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Proceedings Papers

A Turbo-Oriented Data-Driven Modification to the Spalart-Allmaras Turbulence Model

Xiao He, Fanzhou Zhao, Mehdi Vahdati
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A008, June 13–17, 2022
Paper No: GT2022-80456
DOI: https://doi.org/10.1115/GT2022-80456
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Topics: Turbochargers, Turbulence, Compressors, Rotors, Flow (Dynamics), Corners (Structural elements), NASA, Pressure, Pressure gradient, Separation (Technology)
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

Design of a Blowing Type Flow Treatment to Complement Casing Treatments for Compact High-Pressure Compressor Rear Stages

Christian P. Köhler, Christofer Kendall-Torry, Christian Helcig, Volker Gümmer
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A002, June 13–17, 2022
Paper No: GT2022-78311
DOI: https://doi.org/10.1115/GT2022-78311
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Topics: Compressors, Design, Flow (Dynamics), High pressure (Physics), Rotors, Stators, Corners (Structural elements), Delays, Engineering simulation, Experimental design
Proceedings Papers

The Importance of Shape in Particle Rebound Behaviors

Jacob Wilson, Rui Qiao, Matthew Kappes, James Loebig, Rory Clarkson
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT31A001, June 13–17, 2022
Paper No: GT2022-78116
DOI: https://doi.org/10.1115/GT2022-78116
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Topics: Particulate matter, Shapes, Electromagnetic scattering, Engineering simulation, Physics, Radiation scattering, Scattering (Physics), Simulation, Aircraft engines, Corners (Structural elements)
Proceedings Papers

Experiment Study of Pilot Stage Swirler Outlet Angles and Swirl Number on Flame Structures and Flow Field in a Stratified Swirl Combustor

Liang Zhang, Xin Xue, Qian Yang, Huiru Wang, Jibao Li
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A046, June 13–17, 2022
Paper No: GT2022-83221
DOI: https://doi.org/10.1115/GT2022-83221
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Topics: Combustion chambers, Flames, Flow (Dynamics), Corners (Structural elements), Emissions, Shapes, Aircraft engines, Chemiluminescence, Heat, Particulate matter
Proceedings Papers

Influence of Multiaxial Far Field Loadings on the Fatigue Crack-Growth Behaviour by Using Corner-Crack and Cruciform Specimen

F. Conrad, C. Kontermann, A. Blug, A. Bertz, D. Carl, M. Oechsner
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT24A001, June 13–17, 2022
Paper No: GT2022-79394
DOI: https://doi.org/10.1115/GT2022-79394
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Topics: Corners (Structural elements), Fatigue, Fracture (Materials)
Proceedings Papers

Quantification of the Impact of the Crack Shape Constraint Assumption Onto Predicted Remaining Useful Life

Adrian Loghin
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT24A005, June 13–17, 2022
Paper No: GT2022-80229
DOI: https://doi.org/10.1115/GT2022-80229
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Topics: Fatigue cracks, Finite element analysis, Fracture (Materials), Service life (Equipment), Shapes, Stress, Crack propagation, Errors, Modeling, Computer software
Proceedings Papers

Coupling of Endwall and Aerofoil Optimisation on a Low-Speed Compressor Tandem Stator

Mattia Straccia, Volker Gümmer
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT36A009, June 7–11, 2021
Paper No: GT2021-59058
DOI: https://doi.org/10.1115/GT2021-59058
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Topics: Airfoils, Compressors, Optimization, Stators, Flow (Dynamics), Geometry, Blades, Design, Shapes, Algorithms
Proceedings Papers

Binary Repetitive Model Predictive Active Flow Control Applied to an Annular Compressor Stator Cascade With Periodic Disturbances

Benjamin Fietzke, Rudibert King, Jan Mihalyovics, Dieter Peitsch
Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T05A003, June 7–11, 2021
Paper No: GT2021-58744
DOI: https://doi.org/10.1115/GT2021-58744
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Topics: Cascades (Fluid dynamics), Compressors, Flow control, Stators, Flow (Dynamics), Pressure, Suction, Combustion, Corners (Structural elements), Disks
Proceedings Papers

The Unsteady Topology of Corner Separations

Ivo Dawkins, James Taylor, Xavier Ottavy, Rob Miller
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A013, June 7–11, 2021
Paper No: GT2021-58730
DOI: https://doi.org/10.1115/GT2021-58730
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Topics: Corners (Structural elements), Topology, Separation (Technology), Flow (Dynamics), Blades, Annulus, Cascades (Fluid dynamics), Compressors, Convection, Design
Proceedings Papers

Numerical Investigations on Application of Cantilever Stator on Aerodynamic Performance of Tandem Bladed Axial-Flow Compressor

Bhanu Pratap Singh Tanwar, Ajey Singh, Chetan S. Mistry
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A043, June 7–11, 2021
Paper No: GT2021-60233
DOI: https://doi.org/10.1115/GT2021-60233
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Topics: Axial flow, Cantilevers, Compressors, Stators, Flow (Dynamics), Momentum, Clearances (Engineering), Corners (Structural elements), Rotors, Blades
Proceedings Papers

Effects of Rotation on the Flow Structure in a Compressor Cascade

Jordi Ventosa-Molina, Björn Koppe, Martin Lange, Ronald Mailach, Jochen Fröhlich
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A016, June 7–11, 2021
Paper No: GT2021-58793
DOI: https://doi.org/10.1115/GT2021-58793
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Topics: Cascades (Fluid dynamics), Compressors, Flow (Dynamics), Rotation, Turbulence, Coriolis force, Engineering simulation, Rotors, Simulation, Blades
Proceedings Papers

Periodic Unsteady Kinematics of Hub Flows in a Shrouded Multistage Compressor

Jaehyoung Lee, Sungkyung Lim, Hyoun-Woo Shin, Sungryong Lee, Seung Jin Song
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A005, June 7–11, 2021
Paper No: GT2021-58551
DOI: https://doi.org/10.1115/GT2021-58551
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Topics: Compressors, Corners (Structural elements), Flow (Dynamics), Kinematics, Separation (Technology), Wakes
Proceedings Papers

Non-Equilibrium Turbulence Modelling for Compressor Corner Separation Flows

Wei Sun
Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A024, June 7–11, 2021
Paper No: GT2021-59468
DOI: https://doi.org/10.1115/GT2021-59468
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Topics: Compressors, Corners (Structural elements), Equilibrium (Physics), Flow (Dynamics), Modeling, Separation (Technology), Turbulence, Boundary layers, Blades, Reynolds-averaged Navier–Stokes equations
Proceedings Papers

Heat Transfer Enhancement in a Double Sequential Impingement Channel

Michele Gaffuri, Peter Ott, Shailendra Naik, Marc Henze
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A007, June 7–11, 2021
Paper No: GT2021-58913
DOI: https://doi.org/10.1115/GT2021-58913
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Topics: Heat transfer, Pressure, Corners (Structural elements), Flow (Dynamics), Cooling, Heat transfer coefficients, Liquid crystals, Transients (Dynamics)
Proceedings Papers

Comparison of Endwall Loss Reduction Techniques in a High-Lift Turbine Passage

Christopher R. Marks, Nathan Fletcher, Rolf Sondergaard
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A017, September 21–25, 2020
Paper No: GT2020-15258
DOI: https://doi.org/10.1115/GT2020-15258
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Topics: Turbines, Flow (Dynamics), Blades, Cascades (Fluid dynamics), Design, Shapes, Corners (Structural elements), Jets, Particulate matter, Pressure
Proceedings Papers

Study on Optimization Design and Flow Control Mechanism of Little Blades in a Compressor Cascade

Zhengtao Guo, Wuli Chu, Xiangyi Chen
Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A072, September 21–25, 2020
Paper No: GT2020-16179
DOI: https://doi.org/10.1115/GT2020-16179
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Topics: Blades, Cascades (Fluid dynamics), Compressors, Corners (Structural elements), Design, Flow control, Generators, Optimization, Separation (Technology), Vortices
Proceedings Papers

The Endwall Effects of Stators With and Without Simplified Penny Gaps in a High-Loaded Multistage Compressor

Xiaochen Wang, Xiaodong Ren, Xuesong Li, Hong Wu, Chunwei Gu
Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A077, September 21–25, 2020
Paper No: GT2020-16314
DOI: https://doi.org/10.1115/GT2020-16314
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Topics: Clearances (Engineering), Compressors, Flow (Dynamics), Stators, Design, Blades, Boundary layers, Corners (Structural elements), Pressure, Separation (Technology)
Proceedings Papers

Numerical Investigations on Full Blended Blade and Endwall Technique

Tongtong Meng, Lucheng Ji, Xin Li, Jiabin Li, Zhou Ling
Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A070, September 21–25, 2020
Paper No: GT2020-16136
DOI: https://doi.org/10.1115/GT2020-16136
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Topics: Blades, Corners (Structural elements), Geometry, Boundary layers, Diffusion (Physics), Flow (Dynamics), Pressure gradient, Cascades (Fluid dynamics), Compressors, Design
Proceedings Papers

Numerical Resolution of Compressor Corner Separation Problem

Wei Sun, Zhong-Nan Wang, Liping Xu
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A013, September 21–25, 2020
Paper No: GT2020-14587
DOI: https://doi.org/10.1115/GT2020-14587
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Topics: Compressors, Corners (Structural elements), Resolution (Optics), Separation (Technology), Reynolds-averaged Navier–Stokes equations, Flow (Dynamics), Turbulence, Boundary layers, Cascades (Fluid dynamics), Computational fluid dynamics