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Proceedings Papers

Influence of Porosity on Double-Walled Effusion-Cooled Systems for Gas Turbine Blades

Matthew Courtis, Peter Ireland

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A009, June 13–17, 2022

Paper No: GT2022-80377

DOI: https://doi.org/10.1115/GT2022-80377

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Topics: Blades, Gas turbines, Porosity, Cooling, Computational fluid dynamics, Convection, Coolants, Flow (Dynamics), Temperature, Fatigue

Proceedings Papers

Validation of an Analytical Model for the Acoustic Impedance Eduction of Multi-Cavity Resonant Liners by a High-Fidelity LES Approach

Simone Giaccherini, Lorenzo Pinelli, Michele Marconcini, Roberto Pacciani, Andrea Arnone

Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT33A007, June 13–17, 2022

Paper No: GT2022-81984

DOI: https://doi.org/10.1115/GT2022-81984

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Topics: Acoustics, Cavities, Resonance, Design, Emissions, Engineering simulation, Noise (Sound), Simulation, Absorption, Air traffic control

Proceedings Papers

The Pore Size Dependence of the Radiative Scattering Coefficient in Yttria-Stabilized Zirconia Films

Yao Wang, Pei-feng Hsu, Mary Helen McCay

Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T02A003, June 13–17, 2022

Paper No: GT2022-80853

DOI: https://doi.org/10.1115/GT2022-80853

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Topics: Scattering (Physics), Thermal barrier coatings, Absorption, Ceramics, Plasma spraying, Porosity, Spraying (Coating processes), Temperature, Algorithms, Aluminum

Proceedings Papers

Axial Ventilation and Blade Row Effects on Transient Natural Convective Shutdown Cooling in a Gas Turbine

Daniel D. Fahy, Peter Ireland

Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT13A014, June 13–17, 2022

Paper No: GT2022-82552

DOI: https://doi.org/10.1115/GT2022-82552

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Topics: Blades, Cooling, Gas turbines, Transients (Dynamics), Ventilation, Annulus, Flow (Dynamics), Temperature, Cycles, Compressors

Proceedings Papers

Refinement of a High Cycle Fatigue Decision-Gate Assessment for Additively Repaired Blades

Onome Scott-Emuakpor, Brian Runyon, Daniel Gillaugh, Lucas Smith, Philip Johnson

Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T17A024, June 13–17, 2022

Paper No: GT2022-83282

DOI: https://doi.org/10.1115/GT2022-83282

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Topics: Blades, Gas turbines, Gates (Closures), High cycle fatigue, Maintenance, Nondestructive evaluation, Titanium, Acceptance criteria, Lasers, Additive manufacturing

Proceedings Papers

FELTMETAL™ Abradable Turbine Seal Materials: Structure and Property Responses to Blade Rub and Oxidation

Elaine Motyka, Robert Schricker, Kelly Ceiler

Paper No: GT2022-82300

DOI: https://doi.org/10.1115/GT2022-82300

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Topics: Blades, Ductility, Fibers, Oxidation, Porosity, Sealants, Turbines

Proceedings Papers

A Non-Compact Effective Impedance Model for Can-to-Can Acoustic Communication: Analysis and Optimization of Damping Mechanisms

Jakob G. R. von Saldern, Alessandro Orchini, Jonas P. Moeck

Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A051, June 7–11, 2021

Paper No: GT2021-59321

DOI: https://doi.org/10.1115/GT2021-59321

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Topics: Acoustics, Damping, Optimization, Combustion chambers, Flow (Dynamics), Porosity, Density, Eigenvalues, Fluctuations (Physics), Modeling

Proceedings Papers

Numerical Investigation of Air-Oil Two-Phase Flow Pattern Transition in the Scavenge Line of an Aeroengine

Ghofrane Sekrani, Jean-Sebastien Dick, Sébastien Poncet, Sravankumar Nallamothu

Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T01A009, June 7–11, 2021

Paper No: GT2021-58988

DOI: https://doi.org/10.1115/GT2021-58988

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Topics: Two-phase flow, Flow (Dynamics), Modeling, Fluids, Porosity, Turbulence, Air flow, Algebra, Calibration, Compressibility

Proceedings Papers

Supersonic Aerodynamic Instability Characteristics of Bidirectional Porous Functionally Graded Panel

Shashidhar Reddy Rajidi, Abhay Gupta, Satyajit Panda

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT23A013, June 7–11, 2021

Paper No: GT2021-59346

DOI: https://doi.org/10.1115/GT2021-59346

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Topics: Advanced materials, Aerospace industry, Alloys, Buckling, Finite element model, Flutter (Aerodynamics), Functionally graded materials, Oscillations, Pistons, Porosity

Proceedings Papers

Studying the Effect of Porosity of Porous Layer Coating on the Performance of the Horizontal Tubular Falling Film Evaporator

Alaa Adel Ibrahim, Hassan Elgamal, Ahmed M. Nagib Elmekawy

Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT13A005, June 7–11, 2021

Paper No: GT2021-58921

DOI: https://doi.org/10.1115/GT2021-58921

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Topics: Coating processes, Coatings, Heat transfer, Porosity, Porous materials

Proceedings Papers

Performance of a Low Speed Axial Fan Under Distortion: An Experimental Investigation

Sumit Tambe, Ugaitz Bartolomé Oseguera, Arvind Gangoli Rao

Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A040, September 21–25, 2020

Paper No: GT2020-14956

DOI: https://doi.org/10.1115/GT2020-14956

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Topics: Aircraft, Boundary layers, Design, Engines, Flight, Flow (Dynamics), Fuels, Inflow, Microphones, Noise (Sound)

Proceedings Papers

Numerical Simulation Model of Electrothermal De-Icing Process on Composite Substrate

Xiaofeng Guo, Zhiqiang Guo, Qian Yang, Wei Dong

Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT34A017, September 21–25, 2020

Paper No: GT2020-16116

DOI: https://doi.org/10.1115/GT2020-16116

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Topics: Composite materials, Computer simulation, Deicing, Ice, Carbon reinforced plastics, Melting, Airfoils, Thermal properties, Fibers, Heat transfer

Proceedings Papers

CFD Modeling of Pulverized Coal Combustion Using Relax to Chemical Equilibrium Model With Turbulence-Chemistry Interaction

Piyush Thakre, Graham Goldin

Proc. ASME. GT2020, Volume 3: Ceramics; Coal, Biomass, Hydrogen, and Alternative Fuels, V003T03A003, September 21–25, 2020

Paper No: GT2020-14190

DOI: https://doi.org/10.1115/GT2020-14190

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Topics: Chemistry, Coal, Combustion, Computational fluid dynamics, Equilibrium (Physics), Modeling, Turbulence, Nitrogen oxides, Particulate matter, Eddies (Fluid dynamics)

Proceedings Papers

An Experimentally Validated Low Order Model of the Thermal Response of Double-Wall Effusion Cooling Systems for HP Turbine Blades

Alexander V. Murray, Peter T. Ireland, Eduardo Romero

Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A010, September 21–25, 2020

Paper No: GT2020-14603

DOI: https://doi.org/10.1115/GT2020-14603

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Topics: Boundary-value problems, Computational fluid dynamics, Cooling, Cooling systems, Design, Engineering simulation, Fluids, Gases, Geometry, Heat transfer coefficients

Proceedings Papers

Topology Optimization of High Aspect Ratio Internal Cooling Channels As a Design for Additive Manufacturing

Shinjan Ghosh, Jayanta S. Kapat

Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A030, September 21–25, 2020

Paper No: GT2020-16032

DOI: https://doi.org/10.1115/GT2020-16032

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Topics: Additive manufacturing, Cooling, Design, Optimization, Topology, Fluids, Heat transfer, Blades, Gas turbines, Porosity

Proceedings Papers

Topology Optimization of Serpentine Channels for Minimization of Pressure Loss and Maximization of Heat Transfer Performance As Applied for Additive Manufacturing

Shinjan Ghosh, Jayanta S. Kapat

Proc. ASME. GT2019, Volume 5B: Heat Transfer, V05BT21A006, June 17–21, 2019

Paper No: GT2019-91057

DOI: https://doi.org/10.1115/GT2019-91057

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Topics: Additive manufacturing, Heat transfer, Optimization, Pressure, Topology, Cooling, Blades, Gas turbines, Flow (Dynamics), Geometry

Proceedings Papers

Experimental and Numerical Analysis of Additively Manufactured Inconel 718 Coupons With Lattice Structure

Sarwesh Parbat, Zheng Min, Li Yang, Minking Chyu

Proc. ASME. GT2019, Volume 5B: Heat Transfer, V05BT21A008, June 17–21, 2019

Paper No: GT2019-91949

DOI: https://doi.org/10.1115/GT2019-91949

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Topics: Additive manufacturing, Blades, Boundary-value problems, Coolants, Cooling, Engineering simulation, Flow (Dynamics), Gas turbines, Heat transfer, Lasers

Proceedings Papers

Study of Film Cooling Effectiveness on a Double-Walled Effusion-Cooled Turbine Blade in a High-Speed Flow Using Pressure Sensitive Paint

Gladys C. Ngetich, Peter T. Ireland, Eduardo Romero

Proc. ASME. GT2019, Volume 5B: Heat Transfer, V05BT19A008, June 17–21, 2019

Paper No: GT2019-90545

DOI: https://doi.org/10.1115/GT2019-90545

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Topics: Film cooling, Flow (Dynamics), Paints, Pressure, Turbine blades, Blades, Coolants, Engines, Cascades (Fluid dynamics), Cooling

Proceedings Papers

Effect of Microporosity on Damage Initiation in Ceramic Matrix Composites

Suhasini Gururaja, Abhilash Nagaraja

Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T02A015, June 17–21, 2019

Paper No: GT2019-91908

DOI: https://doi.org/10.1115/GT2019-91908

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Topics: Ceramic matrix composites, Damage, Ceramics, Fibers, Microscale devices, Porosity, Boundary-value problems, Composite materials, Density, Gas turbines

Proceedings Papers

Governing Parameters Influencing CMAS Adhesion and Infiltration Into Environmental/Thermal Barrier Coatings in Gas Turbine Engines

Anindya Ghoshal, Michael J. Walock, Muthuvel Murugan, Clara Mock, Luis Bravo, Marc Pepi, Andy Nieto, Andrew Wright, Jian Luo, Nishan Jain, Alison Flatau, Larry Fehrenbacher

Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T02A016, June 17–21, 2019

Paper No: GT2019-92000

DOI: https://doi.org/10.1115/GT2019-92000

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Topics: Adhesion, Gas turbines, Thermal barrier coatings, Coating processes, Sands, Temperature, Aircraft, Army, Aviation, Boundary layers

NARROW

Influence of Porosity on Double-Walled Effusion-Cooled Systems for Gas Turbine Blades

Validation of an Analytical Model for the Acoustic Impedance Eduction of Multi-Cavity Resonant Liners by a High-Fidelity LES Approach

The Pore Size Dependence of the Radiative Scattering Coefficient in Yttria-Stabilized Zirconia Films

Axial Ventilation and Blade Row Effects on Transient Natural Convective Shutdown Cooling in a Gas Turbine

Refinement of a High Cycle Fatigue Decision-Gate Assessment for Additively Repaired Blades

FELTMETAL™ Abradable Turbine Seal Materials: Structure and Property Responses to Blade Rub and Oxidation

A Non-Compact Effective Impedance Model for Can-to-Can Acoustic Communication: Analysis and Optimization of Damping Mechanisms

Numerical Investigation of Air-Oil Two-Phase Flow Pattern Transition in the Scavenge Line of an Aeroengine

Supersonic Aerodynamic Instability Characteristics of Bidirectional Porous Functionally Graded Panel

Studying the Effect of Porosity of Porous Layer Coating on the Performance of the Horizontal Tubular Falling Film Evaporator

Performance of a Low Speed Axial Fan Under Distortion: An Experimental Investigation

Numerical Simulation Model of Electrothermal De-Icing Process on Composite Substrate

CFD Modeling of Pulverized Coal Combustion Using Relax to Chemical Equilibrium Model With Turbulence-Chemistry Interaction

An Experimentally Validated Low Order Model of the Thermal Response of Double-Wall Effusion Cooling Systems for HP Turbine Blades

Topology Optimization of High Aspect Ratio Internal Cooling Channels As a Design for Additive Manufacturing

Topology Optimization of Serpentine Channels for Minimization of Pressure Loss and Maximization of Heat Transfer Performance As Applied for Additive Manufacturing

Experimental and Numerical Analysis of Additively Manufactured Inconel 718 Coupons With Lattice Structure

Study of Film Cooling Effectiveness on a Double-Walled Effusion-Cooled Turbine Blade in a High-Speed Flow Using Pressure Sensitive Paint

Effect of Microporosity on Damage Initiation in Ceramic Matrix Composites

Governing Parameters Influencing CMAS Adhesion and Infiltration Into Environmental/Thermal Barrier Coatings in Gas Turbine Engines

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