 991-1000doi:https://doi.org/10.1115/GT2010-22544

Abstract

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Topics: Cavities , Disks , Flow (Dynamics) , Heat transfer , Heat flux , Reynolds number , Cooling , Flux (Metallurgy) , Heat , Heating

The Deduction of the Integral and the Estimation of the Local Core Rotation Ratio by Telemetric Pressure Measurements in a Two Cavity Test Rig

Wieland Uffrecht, Andre´ Gu¨nther

GT 2010; 1001-1011doi:https://doi.org/10.1115/GT2010-22593

Abstract

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Topics: Cavities , Pressure measurement , Rotation , Flow (Dynamics) , Heat transfer , Approximation , Gas turbines , Machinery , Pressure

Modelling the Labyrinth Seal Discharge Coefficient Using Data Mining Methods

Tim Pychynski, Klaus Dullenkopf, Hans-Jo¨rg Bauer, Ralf Mikut

GT 2010; 1013-1023doi:https://doi.org/10.1115/GT2010-22661

Abstract

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Topics: Data mining , Discharge coefficient , Modeling , Artificial neural networks , Databases , Design , Leakage , Algorithms , Computer software , Leakage flows

Coupled Aero-Thermo-Mechanical Simulation for a Turbine Disc Through a Full Transient Cycle

Zixiang Sun, John W. Chew, Nicholas J. Hills, Leo Lewis, Christophe Mabilat

GT 2010; 1025-1036doi:https://doi.org/10.1115/GT2010-22673

Abstract

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Topics: Cycles , Disks , Simulation , Transients (Dynamics) , Turbines , Finite element analysis , Computational fluid dynamics , Cavity flows , Temperature , Computers

Thermo-Mechanical FEA/CFD Coupling of an Interstage Seal Cavity Using Torsional Spring Analogy

Dario Amirante, Nicholas J. Hills, Christopher J. Barnes

GT 2010; 1037-1049doi:https://doi.org/10.1115/GT2010-22684

Abstract

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Topics: Cavities , Computational fluid dynamics , Finite element analysis , Springs , Thermomechanics , Metals , Temperature , Engines , Stators , Boundary-value problems

Experimental Study of Discharge Coefficients for Radial Orifices in High-Speed Rotating Shafts

Jan Sousek, Michael Pfitzner, Reinhard Niehuis

GT 2010; 1051-1060doi:https://doi.org/10.1115/GT2010-22691

Abstract

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Topics: Cross-flow , Discharge coefficient , Orifices

CFD-FE Automation and Thermo-Fluid Characterisation of an IP Turbine Cavity

David Bagshaw, Sohail Alizadeh, Christophe Mabilat, Leo Lewis

GT 2010; 1061-1070doi:https://doi.org/10.1115/GT2010-22710

Abstract

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Topics: Cavities , Computational fluid dynamics , Thermofluids , Turbines , Temperature , Aircraft engines , Disks , Cycles , Design , Engines

Simulations of Flow Ingestion and Related Structures in a Turbine Disk Cavity

Steve Julien, Julie Lefrancois, Guy Dumas, Guillaume Boutet-Blais, Simon Lapointe, Jean-Francois Caron, Remo Marini

GT 2010; 1071-1080doi:https://doi.org/10.1115/GT2010-22729

Abstract

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Topics: Cavities , Disks , Engineering simulation , Flow (Dynamics) , Simulation , Turbines , Blades , Pressure , Cavity flows , Computer simulation

Numerical Investigation of Leakage and Power Loss for Different Seal Types in Turbine Stage Environment

Rui Yang, Jiandao Yang, Mingxu Qi, Liqun Shi, Zeying Peng

GT 2010; 1081-1090doi:https://doi.org/10.1115/GT2010-22743

Abstract

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Topics: Leakage , Turbines , Honeycomb structures , Clearances (Engineering) , Diaphragms (Mechanical devices) , Diaphragms (Structural) , Flow (Dynamics) , Blades , Computational fluid dynamics , Darcy's law

Investigation of Augmented Angel Wing Sealing Through the Use of Surface Concavity Arrays

Ronald S. Bunker, Nuo Sheng

GT 2010; 1091-1101doi:https://doi.org/10.1115/GT2010-22775

Abstract

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Topics: Sealing (Process) , Wings , Stators , Rotors , Flow (Dynamics) , Disks , Surface finishing , Cavities , Clearances (Engineering) , Drag (Fluid dynamics)

Transient Thermodynamic, Thermal and Structure Analysis of a Steam Turbine During Its Start-Up

Romuald Rza˛dkowski, Piotr Lampart, Leszek Kwapisz, Mariusz Szymaniak, Marcin Drewczyn´ski

GT 2010; 1103-1112doi:https://doi.org/10.1115/GT2010-22813

Abstract

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Topics: Steam turbines , Transients (Dynamics) , Turbines , Heat , Blades , Flow (Dynamics) , Flux (Metallurgy) , Metals , Rotors , Computation

Response of a Disk Cavity Flow to Gas Turbine Engine Transients

David May, John W. Chew

GT 2010; 1113-1122doi:https://doi.org/10.1115/GT2010-22824

Abstract

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Topics: Cavity flows , Disks , Gas turbines , Transients (Dynamics) , Cavities , Computational fluid dynamics , Conservation laws (Physics) , Flow (Dynamics) , Rotation , Rotors

Calculation of Disk Temperatures in Gas Turbine Rotor-Stator Cavities Using Conjugate Heat Transfer

Aneesh Sridhar Vadvadgi, Savas Yavuzkurt

GT 2010; 1123-1132doi:https://doi.org/10.1115/GT2010-22838

Abstract

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Topics: Cavities , Disks , Gas turbines , Heat transfer , Rotors , Stators , Temperature , Boundary-value problems , Flow (Dynamics) , Heat transfer coefficients

Effects of Clearances on the Leakage Flow Characteristics of Two Kinds of Brush Seals and Referenced Labyrinth Seal

Jun Li, Yangzi Huang, Zhigang Li, Zhenping Feng, Hong Yang, Jiandao Yang, Liqun Shi

GT 2010; 1133-1142doi:https://doi.org/10.1115/GT2010-22877

Abstract

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Topics: Leakage flows , Sealing (Process) , Clearances (Engineering) , Flow (Dynamics) , Porous materials , Reynolds-averaged Navier–Stokes equations , Design , Pressure , Reliability , Rotors

An Efficient Procedure for the Analysis of Heavy Duty Gas Turbine Secondary Flows in Different Operating Conditions

Matteo Cerutti, Luca Bozzi, Federico Bonzani, Carlo Carcasci

GT 2010; 1143-1154doi:https://doi.org/10.1115/GT2010-22935

Abstract

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Topics: Flow (Dynamics) , Gas turbines , Cooling , Blades , Cooling systems , Air flow , Combined cycles , Experimental design , Film cooling , Fluids

Large-Eddy Simulation of Rim Seal Ingestion

Thomas S. D. O’Mahoney, Nicholas J. Hills, John W. Chew, Timothy Scanlon

GT 2010; 1155-1165doi:https://doi.org/10.1115/GT2010-22962

Abstract

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Topics: Large eddy simulation , Flow (Dynamics) , Reynolds-averaged Navier–Stokes equations , Engineering simulation , Simulation , Turbines , Failure , Reynolds number , Sealing (Process) , Turbulence

CFD Analysis of Flow and Heat Transfer in a Direct Transfer Pre-Swirl System

Umesh Javiya, John Chew, Nick Hills, Leisheng Zhou, Mike Wilson, Gary Lock

GT 2010; 1167-1178doi:https://doi.org/10.1115/GT2010-22964

Abstract

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Topics: Computational fluid dynamics , Flow (Dynamics) , Heat transfer , Turbulence , Modeling , Nozzles , Pressure , Design , Disks , Geometry

Study on the Leakage and Deformation Characteristics of the Finger Seals by Using Numerical Simulation

Hai Zhang, Qun Zheng, Guoqiang Yue

GT 2010; 1179-1190doi:https://doi.org/10.1115/GT2010-23194

Abstract

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Topics: Computer simulation , Deformation , Fluids , Leakage , Pressure , Kinetic energy , Vortices , Energy dissipation , Flow (Dynamics) , Fluid structure interaction

Aerodynamic Performance of Stepped Labyrinth Seals for Gas Turbine Applications

Y. Kang, T. S. Kim, S. Y. Kang, H. K. Moon

GT 2010; 1191-1199doi:https://doi.org/10.1115/GT2010-23256

Abstract

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Topics: Gas turbines , Honeycomb structures , Leakage , Clearances (Engineering) , Pressure

CFD Modelling and LDA Measurements for the Air-Flow in an Aero-Engine Front Bearing Chamber

J. Aidarinis, D. Missirlis, K. Yakinthos, A. Goulas

GT 2010; 1201-1208doi:https://doi.org/10.1115/GT2010-23294

Abstract

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Topics: Air flow , Aircraft engines , Bearings , Computational fluid dynamics , Flow (Dynamics) , Modeling , Porous materials

Direct Outer Ring Cooling of a High Speed Jet Engine Mainshaft Ball Bearing: Experimental Investigation Results

Peter Gloeckner, Klaus Dullenkopf, Michael Flouros

GT 2010; 1209-1216doi:https://doi.org/10.1115/GT2010-23312

Abstract

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Topics: Ball bearings , Cooling , Jet engines , Bearings , Aircraft propulsion , Energy dissipation , Flight , Reliability , Stress , Temperature

Prediction of Ingress Through Turbine Rim Seals: Part 1—Externally-Induced Ingress

J. Michael Owen, Kunyuan Zhou, Oliver Pountney, Mike Wilson, Gary Lock

GT 2010; 1217-1234doi:https://doi.org/10.1115/GT2010-23346

Abstract

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Topics: Turbines , Pressure , Annulus , Computational fluid dynamics , Flow (Dynamics) , Wheels , Sealing (Process) , Blades , Design , Engines

Prediction of Ingress Through Turbine Rim Seals: Part 2—Combined Ingress

J. Michael Owen, Oliver Pountney, Gary Lock

GT 2010; 1235-1245doi:https://doi.org/10.1115/GT2010-23349

Abstract

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Topics: Annulus , Discharge coefficient , Engines , Flow (Dynamics) , Pressure , Sealing (Process) , Shapes , Turbines

Impacts of Engine Secondary Air System Uncertainties on Gas Turbine Compressor Heat Transfer

Sohail Alizadeh, Naveen Gopinathrao

GT 2010; 1247-1258doi:https://doi.org/10.1115/GT2010-23392

Abstract

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Topics: Compressors , Engines , Gas turbines , Heat transfer , Uncertainty , Computational fluid dynamics , Design , Temperature , Cavities , Disks

An Advanced Multi-Configuration Stator Well Cooling Test Facility

D. D. Coren, N. R. Atkins, J. R. Turner, D. E. Eastwood, S. Davies, P. R. N. Childs, J. Dixon, T. S. Scanlon

GT 2010; 1259-1270doi:https://doi.org/10.1115/GT2010-23450

Abstract

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Topics: Cooling , Stators , Test facilities , Flow (Dynamics) , Coolants , Engines , Annulus , Cavities , Displacement , Gas turbines

Labyrinth Seal Technology Within the Dutch Aero Engine Cluster

Gerrit Kool, Arjen Kloosterman, Bambang Soemarwoto, Joris Versluis, Robert Janssen

GT 2010; 1271-1281doi:https://doi.org/10.1115/GT2010-23469

Abstract

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Topics: Aircraft engines , Computational fluid dynamics , Design , Compressors , Flow (Dynamics) , Flow simulation , Honeycomb structures , Manufacturing , Optimization , Testing

CFD Methods for Shear Driven Liquid Wall Films

Amir A. Hashmi, Klaus Dullenkopf, Rainer Koch, Hans-Jo¨rg Bauer

GT 2010; 1283-1291doi:https://doi.org/10.1115/GT2010-23532

Abstract

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Topics: Computational fluid dynamics , Shear (Mechanics) , Flow (Dynamics) , Multiphase flow , Aircraft engines , Bearings , Boundary-value problems , Combustion chambers , Drops , Ducts

Film Riding Leaf Seals for Improved Shaft Sealing

Clayton M. Grondahl, James C. Dudley

GT 2010; 1293-1300doi:https://doi.org/10.1115/GT2010-23629

Abstract

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Topics: Sealing (Process) , Rotors , Transients (Dynamics) , Clearances (Engineering) , Design , Hydrostatics , Lift (Fluid dynamics) , Pressure , Turbines , Displacement

Film Cooling

A Parametric Study on the Effect of Sister Hole Location on Active Film Cooling Flow Control

Marc J. Ely, B. A. Jubran

GT 2010; 1301-1311doi:https://doi.org/10.1115/GT2010-22060

Abstract

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Topics: Film cooling , Flow control , Adhesion , Blades , Cooling , Flow (Dynamics) , Turbulence , Vortex flow

A Preliminary Numerical Study on the Effect of High Freestream Turbulence on Anti-Vortex Film Cooling Design at High Blowing Ratio

Benson K. Hunley, Andrew C. Nix, James D. Heidmann

GT 2010; 1313-1322doi:https://doi.org/10.1115/GT2010-22077

Abstract

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Topics: Design , Film cooling , Turbulence , Vortices , Computational fluid dynamics , Density , Heat flux , NASA , Vorticity

Effects of Trenched Holes on Film Cooling of a Contoured Endwall Nozzle Vane

Giovanna Barigozzi, Giuseppe Franchini, Antonio Perdichizzi, Silvia Ravelli

GT 2010; 1323-1334doi:https://doi.org/10.1115/GT2010-22117

Abstract

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Topics: Film cooling , Nozzles , Coolants , Flow (Dynamics) , Cooling , Energy dissipation , Kinetic energy , Pressure , Probes , Turbulence

Sensitivity Analysis for Film Effectiveness on a Round Film Hole Embedded in a Trench Using Conjugate Heat Transfer Numerical Model

Cuong Q. Nguyen, Nghia V. T. Tran, Bryan C. Bernier, Son H. Ho, Jayanta S. Kapat

GT 2010; 1335-1345doi:https://doi.org/10.1115/GT2010-22120

Abstract

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Topics: Computer simulation , Film cooling , Heat transfer , Response surface methodology , Sensitivity analysis , Cooling , Design , Flow (Dynamics) , Gas turbines , Momentum

Block-Spectral Approach to Film-Cooling Modeling

L. He

GT 2010; 1347-1357doi:https://doi.org/10.1115/GT2010-22188

Abstract

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Topics: Film cooling , Modeling , Cooling , Blades , Computational fluid dynamics , Design , Flow (Dynamics) , Gas turbines , High pressure (Physics) , Turbine blades

Film Cooling Performance of Waist-Shaped Slot Holes

Cun-liang Liu, Hui-ren Zhu, Jiang-tao Bai, Du-chun Xu

GT 2010; 1359-1370doi:https://doi.org/10.1115/GT2010-22237

Abstract

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Topics: Film cooling , Heat transfer coefficients , Cooling , Vortices , Computer simulation , Flow (Dynamics) , Jets , Physics , Turbulence

CFD Predictions of Single Row Film Cooling With Inclined Holes: Influence of Hole Outlet Geometry

Habeeb Idowu Oguntade, Gordon E. Andrews, Alan Burns, Derek Ingham, Mohammed Pourkashanian

GT 2010; 1371-1385doi:https://doi.org/10.1115/GT2010-22308

Abstract

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Topics: Computational fluid dynamics , Film cooling , Geometry , Turbulence , Boundary layers , Databases , Flow (Dynamics)

Assessment of URANS and DES for Prediction of Leading Edge Film Cooling

Toshihiko Takahashi, Ken-ich Funazaki, Hamidon Bin Salleh, Eiji Sakai, Kazunori Watanabe

GT 2010; 1387-1399doi:https://doi.org/10.1115/GT2010-22325

Abstract

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Topics: Film cooling , Turbulence , Computational fluid dynamics , Simulation , Temperature , Vortices , Blades , Convection , Cooling , Durability

Estimating the Loss Associated With Film Cooling for a Turbine Stage

Chia Hui Lim, Graham Pullan, John Northall

GT 2010; 1401-1413doi:https://doi.org/10.1115/GT2010-22327

Abstract

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Topics: Film cooling , Turbines , Flow (Dynamics) , Coolants , Entropy , Computational fluid dynamics , High pressure (Physics) , Temperature

Film Cooling Performance of the Embedded Holes in Trenches With Compound Angles

Jia Li, Jing Ren, Hongde Jiang

GT 2010; 1415-1424doi:https://doi.org/10.1115/GT2010-22337

Abstract

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Topics: Film cooling , Cooling , Coolants , Reynolds-averaged Navier–Stokes equations , Airfoils , Algorithms , Flow (Dynamics) , Jets , Momentum , Pressure

Velocity Measurements Around Film Cooling Holes With Deposition

Kristian Haase, Jeffrey P. Bons

GT 2010; 1425-1436doi:https://doi.org/10.1115/GT2010-22358

Abstract

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Topics: Film cooling , Velocity measurement , Flow (Dynamics) , Coolants , Tunnels , Dimensions , Flat plates , Plates (structures) , Reynolds number , Synthetic fuels

Influence of Different Shoulder Widths on Film Cooling Characteristics on GE-E3 Blade Tip

Jin Wang, D. H. Zhang, M. Zeng, Q. W. Wang

GT 2010; 1437-1445doi:https://doi.org/10.1115/GT2010-22382

Abstract

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Topics: Blades , Film cooling , Leakage flows

Shape Optimization of a Laidback Fan-Shaped Film-Cooling Hole to Enhance Cooling Performance

Ki-Don Lee, Kwang-Yong Kim

GT 2010; 1447-1458doi:https://doi.org/10.1115/GT2010-22398

Abstract

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Topics: Cooling , Film cooling , Shape optimization , Design , Optimization , Approximation , Artificial neural networks , Computer programming , Diffusers , Modeling

Particle-Image Velocimetry Measurements of Film Cooling in an Adverse Pressure Gradient Flow

Wilhelm Jessen, Martin Konopka, Wolfgang Schro¨der

GT 2010; 1459-1470doi:https://doi.org/10.1115/GT2010-22411

Abstract

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Topics: Film cooling , Flow (Dynamics) , Particulate matter , Pressure gradient , Boundary layers , Jets , Cooling , Turbulence , Density , Fluctuations (Physics)

Aerodynamic Comparison and Validation of RANS, URANS and SAS Simulations of Flat Plate Film-Cooling

Stefan Voigt, Berthold Noll, Manfred Aigner

GT 2010; 1471-1480doi:https://doi.org/10.1115/GT2010-22475

Abstract

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Topics: Film cooling , Flat plates , Reynolds-averaged Navier–Stokes equations , Simulation

Computational Investigations on Leading Edge Film Cooling of AGTB Blade With Cylindrical and Trenched Compound Angle Holes

D. H. Zhang, M. Zeng, Q. W. Wang

GT 2010; 1481-1490doi:https://doi.org/10.1115/GT2010-22559

Abstract

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Topics: Blades , Film cooling , Heat transfer coefficients

Experimental Investigation Into Unsteady Effects on Film Cooling

Richard J. Fawcett, Andrew P. S. Wheeler, Li He, Rupert Taylor

GT 2010; 1491-1502doi:https://doi.org/10.1115/GT2010-22603

Abstract

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Topics: Film cooling , Flow (Dynamics) , Cooling , Coolants , Engines , Particulate matter , Photography , Rotation , Shear (Mechanics) , Turbines

Film Cooling Effectiveness Comparison Between Shaped- and Double Jet Film Cooling Holes in a Row Arrangement

Karsten Kusterer, Anas Elyas, Dieter Bohn, Takao Sugimoto, Ryozo Tanaka, Masahide Kazari

GT 2010; 1503-1515doi:https://doi.org/10.1115/GT2010-22604

Abstract

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Topics: Film cooling

Enhanced Film Cooling Effectiveness With New Shaped Holes

Jong S. Liu, Malak F. Malak, Luis A. Tapia, Daniel C. Crites, Dhinagaran Ramachandran, Balamurugan Srinivasan, Gopalsamy Muthiah, Jyothishkumar Venkataramanan

GT 2010; 1517-1527doi:https://doi.org/10.1115/GT2010-22774

Abstract

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Topics: Film cooling , Shapes , Cooling , Temperature , Diffusion (Physics) , Computational fluid dynamics , Gas turbines , Metals , Coatings , Coolants

Influence of Coolant Density on Turbine Blade Film-Cooling Using Pressure Sensitive Paint Technique

Diganta P. Narzary, Kuo-Chun Liu, Akhilesh P. Rallabandi, Je-Chin Han

GT 2010; 1529-1540doi:https://doi.org/10.1115/GT2010-22781

Abstract

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Topics: Coolants , Density , Film cooling , Paints , Pressure , Turbine blades , Suction , Turbulence , Blades , Gases

A Model for Cylindrical Hole Film Cooling: Part I—A Correlation for Jet-Flow With Application to Film Cooling

Tilman auf dem Kampe, Stefan Vo¨lker, Frank Zehe

GT 2010; 1541-1550doi:https://doi.org/10.1115/GT2010-22787

Abstract

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Topics: Film cooling , Jets , Flow (Dynamics) , Geometry , Computational fluid dynamics , Cooling , Density , Discrete element methods , Engines , Flat plates

A Model for Cylindrical Hole Film Cooling: Part II—Model Formulation, Implementation and Results

Tilman auf dem Kampe, Stefan Vo¨lker

GT 2010; 1551-1560doi:https://doi.org/10.1115/GT2010-22788

Abstract

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Topics: Film cooling , Computational fluid dynamics , Flow (Dynamics) , Cooling , Geometry , Momentum , Resolution (Optics) , Shapes , Simulation , Temperature

Heat Transfer Performance of Fan-Shaped Film Cooling Holes: Part I—Experimental Analysis

L. Bonanni, B. Facchini, L. Tarchi, M. Maritano, S. Traverso

GT 2010; 1561-1571doi:https://doi.org/10.1115/GT2010-22808

Abstract

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Topics: Airfoils , Coolants , Cooling , Experimental analysis , Film cooling , Flat plates , Flow (Dynamics) , Heat flux , Heat transfer , Heat transfer coefficients

Heat Transfer Performance of Fan-Shaped Film Cooling Holes: Part II—Numerical Analysis

C. Bianchini, B. Facchini, L. Mangani, M. Maritano

GT 2010; 1573-1583doi:https://doi.org/10.1115/GT2010-22809

Abstract

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Topics: Film cooling , Heat transfer , Numerical analysis , Cooling , Coolants , Flow (Dynamics) , Heat transfer coefficients , Algebra , Anisotropy , Computational fluid dynamics

Endwall Effusion Cooling System Behaviour Within a High-Pressure Turbine Cascade: Part 1—Aerodynamic Measurements

Marco Sacchi, Daniele Simoni, Marina Ubaldi, Pietro Zunino, Stefano Zecchi

GT 2010; 1585-1594doi:https://doi.org/10.1115/GT2010-22931

Abstract

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Topics: Cascades (Fluid dynamics) , Cooling systems , High pressure (Physics) , Turbines , Flow (Dynamics) , Blades , Cooling , Jets , Pressure , Aerodynamics

Endwall Effusion Cooling System Behaviour Within a High-Pressure Turbine Cascade: Part 2—Heat Transfer and Effectiveness Measurements

B. Facchini, L. Tarchi, L. Toni, S. Zecchi

GT 2010; 1595-1606doi:https://doi.org/10.1115/GT2010-22932

Abstract

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Topics: Cascades (Fluid dynamics) , Cooling systems , Heat transfer , High pressure (Physics) , Turbines , Flow (Dynamics) , Cooling , Jets , Blades , Chords (Trusses)

Film Cooling Calculations With an Iterative Conjugate Heat Transfer Approach Using Empirical Heat Transfer Coefficient Corrections

Sushant Dhiman, Savas Yavuzkurt

GT 2010; 1607-1616doi:https://doi.org/10.1115/GT2010-22958

Abstract

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Topics: Film cooling , Heat transfer , Heat transfer coefficients , Blades , Temperature , Convection , Flow (Dynamics) , Flat plates , Wall temperature , Boundary-value problems

Effects of an Axisymmetric Contoured Endwall on a Nozzle Guide Vane: Adiabatic Effectiveness Measurements

A. A. Thrift, K. A. Thole, S. Hada

GT 2010; 1617-1627doi:https://doi.org/10.1115/GT2010-22968

Abstract

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Topics: Nozzle guide vanes , Film cooling , Coolants , Cooling , Flow (Dynamics) , Leakage , Combustion chambers , Engines , Gas turbines , Reynolds number

Effects of an Axisymmetric Contoured Endwall on a Nozzle Guide Vane: Convective Heat Transfer Measurements

A. A. Thrift, K. A. Thole, S. Hada

GT 2010; 1629-1640doi:https://doi.org/10.1115/GT2010-22970

Abstract

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Topics: Convection , Nozzle guide vanes , Heat transfer , Flow (Dynamics) , Combustion chambers , Durability , Gas turbines , Leakage , Leakage flows , Suction

Computational Predictions of Heat Transfer and Film-Cooling for a Turbine Blade With Non-Axisymmetric Endwall Contouring

Stephen P. Lynch, Karen A. Thole, Atul Kohli, Christopher Lehane

GT 2010; 1641-1653doi:https://doi.org/10.1115/GT2010-22984

Abstract

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Topics: Film cooling , Heat transfer , Turbine blades , Simulation , Turbines , Turbulence , Cascades (Fluid dynamics) , Compressors , Computational fluid dynamics , Flow (Dynamics)

Evaluating the Effects of Internal Impingement Cooling on a Film Cooled Turbine Blade Leading Edge

Silvia Ravelli, Laurene Dobrowolski, David G. Bogard

GT 2010; 1655-1665doi:https://doi.org/10.1115/GT2010-23002

Abstract

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Topics: Impingement cooling , Turbine blades , Coolants , Cooling , Computer simulation , Density , Engineering simulation , Geometry , Jets , Simulation

The Experimental and Numerical Research for Linear Cascade Film Cooling With Different Hole Shapes

Yi Lu, Yinyi Hong, Zhirong Lin, Xin Yuan

GT 2010; 1667-1676doi:https://doi.org/10.1115/GT2010-23030

Abstract

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Topics: Cascades (Fluid dynamics) , Film cooling , Shapes , Pressure , Cooling , Suction , Chords (Trusses) , Coolants , Flow (Dynamics) , Heat transfer

Influence of Flow Structure on Shaped Hole Film Cooling Performance

Benoit Laveau, Reza S. Abhari

GT 2010; 1677-1689doi:https://doi.org/10.1115/GT2010-23032

Abstract

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Topics: Film cooling , Flow (Dynamics) , Coolants , Vortices , Density , Geometry , Kidney , Particulate matter , Resolution (Optics) , Turbine blades

Effect of Density Ratio on Flat Plate Film Cooling With Shaped Holes Using PSP

Lesley M. Wright, Stephen T. McClain, Michael D. Clemenson

GT 2010; 1691-1702doi:https://doi.org/10.1115/GT2010-23053

Abstract

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Topics: Density , Film cooling , Flat plates , Turbulence , Coolants , Geometry , Flow (Dynamics) , Momentum , Pressure

Effect of Freestream Turbulence Intensity on Film Cooling Jet Structure and Surface Effectiveness Using PIV and PSP

Lesley M. Wright, Stephen T. McClain, Michael D. Clemenson

GT 2010; 1703-1718doi:https://doi.org/10.1115/GT2010-23054

Abstract

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Topics: Film cooling , Turbulence , Flow (Dynamics) , Coolants , Jets , Cooling , Flat plates , Fluctuations (Physics) , Momentum , Particulate matter

Film Cooling Performance of Sharp-Edged Diffuser Holes With Lateral Inclination

Christian Heneka, Achmed Schulz, Hans-Jo¨rg Bauer, Andreas Heselhaus, Michael E. Crawford

GT 2010; 1719-1728doi:https://doi.org/10.1115/GT2010-23090

Abstract

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Topics: Diffusers , Film cooling , Coolants , Cooling , Engines , Density , Flat plates , Geometry , Reynolds number , Thermography

Film Cooling Effect of Rotor-Stator Purge Flow on Endwall Heat/Mass Transfer

M. Papa, V. Srinivasan, R. J. Goldstein

GT 2010; 1729-1738doi:https://doi.org/10.1115/GT2010-23178

Abstract

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Topics: Film cooling , Flow (Dynamics) , Heat , Mass transfer , Rotors , Stators , Blades , Suction , Coolants , Cooling

Flow Visualization Study of Passive Flow Control Features on a Film-Cooled Turbine Blade Leading Edge

Daniel R. Carroll, Paul I. King, James L. Rutledge

GT 2010; 1739-1750doi:https://doi.org/10.1115/GT2010-23179

Abstract

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Topics: Flow control , Flow visualization , Turbine blades , Coolants , Flow (Dynamics) , Geometry , Water

Heat Transfer and Effectiveness on the Film Cooled Tip and Inner Rim Surfaces of a Turbine Blade

Jun Su Park, Dong Hyun Lee, Hyung Hee Cho, Dong-Ho Rhee, Shin-Hyung Kang

GT 2010; 1751-1761doi:https://doi.org/10.1115/GT2010-23203

Abstract

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Topics: Blades , Gas turbines , Heat transfer , Turbine blades , Film cooling , Chords (Trusses) , Clearances (Engineering) , Suction , Cascades (Fluid dynamics) , Rotors

Heat Transfer and Film Cooling of Blade Tips and Endwalls

S. Naik, C. Georgakis, T. Hofer, D. Lengani

GT 2010; 1763-1775doi:https://doi.org/10.1115/GT2010-23288

Abstract

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Topics: Blades , Film cooling , Heat transfer , Dust , Pressure , Cavities , Chords (Trusses) , Coolants , Flow (Dynamics) , High pressure (Physics)

Fan Shaped and Cylindrical Holes Studied in Vane Film Cooling Test Rig

Mats Kinell, Esa Utriainen, Jonas Hyle´n, Jonas Gustavsson, Andreas Bradley, Matts Karlsson, Joakim Wren

GT 2010; 1777-1784doi:https://doi.org/10.1115/GT2010-23308

Abstract

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Topics: Film cooling , Airfoils , Heat transfer coefficients , Suction , Flow (Dynamics) , Pressure , Boundary layers , Computational fluid dynamics , Emissions , Engines

Effects of Vane/Blade Relative Positions and Showerhead Film Cooling on a Stationary Blade: Heat Transfer

Dong Hyun Lee, Dong-Ho Rhee, Kyung Min Kim, Hyung Hee Cho

GT 2010; 1785-1794doi:https://doi.org/10.1115/GT2010-23321

Abstract

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Topics: Blades , Film cooling , Heat transfer , Chords (Trusses) , Cooling , Guide vanes , Rotors , Bubbles , Flow (Dynamics) , Heat

Accuracy of Conventional Adiabatic Effectiveness and Heat Transfer Augmentation Factors in Predicting Heat Flux Into a Turbine Blade Leading Edge

Laurene D. Dobrowolski, David G. Bogard, Silvia Ravelli

GT 2010; 1795-1803doi:https://doi.org/10.1115/GT2010-23438

Abstract

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Topics: Heat flux , Heat transfer , Turbine blades , Simulation , Heat transfer coefficients , Wall temperature , Computer simulation , Density , Flux (Metallurgy) , Heat

Conjugate Heat Transfer Analysis of NASA C3X Film Cooled Vane With an Object-Oriented CFD Code

Luca Mangani, Matteo Cerutti, Massimiliano Maritano, Martin Spel

GT 2010; 1805-1814doi:https://doi.org/10.1115/GT2010-23458

Abstract

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Topics: Computational fluid dynamics , Heat transfer , NASA , Fluids , Blades , Pressure , Algorithms , Compressible flow , Cooling , Engineering simulation

Aerothermodynamics of a High-Pressure Turbine Blade With Very High Loading and Vortex Generators

Reinaldo A. Gomes, Reinhard Niehuis

GT 2010; 1815-1827doi:https://doi.org/10.1115/GT2010-23543

Abstract

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Topics: Aerodynamics , Generators , High pressure (Physics) , Turbine blades , Vortices , Film cooling , Blades , Flow separation , Flow (Dynamics) , Pressure

Trailing Edge Film Cooling of Gas Turbine Airfoils: External Cooling Performance of Various Internal Pin Fin Configurations

T. Horbach, A. Schulz, H.-J. Bauer

GT 2010; 1829-1840doi:https://doi.org/10.1115/GT2010-23578

Abstract

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Topics: Airfoils , Cooling , Film cooling , Gas turbines , Fins , Coolants , Heat transfer , Cavities , Density , Engines

A Correlation Approach to Predicting Film Cooled Turbine Vane Heat Transfer

Robert J. Boyle, Ali A. Ameri

GT 2010; 1841-1856doi:https://doi.org/10.1115/GT2010-23597

Abstract

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Topics: Heat transfer , Turbines , Film cooling , Reynolds number , Engines , Pressure , Turbine blades , Turbulence

The Role of Density Ratio and Blowing Ratio on Film Cooling in a Vane Passage

James W. Post, Sumanta Acharya

GT 2010; 1857-1867doi:https://doi.org/10.1115/GT2010-23680

Abstract

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Topics: Density , Film cooling , Coolants , Cascades (Fluid dynamics) , Cooling , Flow (Dynamics) , Temperature , Combustion , Combustion chambers , Flux (Metallurgy)

Squealer Tip Heat Transfer With Film Cooling

Sumanta Acharya, Gregory Kramer, Louis Moreaux, Chiyuki Nakamata

GT 2010; 1869-1877doi:https://doi.org/10.1115/GT2010-23688

Abstract

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Topics: Film cooling , Heat transfer , Blades , Heat transfer coefficients , Pressure , Reynolds number , Transients (Dynamics) , Arches , Boundary-value problems , Cascades (Fluid dynamics)

Overall Effectiveness for a Film Cooled Turbine Blade Leading Edge With Varying Hole Pitch

Thomas E. Dyson, Dave G. Bogard, Justin D. Piggush, Atul Kohli

GT 2010; 1879-1887doi:https://doi.org/10.1115/GT2010-23707

Abstract

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Topics: Turbine blades , Coolants , Cooling , Impingement cooling , Durability , Electrical conductivity , Engines , Flow (Dynamics) , Thermal conductivity