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Proceedings Papers

Influence of Different Flow Solvers and Off-Design Conditions on the Determination of Fan-Rotor Wakes for Broadband Noise Prediction

Robert Meier zu Ummeln, Antoine Moreau, Markus Schnoes

Proc. ASME. GT2022, Volume 5: Education; Electric Power; Fans and Blowers, V005T10A002, June 13–17, 2022

Paper No: GT2022-78406

DOI: https://doi.org/10.1115/GT2022-78406

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Topics: Design, Flow (Dynamics), Noise (Sound), Rotors, Wakes, Turbulence, Acoustics, Aircraft engines, Engines, Flow simulation

Proceedings Papers

Film Cooling Hole Shape Effects on Turbine Blade Heat Transfer – Part I: Computational Comparison to Experiment

Spencer Sperling, Louis Christensen, Randall Mathison, Hakan Aksoy, Jong Liu, Jeremy Nickol

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A002, June 13–17, 2022

Paper No: GT2022-78244

DOI: https://doi.org/10.1115/GT2022-78244

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Topics: Film cooling, Heat transfer, Shapes, Turbine blades, Blades, Cooling, Pressure, Simulation, Turbines, Computation

Proceedings Papers

Analysis of Turbomachinery Averaging Techniques

Christian Frey, Graham Ashcroft, Michael Müller, Jens Wellner

Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A039, June 13–17, 2022

Paper No: GT2022-82959

DOI: https://doi.org/10.1115/GT2022-82959

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Topics: Turbomachinery, Entropy, Turbines, Inflow, Acoustics, Engineering simulation, Film cooling, Simulation, Unsteady flow, Vorticity

Proceedings Papers

Investigations of the Unsteady Aerodynamic Characteristics for Intakes at Crosswind

Tommaso Piovesan, Zhang Wenqiang, Mehdi Vahdati, Pavlos K. Zachos

Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT33A009, June 13–17, 2022

Paper No: GT2022-82149

DOI: https://doi.org/10.1115/GT2022-82149

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Topics: Computational fluid dynamics, Ducts, Engineering simulation, Flow (Dynamics), Separation (Technology), Simulation, Stability, Steady state, Unsteady flow, Vibration

Proceedings Papers

The Effect of Partial-Load Operation on a Gas Turbine Compressor of an Advanced Combined Cycle Power Plant

Yasuharu Hagita, Hironori Miyazawa, Takashi Furusawa, Satoru Yamamoto, Koichi Yonezawa, Shuichi Umezawa, Shuichi Ohmori, Takeshi Suzuki

Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A006, June 13–17, 2022

Paper No: GT2022-80251

DOI: https://doi.org/10.1115/GT2022-80251

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Topics: Combined cycle power stations, Compressors, Gas turbines, Stress, Unsteady flow

Proceedings Papers

Free-Stream Turbulence Induced Boundary-Layer Transition in Low-Pressure Turbines

Luca De Vincentiis, Kristina Ðurović, Davide Lengani, Daniele Simoni, Jan Pralits, Dan S. Henningson, Ardeshir Hanifi

Paper No: GT2022-82103

DOI: https://doi.org/10.1115/GT2022-82103

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Topics: Boundary layers, Pressure, Turbines, Turbulence, Wakes, Blades, Fluctuations (Physics), Rotors, Turbine blades, Boundary-value problems

Proceedings Papers

Numerical Investigation of Unsteady Flow Phenomena in a Centrifugal Compressor Operating Near Surge With a Geometrically Reduced Model

Dominik Paul, Werner Eißler

Paper No: GT2022-80383

DOI: https://doi.org/10.1115/GT2022-80383

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Topics: Compressors, Surges, Unsteady flow

Proceedings Papers

High-Fidelity Simulation Study of the Unsteady Flow Effects on High-Pressure Turbine Blade Performance

John Leggett, Yaomin Zhao, Richard D. Sandberg

Paper No: GT2022-82370

DOI: https://doi.org/10.1115/GT2022-82370

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Topics: High pressure (Physics), Simulation, Turbine blades, Unsteady flow, Turbulence, Blades, Rotors, Wakes, Boundary layers, Flow (Dynamics)

Proceedings Papers

Unsteady Flow Simulations of an Axial Compressor Cascade Subjected to Free Stream Wakes

Benjamin Duda, Gregory M. Laskowski

Paper No: GT2022-78007

DOI: https://doi.org/10.1115/GT2022-78007

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Topics: Cascades (Fluid dynamics), Compressors, Reynolds-averaged Navier–Stokes equations, Simulation, Unsteady flow, Wakes

Proceedings Papers

Investigation of the Impact of Realistic Inlet Distortions on a 1.5-Stage Transonic Compressor

Jan Werner, Maximilian Karl, Silas Mütschard, Heinz-Peter Schiffer, Christoph Biela, Sebastian Robens

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A015, June 13–17, 2022

Paper No: GT2022-81678

DOI: https://doi.org/10.1115/GT2022-81678

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Topics: Compressors, Gas turbines, Inflow, Instrumentation, Intake manifolds, Measurement systems, Rotors, Bearings, Design, Flow (Dynamics)

Proceedings Papers

Unsteady Structure of Compressor Tip Leakage Flows

Joshua M. Maynard, Andrew P. S. Wheeler, James V. Taylor, Roger Wells

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A003, June 13–17, 2022

Paper No: GT2022-78371

DOI: https://doi.org/10.1115/GT2022-78371

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Topics: Compressors, Leakage flows, Flow (Dynamics), Blades, Corners (Structural elements), Engineering simulation, Simulation, Turbulence, Unsteady flow, Bubbles

Proceedings Papers

Insights Into the Unsteady Shock Boundary Layer Interaction

A. Hergt, J. Klinner, C. Willert, S. Grund, W. Steinert

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A033, June 13–17, 2022

Paper No: GT2022-82720

DOI: https://doi.org/10.1115/GT2022-82720

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Topics: Boundary layers, Shock (Mechanics), Oscillations, Blades, Flow (Dynamics), Cascades (Fluid dynamics), Compressors, Inflow, Vibration, Mach number

Proceedings Papers

Study on Unsteady Flow Characteristic in a Transonic Axial Compressor Rotor at Near Stall Condition

Ziyun Zhang, Yanhui Wu, Ziliang Li

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A032, June 13–17, 2022

Paper No: GT2022-82596

DOI: https://doi.org/10.1115/GT2022-82596

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Topics: Compressors, Leakage, Rotors, Unsteady flow, Vortices

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

Circulation Budget Analysis of the Leading-Edge Vortex in a Wells Turbine Under Steady Inflow Conditions

Kaihe Geng, Ce Yang, Xinyu He, Chenxing Hu, Hanzhi Zhang, Xin Shi

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A014, June 13–17, 2022

Paper No: GT2022-81890

DOI: https://doi.org/10.1115/GT2022-81890

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Topics: Inflow, Turbines, Vortices, Wells, Vorticity, Stall inception, Convection, Flow (Dynamics), Rotors, Shear (Mechanics)

Proceedings Papers

Computational Flow Field Assessment of the Inlet Region of Centrifugal Compressor Under Unsteady Flow Conditions Near Surge

Aakeen Parikh, Pablo Ale-Martos, Maria Esperanza Barrera-Medrano, Yoshihiro Hayashi, Ricardo Martinez-Botas

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A005, June 13–17, 2022

Paper No: GT2022-81968

DOI: https://doi.org/10.1115/GT2022-81968

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Topics: Compressors, Flow (Dynamics), Surges, Unsteady flow, Pulsatile flow, Stability, Boundary-value problems, Cycles, Dynamic response, Engines

Proceedings Papers

Unsteady Gas Dynamics of Radial Turbine Volutes Under Pressure Pulsations

Bijie Yang, Yingxian Xue, Ricardo Martinez-Botas, Mingyang Yang

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A008, June 13–17, 2022

Paper No: GT2022-82255

DOI: https://doi.org/10.1115/GT2022-82255

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Topics: Gasdynamics, Pressure, Turbines, Flow (Dynamics), Engines, Computational fluid dynamics, Pistons, Unsteady flow, Carbon dioxide, Design methodology

Proceedings Papers

Impact of Operating Conditions on Rotor/Stator Interaction of a High-Pressure Ratio Centrifugal Compressor

Fabrizio Lottini, Andrea Agnolucci, Lorenzo Pinelli, Roberto Pacciani, Lorenzo Toni, Alberto Guglielmo, Angelo Grimaldi

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A007, June 13–17, 2022

Paper No: GT2022-82108

DOI: https://doi.org/10.1115/GT2022-82108

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Topics: Compressors, High pressure (Physics), Rotors, Stators, Design, Machinery, Acoustics, Chain, Computational fluid dynamics, Engineering simulation

Proceedings Papers

An Approximate Time Domain Nonlinear Harmonic Method for Analyzing Unsteady Flows With Multiple Fundamental Modes

Dingxi Wang, Sen Zhang

Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A015, June 13–17, 2022

Paper No: GT2022-81564

DOI: https://doi.org/10.1115/GT2022-81564

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Topics: Unsteady flow, Fourier transforms, Blades, Turbomachinery

Proceedings Papers

Response of Separated Boundary Layers to Steady and Pulsated Flow Injection in Transonic Internal Flows

Hunter D. Nowak, Federico Lluesma-Rodriguez, Iman Rahbari, John P. Clark, Guillermo Paniagua

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T05A021, June 13–17, 2022

Paper No: GT2022-83152

DOI: https://doi.org/10.1115/GT2022-83152

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Topics: Boundary layers, Flow (Dynamics), Internal flow, Separation (Technology), Computational fluid dynamics, Energy generation, Flight, Flow control, Flow separation, Reynolds number

2 3 4 5

NARROW

Influence of Different Flow Solvers and Off-Design Conditions on the Determination of Fan-Rotor Wakes for Broadband Noise Prediction

Film Cooling Hole Shape Effects on Turbine Blade Heat Transfer – Part I: Computational Comparison to Experiment

Analysis of Turbomachinery Averaging Techniques

Investigations of the Unsteady Aerodynamic Characteristics for Intakes at Crosswind

The Effect of Partial-Load Operation on a Gas Turbine Compressor of an Advanced Combined Cycle Power Plant

Free-Stream Turbulence Induced Boundary-Layer Transition in Low-Pressure Turbines

Numerical Investigation of Unsteady Flow Phenomena in a Centrifugal Compressor Operating Near Surge With a Geometrically Reduced Model

High-Fidelity Simulation Study of the Unsteady Flow Effects on High-Pressure Turbine Blade Performance

Unsteady Flow Simulations of an Axial Compressor Cascade Subjected to Free Stream Wakes

Investigation of the Impact of Realistic Inlet Distortions on a 1.5-Stage Transonic Compressor

Unsteady Structure of Compressor Tip Leakage Flows

Insights Into the Unsteady Shock Boundary Layer Interaction

Study on Unsteady Flow Characteristic in a Transonic Axial Compressor Rotor at Near Stall Condition

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

Circulation Budget Analysis of the Leading-Edge Vortex in a Wells Turbine Under Steady Inflow Conditions

Computational Flow Field Assessment of the Inlet Region of Centrifugal Compressor Under Unsteady Flow Conditions Near Surge

Unsteady Gas Dynamics of Radial Turbine Volutes Under Pressure Pulsations

Impact of Operating Conditions on Rotor/Stator Interaction of a High-Pressure Ratio Centrifugal Compressor

An Approximate Time Domain Nonlinear Harmonic Method for Analyzing Unsteady Flows With Multiple Fundamental Modes

Response of Separated Boundary Layers to Steady and Pulsated Flow Injection in Transonic Internal Flows

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