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Proceedings Papers

Aero-Thermal Analysis of Non-Axisymmetric and Flat Endwalls Under the Operational and Geometrical Uncertainties

Zhi Tao, Jie Wang, Liming Song, Jun Li

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A039, June 13–17, 2022

Paper No: GT2022-83159

DOI: https://doi.org/10.1115/GT2022-83159

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Topics: Heat transfer, Turbines, Uncertainty, Uncertainty analysis, Flow (Dynamics), Bearings, Computational fluid dynamics, Cooling, Film cooling, Fluctuations (Physics)

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

Film Cooling Hole Shape Effects on Turbine Blade Heat Transfer – Part II: Effects of Mass Flow Rate and Unsteadiness

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

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A003, June 13–17, 2022

Paper No: GT2022-78245

DOI: https://doi.org/10.1115/GT2022-78245

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Topics: Film cooling, Flow (Dynamics), Heat transfer, Shapes, Turbine blades, Cooling, Coolants, Pressure, Turbines, Blades

Proceedings Papers

Computational and Experimental Study of Film-Cooling Effectiveness With and Without Downstream Vortex Generators

Chien-Shing Lee, Tom I-P. Shih, Douglas Straub, Justin Weber, Edward Robey

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A030, June 13–17, 2022

Paper No: GT2022-82675

DOI: https://doi.org/10.1115/GT2022-82675

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Topics: Film cooling, Generators, Vortices, Flow (Dynamics), Cooling, Heat transfer, Temperature, Computation, Flat plates, Plates (structures)

Proceedings Papers

Turbine Vane Passage Cooling Experiments With a Close-Coupled Combustor-Turbine Interface Geometry Part 1: Describing the Flow

Kedar P. Nawathe, Aaditya R. Nath, Yong W. Kim, Terrence W. Simon

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A008, June 13–17, 2022

Paper No: GT2022-80225

DOI: https://doi.org/10.1115/GT2022-80225

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Topics: Combustion chambers, Cooling, Flow (Dynamics), Geometry, Turbines, Vortices

Proceedings Papers

The Cooling Effect of Combustor Exit Louver Scheme on a Transonic Nozzle Guide Vane Endwall

Shuo Mao, Daniel Van Hout, Kaiyuan Zhang, Wing F. Ng, Hongzhou Xu, Michael Fox

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT11A007, June 13–17, 2022

Paper No: GT2022-82800

DOI: https://doi.org/10.1115/GT2022-82800

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Topics: Combustion chambers, Cooling, Nozzle guide vanes, Coolants, Cavities, Computational fluid dynamics, Cooling systems, Design, Engines, Flow (Dynamics)

Proceedings Papers

Turbine Vane Passage Experiments Documenting Evolution of Secondary Flows With Changes in Combustor Coolant Injection Flowrates

Kedar P. Nawathe, Yong W. Kim, Terrence W. Simon

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT11A006, June 13–17, 2022

Paper No: GT2022-82697

DOI: https://doi.org/10.1115/GT2022-82697

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Topics: Combustion chambers, Coolants, Flow (Dynamics), Turbines, Vortices

Proceedings Papers

Turbine Vane Passage Cooling Experiments With a Close-Coupled Combustor-Turbine Interface Geometry Part 2: Describing the Coolant Coverage

Kedar P. Nawathe, Aaditya R. Nath, Yong W. Kim, Terrence W. Simon

Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A023, June 13–17, 2022

Paper No: GT2022-82203

DOI: https://doi.org/10.1115/GT2022-82203

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Topics: Combustion chambers, Coolants, Cooling, Flow (Dynamics), Geometry, Turbines, Vortices

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

Turbulence Characteristic and Loss of Transonic Turbine Tip Leakage Vortex With Endwall Motion Effect

Kai Zhou, Chao Zhou

Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A033, June 13–17, 2022

Paper No: GT2022-83497

DOI: https://doi.org/10.1115/GT2022-83497

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Topics: Delay differential equations, Leakage, Reynolds-averaged Navier–Stokes equations, Turbines, Turbulence, Vortices

Proceedings Papers

On the Mode Characteristics of Rotating Instability With Different Tip Clearances

Zeyuan Yang, Lele Ming, Si Wu, Yadong Wu, Jie Tian, Hua Ouyang

Paper No: GT2022-82072

DOI: https://doi.org/10.1115/GT2022-82072

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Topics: Blades, Clearances (Engineering), Compressors, Design, Ducts, Flow (Dynamics), Noise (Sound), Pressure, Rotors, Shear (Mechanics)

Proceedings Papers

Design Optimization of Blade Tip in Subsonic and Transonic Turbine Stages - Part II: Flow Physics and Augmented Aerothermal Integral Objective Function

Penghao Duan, Li He

Paper No: GT2022-83467

DOI: https://doi.org/10.1115/GT2022-83467

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Topics: Blades, Design, Flow (Dynamics), Optimization, Physics, Turbines, Cavities, Heat transfer, Vortices, Platform supply vessels

Proceedings Papers

Effects of the Surge Motion on the Performance of Floating Wind Turbine Considering Blade Structural Flexibility

Le Zhou, Xin Shen, Jiajia Chen, Fanfu Yin, Zhaohui Du

Proc. ASME. GT2022, Volume 11: Wind Energy, V011T38A013, June 13–17, 2022

Paper No: GT2022-82264

DOI: https://doi.org/10.1115/GT2022-82264

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Topics: Blades, Euler-Bernoulli beam theory, Floating wind turbines, Surges, Vortices, Wakes

Proceedings Papers

Flow Dynamics of a Subsonic Axial Compressor Rotor With Leaned Tandem Blades

Amit Kumar, Jerry T. John, Akshay Kumar, Hitesh Chhugani, A. M. Pradeep

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A021, June 13–17, 2022

Paper No: GT2022-82075

DOI: https://doi.org/10.1115/GT2022-82075

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Topics: Blades, Compressors, Flow (Dynamics), Leakage, Rotors, Vortices, Design, Pressure, Shapes, Diffusion (Physics)

Proceedings Papers

Numerical Investigation of Near-Tip Modifications for a Highly-Loaded Low-Speed Rotor Under the Influence of Double Leakage

Jannik Eckel, Philipp von Jeinsen, Volker Gümmer

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A023, June 13–17, 2022

Paper No: GT2022-82143

DOI: https://doi.org/10.1115/GT2022-82143

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Topics: Compressors, Flow (Dynamics), Leakage, Rotors, Vortices

Proceedings Papers

Stall Margin Improvement in a Transonic Compressor With a Casing Treatment: Flow Mechanism

Chunill Hah

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A039, June 13–17, 2022

Paper No: GT2022-83363

DOI: https://doi.org/10.1115/GT2022-83363

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Topics: Compressors, Flow (Dynamics), Leakage flows, Collisions (Physics), Design, Blades, Delays, Fluids, Large eddy simulation, Leakage

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

Numerical Investigation of Unsteady Inlet Guide Vane-Rotor Interactions in a Transonic Fan Due to Boundary Layer Ingestion

Ritangshu Giri, Mark G. Turner

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A017, June 13–17, 2022

Paper No: GT2022-81878

DOI: https://doi.org/10.1115/GT2022-81878

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Topics: Boundary layers, Rotors, Inlet guide vanes, Blades, High cycle fatigue, Pressure, Shock (Mechanics), Shock waves, Vortices, Wakes

Proceedings Papers

Simulating Stall Inception in a High-Performance Fan With Clean and Distorted Inlets

Andrew M. Bedke, Tyler Adams, Steve E. Gorrell

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A019, June 13–17, 2022

Paper No: GT2022-82031

DOI: https://doi.org/10.1115/GT2022-82031

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Topics: Stall inception, Aircraft, Vortices, Blades, Chords (Trusses), Fans, Flow (Dynamics), Shock (Mechanics), Annulus, Clearances (Engineering)

Proceedings Papers

Investigation of Tip Leakage Vortex Breakdown in a High-Speed Multistage Axial Compressor

Ryosuke Seki, Toshihiko Azuma, Junji Iwatani, Akihiro Nakaniwa, Hidetaka Okui, Takanori Shibata

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A001, June 13–17, 2022

Paper No: GT2022-77977

DOI: https://doi.org/10.1115/GT2022-77977

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Topics: Compressors, Gas turbines, Leakage, Surges, Vortices

NARROW

Aero-Thermal Analysis of Non-Axisymmetric and Flat Endwalls Under the Operational and Geometrical Uncertainties

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

Film Cooling Hole Shape Effects on Turbine Blade Heat Transfer – Part II: Effects of Mass Flow Rate and Unsteadiness

Computational and Experimental Study of Film-Cooling Effectiveness With and Without Downstream Vortex Generators

Turbine Vane Passage Cooling Experiments With a Close-Coupled Combustor-Turbine Interface Geometry Part 1: Describing the Flow

The Cooling Effect of Combustor Exit Louver Scheme on a Transonic Nozzle Guide Vane Endwall

Turbine Vane Passage Experiments Documenting Evolution of Secondary Flows With Changes in Combustor Coolant Injection Flowrates

Turbine Vane Passage Cooling Experiments With a Close-Coupled Combustor-Turbine Interface Geometry Part 2: Describing the Coolant Coverage

Investigations of the Unsteady Aerodynamic Characteristics for Intakes at Crosswind

Turbulence Characteristic and Loss of Transonic Turbine Tip Leakage Vortex With Endwall Motion Effect

On the Mode Characteristics of Rotating Instability With Different Tip Clearances

Design Optimization of Blade Tip in Subsonic and Transonic Turbine Stages - Part II: Flow Physics and Augmented Aerothermal Integral Objective Function

Effects of the Surge Motion on the Performance of Floating Wind Turbine Considering Blade Structural Flexibility

Flow Dynamics of a Subsonic Axial Compressor Rotor With Leaned Tandem Blades

Numerical Investigation of Near-Tip Modifications for a Highly-Loaded Low-Speed Rotor Under the Influence of Double Leakage

Stall Margin Improvement in a Transonic Compressor With a Casing Treatment: Flow Mechanism

Unsteady Structure of Compressor Tip Leakage Flows

Numerical Investigation of Unsteady Inlet Guide Vane-Rotor Interactions in a Transonic Fan Due to Boundary Layer Ingestion

Simulating Stall Inception in a High-Performance Fan With Clean and Distorted Inlets

Investigation of Tip Leakage Vortex Breakdown in a High-Speed Multistage Axial Compressor

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