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Proceedings Papers

Leakage Flow Impact on Shrouded Stator Cavity Flow Topology and Associated High Speed Axial Compressor Stage Performance

Cedric Babin, Xavier Ottavy, Fabrizio Fontaneto

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A035, June 13–17, 2022

Paper No: GT2022-82868

DOI: https://doi.org/10.1115/GT2022-82868

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Topics: Cavity flows, Compressors, Leakage flows, Stators, Topology, Cavities, Design, Boundary layers, Engineering simulation, Fluid dynamics

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

Casing Treatment: Its Potential and Limitations

Sungho Yoon, Patricia Cargill

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A008, June 13–17, 2022

Paper No: GT2022-80461

DOI: https://doi.org/10.1115/GT2022-80461

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Topics: Blades, Boundary layers, Compressors, Design, Durability, Dust, Flow (Dynamics), Ice, Industrial research, Leakage flows

Proceedings Papers

Extending Highly Loaded Axial Fan Operability Range Through Novel Blade Design

Diego I. Lopez, Tiziano Ghisu, Timoleon Kipouros, Shahrokh Shahpar, Mark Wilson

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A016, June 13–17, 2022

Paper No: GT2022-81748

DOI: https://doi.org/10.1115/GT2022-81748

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Topics: Blades, Design, Momentum, Clearances (Engineering), Stability, Computer simulation, Compressors, Computation, Engineering simulation, Leakage flows

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

Loss Analysis of Cavity Leakage Flow in a Compressor Cascade

Hefang Deng, Kailong Xia, Jinfang Teng, Shaopeng Lu, Mingmin Zhu, Xiaoqing Qiang

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A028, June 13–17, 2022

Paper No: GT2022-82361

DOI: https://doi.org/10.1115/GT2022-82361

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Topics: Cascades (Fluid dynamics), Cavities, Clearances (Engineering), Compressors, Entropy, Leakage flows

Proceedings Papers

The Influence of Shrouded Stator Cavity Boundary Conditions on Performance of a 1.5-Stage Low-Speed Research Compressor

Runzhu Shao, Mingmin Zhu, Jinfang Teng, Xiaoqing Qiang

Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A018, June 13–17, 2022

Paper No: GT2022-81904

DOI: https://doi.org/10.1115/GT2022-81904

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Topics: Boundary-value problems, Cavities, Compressors, Leakage flows, Stators

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

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

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

Mixing Mechanism of Multi-Scale Flow in Tip Region of Turbine Rotor

Lin Huang, Zhengping Zou

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A018, June 13–17, 2022

Paper No: GT2022-82137

DOI: https://doi.org/10.1115/GT2022-82137

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Topics: Flow (Dynamics), Leakage flows, Rotors, Turbines

Proceedings Papers

Experimental Analysis of the Leakage Characteristics of Three Types of Annular Segmented Seals

Erwan Fourt, Mihai Arghir, Pascal Jolly, Mohamed Andasmas

Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT14A001, June 13–17, 2022

Paper No: GT2022-80195

DOI: https://doi.org/10.1115/GT2022-80195

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Topics: Experimental analysis, Leakage, Rotors, Clearances (Engineering), Friction, Leakage flows, Temperature, Texture (Materials), Torque

Proceedings Papers

Influence of Gas-To-Wall Temperature Ratio on the Leakage Flow And Cooling Performance of a Turbine Squealer Tip

Dongjie Yan, Jieling Li, Wenbo Xie, Zhaoguang Wang, Shaopeng Lu, Hongmei Jiang, Qiang Zhang

Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT13A019, June 13–17, 2022

Paper No: GT2022-83023

DOI: https://doi.org/10.1115/GT2022-83023

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Topics: Cooling, Flow (Dynamics), Heat transfer, Leakage flows, Temperature, Turbine blades, Turbines

Proceedings Papers

CFD Based Investigation of Effects of Liquid Contamination on Dry Gas Seal Performance

Abhay Patil, Aaron Rimpel, Rainer Kurz

Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T19A011, June 13–17, 2022

Paper No: GT2022-82572

DOI: https://doi.org/10.1115/GT2022-82572

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Topics: Computational fluid dynamics, Contamination, Pressure, Temperature, Flow (Dynamics), Cavities, Computer simulation, Dams, Drops, Engineering simulation

Proceedings Papers

Effects of the Ribbed-Squealer Tip on the Blade Tip Aerothermal Performance in a High Pressure Gas Turbine Cascade

Kun Du, Huarong Li, Na Hui, Yuanyuan Gao, Cunliang Liu

Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT13A008, June 13–17, 2022

Paper No: GT2022-81569

DOI: https://doi.org/10.1115/GT2022-81569

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Topics: Blades, Cascades (Fluid dynamics), Gas turbines, Heat transfer, High pressure (Physics), Leakage, Leakage flows, Heat, Stress, Cavities

Proceedings Papers

The Inter-Bristle Pressure Field in a Large-Scale Brush Seal

Joshua P. Bowen, Matthew R. Jenkins, Aaron A. Bowsher, Peter F. Crudgington, Carl M. Sangan, James A. Scobie

Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT14A009, June 13–17, 2022

Paper No: GT2022-82508

DOI: https://doi.org/10.1115/GT2022-82508

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Topics: Pressure, Leakage, Clearances (Engineering), Compacting, Pressure drop, Flow (Dynamics), Fluids, Leakage flows, Rotation, Rotors

Proceedings Papers

A Comparison of Static and Rotordynamic Characteristics for Three Types of Impeller Front Seals in a Liquid Oxygen Turbopump

Zhihong Jin, Zhigang Li, Jun Li

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, V08AT22A016, June 13–17, 2022

Paper No: GT2022-82556

DOI: https://doi.org/10.1115/GT2022-82556

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Topics: Impellers, Oxygen, Leakage, Rotors, Computational fluid dynamics, Dampers, Fluids, Stability, Stators, Stress

Proceedings Papers

Analysis of Cavity Leakage Effects on Coupled Non-Axisymmetric Endwall-Airfoil Optimization in a Low-Speed Compressor Tandem Stator

Mattia Straccia, Samuele Giannini, Volker Gümmer

Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A027, June 13–17, 2022

Paper No: GT2022-82418

DOI: https://doi.org/10.1115/GT2022-82418

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Topics: Airfoils, Cavities, Compressors, Leakage, Optimization, Stators, Flow (Dynamics), Design, Leakage flows, Geometry

Proceedings Papers

Unsteady Film Cooling Performance on the High Pressure Turbine Shroud Under Rotor-Stator Interaction for an Aero-Engine

Zihao Bao, Zhihai Kou, Bo Han, Guangchao Li

Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT12A003, June 7–11, 2021

Paper No: GT2021-58889

DOI: https://doi.org/10.1115/GT2021-58889

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Topics: Aircraft engines, Blades, Clearances (Engineering), Film cooling, High pressure (Physics), Leakage, Leakage flows, Rotors, Stators, Turbines

Proceedings Papers

Rotordynamic Characteristics of the Straight-Through Labyrinth Seal Based On the Applicability Analysis of Leakage Models Using Bulk-Flow Method

Tianhao Wang, Zhigang Li, Jun Li

Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A015, June 7–11, 2021

Paper No: GT2021-59568

DOI: https://doi.org/10.1115/GT2021-59568

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Topics: Flow (Dynamics), Leakage, Pressure, Clearances (Engineering), Sealing (Process), Damping, Excitation, Fluids, Leakage flows, Rotors

NARROW

Leakage Flow Impact on Shrouded Stator Cavity Flow Topology and Associated High Speed Axial Compressor Stage Performance

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

Casing Treatment: Its Potential and Limitations

Extending Highly Loaded Axial Fan Operability Range Through Novel Blade Design

Unsteady Structure of Compressor Tip Leakage Flows

Loss Analysis of Cavity Leakage Flow in a Compressor Cascade

The Influence of Shrouded Stator Cavity Boundary Conditions on Performance of a 1.5-Stage Low-Speed Research Compressor

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

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

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

Mixing Mechanism of Multi-Scale Flow in Tip Region of Turbine Rotor

Experimental Analysis of the Leakage Characteristics of Three Types of Annular Segmented Seals

Influence of Gas-To-Wall Temperature Ratio on the Leakage Flow And Cooling Performance of a Turbine Squealer Tip

CFD Based Investigation of Effects of Liquid Contamination on Dry Gas Seal Performance

Effects of the Ribbed-Squealer Tip on the Blade Tip Aerothermal Performance in a High Pressure Gas Turbine Cascade

The Inter-Bristle Pressure Field in a Large-Scale Brush Seal

A Comparison of Static and Rotordynamic Characteristics for Three Types of Impeller Front Seals in a Liquid Oxygen Turbopump

Analysis of Cavity Leakage Effects on Coupled Non-Axisymmetric Endwall-Airfoil Optimization in a Low-Speed Compressor Tandem Stator

Unsteady Film Cooling Performance on the High Pressure Turbine Shroud Under Rotor-Stator Interaction for an Aero-Engine

Rotordynamic Characteristics of the Straight-Through Labyrinth Seal Based On the Applicability Analysis of Leakage Models Using Bulk-Flow Method

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