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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
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

Effects of Pure Shearing and Rigid-Body Rotation on the Evolution of Tip Leakage Vortex in an Axial Compressor Rotor

Yangwei Liu, Weibo Zhong, Yumeng Tang
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A043, June 13–17, 2022
Paper No: GT2022-83551
DOI: https://doi.org/10.1115/GT2022-83551
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Topics: Compressors, Delay differential equations, Die cutting, Leakage, Leakage flows, Rotation, Rotors, Shearing (Deformation), Vortices
Proceedings Papers

Low Reynolds Number Effects on the Endwall Flow Field in A High-Lift Turbine Passage

Molly H. Donovan, Markus P. Rumpfkeil, Christopher R. Marks, Zachary Robison, Andreas Gross
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A010, June 13–17, 2022
Paper No: GT2022-81204
DOI: https://doi.org/10.1115/GT2022-81204
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Topics: Flow (Dynamics), Reynolds number, Turbines, Pressure, Turbine blades, Vortices, Cascades (Fluid dynamics), Junctions, Large eddy simulation, Particulate matter
Proceedings Papers

Vortical Structures and Loss Mechanism of Tip Leakage Flow In Subsonic and Transonic Turbine Stages

P. H. Duan, L. He
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A032, June 13–17, 2022
Paper No: GT2022-83473
DOI: https://doi.org/10.1115/GT2022-83473
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Topics: Leakage flows, Turbines, Flow (Dynamics), Cavities, Vortices, Leakage, Platform supply vessels, Pressure, Cascades (Fluid dynamics), Heat transfer
Proceedings Papers

Influence of Purge Flow Injection on the Performance of an Axial Turbine With Three-Dimensional Airfoils and Non-Axisymmetric Endwall Contouring

Lukas Schäflein, Johannes Janssen, Henri Brandies, Peter Jeschke, Stephan Behre
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A001, June 13–17, 2022
Paper No: GT2022-78057
DOI: https://doi.org/10.1115/GT2022-78057
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Topics: Airfoils, Flow (Dynamics), Turbines, Probes, Stators, Cavities, Computer simulation, Engineering simulation, Optimization, Reynolds-averaged Navier–Stokes equations
Proceedings Papers

Investigation of the Interaction Between Tip Leakage and Main Annulus Flow in the Large Scale Turbine Rig: Comparison of Different Rotor Tip Geometries

Dominik Ade, Johannes Eitenmüller, Sebastian Leichtfuß, Heinz-Peter Schiffer, Christoph Lyko, Gregor Schmid
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A008, June 13–17, 2022
Paper No: GT2022-80896
DOI: https://doi.org/10.1115/GT2022-80896
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Topics: Annulus, Flow (Dynamics), Leakage, Rotors, Turbines, Blades, Leakage flows, Vortices, Cavities, Design
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

Improving the Aerodynamic Performance of a High-Loading Turbine Blade by End-Wall Surface Structures

Yueyun Xi, Shaopeng Lu, Hongmei Jiang, Qiang Zhang
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A024, June 13–17, 2022
Paper No: GT2022-82460
DOI: https://doi.org/10.1115/GT2022-82460
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Topics: Flow control, Turbine blades, Flow (Dynamics), Design, Blades, Boundary-value problems, Cascades (Fluid dynamics), Computational fluid dynamics, Manufacturing, Manufacturing technology
Proceedings Papers

Aerothermal Performance of Axially Varying Winglet-Squealer Blade Tips

Anmol Garg, Nagabhushana Rao Vadlamani, Balaji Srinivasan
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A030, June 13–17, 2022
Paper No: GT2022-82947
DOI: https://doi.org/10.1115/GT2022-82947
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Topics: Blades, Design, Pressure, Cavities, Accounting, Dynamics (Mechanics), Flow (Dynamics), Fluid dynamics, Heat, High pressure (Physics)
Proceedings Papers

Vortex Unsteadiness in the Endwall Region of a High-Lift Low-Pressure Turbine Passage

Christopher R. Marks, Nathan Fletcher, Rolf Sondergaard
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A003, June 13–17, 2022
Paper No: GT2022-79335
DOI: https://doi.org/10.1115/GT2022-79335
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Topics: Pressure, Turbines, Vortices, Flow (Dynamics), Junctions, Blades, Cascades (Fluid dynamics), Fluctuations (Physics), Suction, Heat transfer
Proceedings Papers

The Interaction of Main Stream Flow and Cavity Flows in Turbine Center Frames and Turbine Vane Frames

Filippo Merli, Asim Hafizovic, Nicolas Krajnc, Malte Schien, Andreas Peters, Franz Heitmeir, Emil Göttlich
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT33A012, June 13–17, 2022
Paper No: GT2022-82458
DOI: https://doi.org/10.1115/GT2022-82458
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Topics: Cavity flows, Flow (Dynamics), Turbines, Ducts, Engines, Boundary layers, Cavities, Probes, Rotors, Struts (Engineering)
Proceedings Papers

Unsteady Analysis of Aeroengine Intake Distortion Mechanisms: Vortex Dynamics in Crosswind Conditions

Anirudh Narayan Rao, Prathiban Sureshkumar, Sina Stapelfeldt, Bharat Lad, Kuen-Bae Lee, Ricardo Puente Rico
Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T01A016, June 13–17, 2022
Paper No: GT2022-81805
DOI: https://doi.org/10.1115/GT2022-81805
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Topics: Dynamics (Mechanics), Vortices, Aircraft engines, Computer simulation, Excitation, Trajectories (Physics)
Proceedings Papers

Research on Acoustic Resonance Characteristics of Flat Plate Cascades Based on Acoustic Analogy

Feng Tong Zhao, Bo Cui, Mingsui Yang, Yun Dong Sha
Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T01A019, June 13–17, 2022
Paper No: GT2022-81955
DOI: https://doi.org/10.1115/GT2022-81955
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Topics: Acoustics, Flat plates, Large eddy simulation, Resonance, Vortices