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Proceedings Papers

The Influence of Boundary Layer State and Trailing Edge Wedge Angle on the Aerodynamic Performance of Transonic Turbine Blades

A. D. Rossiter, G. Pullan, A. P. Melzer
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A025, June 13–17, 2022
Paper No: GT2022-82486
DOI: https://doi.org/10.1115/GT2022-82486
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Topics: Boundary layers, Turbine blades, Wedges, Pressure, Switches, Geometry, Vortex shedding, Airfoils, Design, Flow (Dynamics)
Proceedings Papers

Modeling of Inviscid Flow Shock Formation in a Wedge-Shaped Domain Using a Physics-Informed Neural Network-Based Partial Differential Equation Solver

Ryno Laubscher, Pieter Rousseau, Chris Meyer
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A020, June 13–17, 2022
Paper No: GT2022-81768
DOI: https://doi.org/10.1115/GT2022-81768
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Topics: Artificial neural networks, Computational fluid dynamics, Inviscid flow, Modeling, Partial differential equations, Physics, Shock (Mechanics), Wedges, Architecture, Equations of state
Proceedings Papers

New Concept for Design in Turbomachinery Applications using Full RANS Gradient Methodology

Armando Del Rio, Ernesto Casartelli, Benno Fleischli, Luca Mangani
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A046, June 13–17, 2022
Paper No: GT2022-84035
DOI: https://doi.org/10.1115/GT2022-84035
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Topics: Design, Reynolds-averaged Navier–Stokes equations, Turbomachinery, Diffusers, Turbulence, Flow (Dynamics), Compressors, Computational fluid dynamics, Deformation, Impellers
Proceedings Papers

Effect of Rotation on Heat Transfer in AR = 2:1 and AR = 4:1 Channels Connected by a Series of Crossover Jets

Srivatsan Madhavan, Prashant Singh, Srinath V. Ekkad
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A014, June 7–11, 2021
Paper No: GT2021-59426
DOI: https://doi.org/10.1115/GT2021-59426
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Topics: Heat transfer, Jets, Rotation, Cooling, Fins, Flow (Dynamics), Blades, Chords (Trusses), Coolants, Gas turbines
Proceedings Papers

On the Efficiency of a Conical Under-Platform Damper for Turbines

E. Denimal, C. Wong, L. Salles, L. Pesaresi
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A012, September 21–25, 2020
Paper No: GT2020-14642
DOI: https://doi.org/10.1115/GT2020-14642
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Topics: Dampers, Turbines, Blades, Damping, Geometry, Kinematics, Wedges, Aircraft engines, Dry friction, Dynamic analysis
Proceedings Papers

Novel Approach for Optical Characterization of Thrust Collar Lubricated Area: Experimental and Numerical Results

Thomas Kerr, Adolfo Delgado
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A025, September 21–25, 2020
Paper No: GT2020-15467
DOI: https://doi.org/10.1115/GT2020-15467
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Topics: Thrust, Cavitation, Stress, Turbulence, Computational fluid dynamics, Modeling, Pressure, Algorithms, Bearings, Compressors
Proceedings Papers

Design and Flow Analysis of a Radial Outflow Turbo-Expander

Xuesong Wang, Jinju Sun, Changjiang Huo, Guilong Huo, Peng Song
Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T26A005, June 17–21, 2019
Paper No: GT2019-90346
DOI: https://doi.org/10.1115/GT2019-90346
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Topics: Design, Flow (Dynamics), Outflow, Turbochargers, Blades, Rotors, Gases, Nozzles, Shape design, Airfoils
Proceedings Papers

Measurement Drift in 3-Hole Yaw Pressure Probes From 5 Micron Sand Fouling at 1050° C

Edward J. Turner, Matthew F. Bogdan, Tyler M. O’Connell, Wing F. Ng, Kevin T. Lowe, Loren Crook, Richard Stevenson, James Roberts
Proc. ASME. GT2019, Volume 2D: Turbomachinery, V02DT47A008, June 17–21, 2019
Paper No: GT2019-90880
DOI: https://doi.org/10.1115/GT2019-90880
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Topics: Pressure, Probes, Sands, Yaw, Errors, Flow (Dynamics), Calibration, Wedges, Dust, Gas turbines
Proceedings Papers

Analysis of the Honeywell Uncertified Research Engine (HURE) With Ice Crystal Cloud Ingestion at Simulated Altitudes

Joseph P. Veres, Philip C. E. Jorgenson, Samaun Nili, Shashwath R. Bommireddy, Kenneth L. Suder
Proc. ASME. GT2019, Volume 2D: Turbomachinery, V02DT47A001, June 17–21, 2019
Paper No: GT2019-90002
DOI: https://doi.org/10.1115/GT2019-90002
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Topics: Crystals, Engines, Ice, Parallel strand lumber, Particulate matter, Stators, Temperature, Compression, Compressors, Flow (Dynamics)
Proceedings Papers

Probabilistic FE-Analysis of Cooled High Pressure Turbine Blades: Part A — Holistic Description of Manufacturing Variability

Lars Högner, Matthias Voigt, Ronald Mailach, Marcus Meyer, Ulf Gerstberger
Proc. ASME. GT2019, Volume 2D: Turbomachinery, V02DT46A011, June 17–21, 2019
Paper No: GT2019-91205
DOI: https://doi.org/10.1115/GT2019-91205
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Topics: Finite element analysis, High pressure (Physics), Manufacturing, Turbine blades, Blades, Geometry, Airfoils, Design, Computerized tomography, Cooling
Proceedings Papers

Probabilistic FE-Analysis of Cooled High Pressure Turbine Blades: Part B — Probabilistic Analysis

Lars Högner, Matthias Voigt, Ronald Mailach, Marcus Meyer, Ulf Gerstberger
Proc. ASME. GT2019, Volume 2D: Turbomachinery, V02DT46A012, June 17–21, 2019
Paper No: GT2019-91214
DOI: https://doi.org/10.1115/GT2019-91214
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Topics: Finite element analysis, High pressure (Physics), Turbine blades, Blades, Design, Robustness, Simulation, Uncertainty, Airfoils, Chain
Proceedings Papers

Development of ASTM Test Standards for the Mode I Interlaminar Fracture Toughness (G Ic --Crack Growth Resistance) of Ceramic Matrix Composites

Frank Abdi, Jalees Ahmad, Saber DorMohammadi, Cody Godines, Stephen Gonczy, Rabih Mansour, Gregory N. Morscher, Sung Choi, Jun Shi, Greg Ojard
Proc. ASME. GT2018, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T02A014, June 11–15, 2018
Paper No: GT2018-77147
DOI: https://doi.org/10.1115/GT2018-77147
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Topics: ASTM International, Ceramic matrix composites, Fracture (Materials), Fracture toughness, High temperature, Wedges, Aircraft, Alloys, Bonding, Cantilever beams
Proceedings Papers

Crack Growth Resistance of Ceramic Matrix Composites and Anisotropic Stiffness Prediction/Measurement

Cody Godines, Saber DorMohammadi, Jalees Ahmad, Rabih Mansour, Gregory N. Morscher, Sung Choi, Frank Abdi
Proc. ASME. GT2018, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T02A013, June 11–15, 2018
Paper No: GT2018-77133
DOI: https://doi.org/10.1115/GT2018-77133
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Topics: Anisotropy, Ceramic matrix composites, Fracture (Materials), Stiffness, Damage, Failure, Simulation, Temperature, Wedges, Acoustic emissions
Proceedings Papers

On the Design, Manufacture and Premature Failure of a Metal Mesh Thrust Bearing: How Concepts That Work on Paper, Actually Do Not

Travis A. Cable, Luis San Andrés
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A012, June 11–15, 2018
Paper No: GT2018-75340
DOI: https://doi.org/10.1115/GT2018-75340
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Topics: Design, Failure, Metals, Thrust bearings, Bearings, Rotors, Damping, Foil bearings, Stress, Coating processes
Proceedings Papers

Scale Adaptive Simulation of Transient Behavior in a Transonic Centrifugal Compressor With a Vaned Diffuser

Ali Zamiri, Jin Taek Chung
Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A055, June 11–15, 2018
Paper No: GT2018-77264
DOI: https://doi.org/10.1115/GT2018-77264
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Topics: Compressors, Diffusers, Simulation, Transients (Dynamics), Pressure, Turbulence, Blades, Flow (Dynamics), Impellers, Noise (Sound)
Proceedings Papers

The Effect of Upstream Ramps With Different Shapes on Film Cooling Efficiency

Daren Zheng, Xinjun Wang, Feng Zhang, Junfei Zhou, Qi Yuan
Proc. ASME. GT2017, Volume 5A: Heat Transfer, V05AT12A010, June 26–30, 2017
Paper No: GT2017-63741
DOI: https://doi.org/10.1115/GT2017-63741
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Topics: Film cooling, Shapes, Adiabatic cooling, Coolants, Pressure, Waves, Boundary layers, Density, Flow (Dynamics), Wedges
Proceedings Papers

Heat Transfer in a Rotating Rib-Roughened Wedge-Shaped U-Duct

Liang Ding, Shuqing Tian, Hongwu Deng
Proc. ASME. GT2017, Volume 5A: Heat Transfer, V05AT16A014, June 26–30, 2017
Paper No: GT2017-64508
DOI: https://doi.org/10.1115/GT2017-64508
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Topics: Ducts, Heat transfer, Wedges, Rotation, Copper, Geometry, Pressure drop, Pressure measurement, Reynolds number
Proceedings Papers

Subsynchronous Vibration Patterns Under Reduced Oil Supply Flow Rates

B. R. Nichols, R. L. Fittro, C. P. Goyne
Proc. ASME. GT2017, Volume 7B: Structures and Dynamics, V07BT33A010, June 26–30, 2017
Paper No: GT2017-65040
DOI: https://doi.org/10.1115/GT2017-65040
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Topics: Flow (Dynamics), Vibration, Bearings, Stress, Machinery, Rotors, Stability, Cavitation, Compressors, Damping
Proceedings Papers

Effect of Foil Geometry on the Static Performance of Thrust Foil Bearings

Gen Fu, Alexandrina Untaroiu, Erik Swanson
Proc. ASME. GT2017, Volume 2C: Turbomachinery, V02CT47A016, June 26–30, 2017
Paper No: GT2017-64535
DOI: https://doi.org/10.1115/GT2017-64535
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Topics: Foil bearings, Geometry, Thrust, Computational fluid dynamics, Design, Film thickness, Fluids, Friction, Rotors, Stress
Proceedings Papers

Numerical Investigation of the Inclined Leading Edge Diffuser Vane Effects on the Flow Unsteadiness and Noise Characteristics in a Transonic Centrifugal Compressor

Ali Zamiri, Byung Ju Lee, Jin Taek Chung
Proc. ASME. GT2017, Volume 2C: Turbomachinery, V02CT43A012, June 26–30, 2017
Paper No: GT2017-65117
DOI: https://doi.org/10.1115/GT2017-65117
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Topics: Compressors, Diffusers, Flow (Dynamics), Noise (Sound), Pressure, Impellers, Engineering simulation, Simulation, Blades, Fluctuations (Physics)