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Proceedings Papers

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

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

Heat Transfer in Rotating, Trailing Edge, Converging Channels With Full and Partial Height Strip-Fins

Izzet Sahin, I-Lun Chen, Lesley M. Wright, Je-Chin Han, Hongzhou Xu, Michael Fox

Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A004, June 7–11, 2021

Paper No: GT2021-58877

DOI: https://doi.org/10.1115/GT2021-58877

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Topics: Fins, Heat transfer, Strips, Rotation, Cooling, Pressure drop, Flow (Dynamics), Heat transfer coefficients, Copper, Design

Proceedings Papers

Thermal Performance of Double-Sided, Partial Height Strip Fin Arrays in a High Aspect Ratio, Rectangular Channel

Nathaniel J. Tracy, Lesley M. Wright, Je-Chin Han

Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A019, June 7–11, 2021

Paper No: GT2021-59774

DOI: https://doi.org/10.1115/GT2021-59774

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Topics: Friction, Heat transfer, Strips

Proceedings Papers

Mechanism of Circumferential Static Pressure Oscillation in a Centrifugal Compressor With Volute

Ce Yang, Botai Su, Xin Shi, Hanzhi Zhang, Wenli Wang, Changmao Yang

Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT39A006, June 7–11, 2021

Paper No: GT2021-59051

DOI: https://doi.org/10.1115/GT2021-59051

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Topics: Compressors, Oscillations, Pressure, Diffusers, Strips, Impellers, Flow (Dynamics), Boundary-value problems, Pressure gradient, Air flow

Proceedings Papers

Investigations Into Aerodynamic Performance of Turbine Stages With Flexible Shroud Seals

Xin Yan, Yabo Wang, Kang Zhang, Xinbo Dai, Kun He

Proc. ASME. GT2020, Volume 9: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Steam Turbine, V009T23A005, September 21–25, 2020

Paper No: GT2020-14329

DOI: https://doi.org/10.1115/GT2020-14329

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Topics: Steam turbines, Turbines, Flow (Dynamics), Clearances (Engineering), Wear, Blades, Design, Finite element analysis, High pressure (Physics), Leakage

Proceedings Papers

Strip-Yield Modeling of Load-Time-Temperature Effects on Crack Growth in Engine Materials

James C. Newman, Jr., Rani Sullivan

Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT27A004, September 21–25, 2020

Paper No: GT2020-14211

DOI: https://doi.org/10.1115/GT2020-14211

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Topics: Engines, Fracture (Materials), Modeling, Stress, Strips, Temperature, Creep, Damage, Deformation, Relaxation (Physics)

Proceedings Papers

Non-Uniform Two-Phase Flow of Supercritical Carbon Dioxide Centrifugal Compressor

Wenrui Bao, Ce Yang, Li Fu, Changmao Yang, Lucheng Ji

Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T31A001, September 21–25, 2020

Paper No: GT2020-14285

DOI: https://doi.org/10.1115/GT2020-14285

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Topics: Compressors, Supercritical carbon dioxide, Two-phase flow, Impellers, Blades, Flow (Dynamics), Pressure, Carbon dioxide, Clearances (Engineering), Strips

Proceedings Papers

Effect of Tip Clearance on Rotating Stall in a Mixed-Flow Pump

Wei Li, Ramesh K. Agarwal, Ling Zhou, Enda Li, Leilei Ji

Proc. ASME. GT2019, Volume 2C: Turbomachinery, V02CT41A004, June 17–21, 2019

Paper No: GT2019-90134

DOI: https://doi.org/10.1115/GT2019-90134

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Topics: Clearances (Engineering), Flow (Dynamics), Pumps, Leakage flows, Blades, Flow separation, Internal flow, Leakage, Vortices, Computer simulation

Proceedings Papers

Prediction of Unsteady Tip Leakage Flow of a Transonic Compressor Rotor by Reynolds-Stress-Constrained Large Eddy Simulation

Yueqing Zhuang, Hui Liu

Proc. ASME. GT2018, Volume 2A: Turbomachinery, V02AT45A021, June 11–15, 2018

Paper No: GT2018-76373

DOI: https://doi.org/10.1115/GT2018-76373

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Topics: Compressors, Large eddy simulation, Leakage flows, Rotors, Stress, Flow (Dynamics), Blades, Leakage, Pressure, Resolution (Optics)

Proceedings Papers

Additive Manufacturing of Honeycombs Seal Strips

Ole Geisen, Lisa Kersting, Lukas Masseling, Jan Pascal Bogner, Johannes Henrich Schleifenbaum

Proc. ASME. GT2018, Volume 2D: Turbomachinery, V02DT46A023, June 11–15, 2018

Paper No: GT2018-77081

DOI: https://doi.org/10.1115/GT2018-77081

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Topics: Additive manufacturing, Honeycomb structures, Strips, Lasers, Manufacturing, Wall thickness, Alloys, Design, Emissions, Engineering prototypes

Proceedings Papers

Application of Simplified Parametric Model to Estimate Fan Blade-Out Response

Theodore S. Brockett, Jerzy T. Sawicki

Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT33A027, June 11–15, 2018

Paper No: GT2018-77108

DOI: https://doi.org/10.1115/GT2018-77108

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Topics: Blades, Engines, Strips, Whirls, Machining, Pressure, Degrees of freedom, Dynamic response, Friction, Momentum

Proceedings Papers

On the Design, Manufacture and Premature Failure of a Metal Mesh Thrust Bearing: How Concepts That Work on Paper, Actually Do Not

Travis A. Cable, Luis San Andrés

Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A012, June 11–15, 2018

Paper No: GT2018-75340

DOI: https://doi.org/10.1115/GT2018-75340

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Topics: Design, Failure, Metals, Thrust bearings, Bearings, Rotors, Damping, Foil bearings, Stress, Coating processes

Proceedings Papers

Evaluation of Coated Top Foil Bearings: Dry Friction, Drag Torque, and Dynamic Force Coefficients

Luis San Andrés, Wonbae Jung

Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A018, June 11–15, 2018

Paper No: GT2018-75595

DOI: https://doi.org/10.1115/GT2018-75595

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Topics: Drag (Fluid dynamics), Dry friction, Foil bearings, Torque, Bearings, Stress, Coating processes, Coatings, Rotors, Excitation

Proceedings Papers

Large-Eddy Simulation of Corner Separation in a Compressor Cascade

Byung-Young Min, Jongwook Joo, Jomar Mendoza, Jin Lee, Guoping Xia, Gorazd Medic

Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A052, June 11–15, 2018

Paper No: GT2018-77144

DOI: https://doi.org/10.1115/GT2018-77144

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Topics: Cascades (Fluid dynamics), Compressors, Corners (Structural elements), Large eddy simulation, Separation (Technology), Engineering simulation, Simulation, Boundary layers, Computation, Fluctuations (Physics)

Proceedings Papers

State-of-the-Art Cooling Technology for a Turbine Rotor Blade

Jason Town, Doug Straub, James Black, Karen Thole, Tom Shih

Proc. ASME. GT2017, Volume 5A: Heat Transfer, V05AT13A006, June 26–30, 2017

Paper No: GT2017-64728

DOI: https://doi.org/10.1115/GT2017-64728

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Topics: Blades, Cooling, Rotors, Turbines, Design, Film cooling, Chords (Trusses), Airfoils, Diffusion (Physics), Gas turbines

Proceedings Papers

The Influences of Unbalance Mass, Mesh Density, and Bearing Clearance on Unbalance Response: Measurements and Analysis on a Rigid Rotor Supported by Hybrid Bump-Metal Mesh Foil Bearings

Xueyuan Zhao, Tao Zhang, Kai Feng

Proc. ASME. GT2017, Volume 7B: Structures and Dynamics, V07BT33A005, June 26–30, 2017

Paper No: GT2017-64206

DOI: https://doi.org/10.1115/GT2017-64206

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Topics: Bearings, Clearances (Engineering), Density, Foil bearings, Metals, Rotors, Cooling, Damping, Impulse (Physics), Stability

Proceedings Papers

Multi-Fidelity Modelling of a Fully-Featured HP Turbine Stage

Giorgio Occhioni, Shahrokh Shahpar, Haidong Li

Proc. ASME. GT2017, Volume 2A: Turbomachinery, V02AT40A027, June 26–30, 2017

Paper No: GT2017-64478

DOI: https://doi.org/10.1115/GT2017-64478

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Topics: Modeling, Turbines, Film cooling, Strips, Cooling, High pressure (Physics), Nozzle guide vanes, Reynolds-averaged Navier–Stokes equations, Rotors, Simulation

Proceedings Papers

Reduction of Pressure Losses in a Linear Cascade Using Herringbone Riblets

Qiang Liu, Shan Zhong, Lin Li

Proc. ASME. GT2017, Volume 2A: Turbomachinery, V02AT39A025, June 26–30, 2017

Paper No: GT2017-63960

DOI: https://doi.org/10.1115/GT2017-63960

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Topics: Cascades (Fluid dynamics), Pressure, Blades, Strips, Cross-flow, Flow separation, Diffusers, Flow turning, Noise (Sound), Probes

Proceedings Papers

Investigation of Strip Seal Leakage With Special Focus on Seal Groove Design and Relative Displacement of Sealing Surfaces

Thomas Huber, Cyrille Bricaud, Thomas Zierer

Proc. ASME. GT2017, Volume 5B: Heat Transfer, V05BT15A024, June 26–30, 2017

Paper No: GT2017-64440

DOI: https://doi.org/10.1115/GT2017-64440

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Topics: Design, Displacement, Leakage, Sealing (Process), Strips, Gas turbines, Cooling, Engineering drawings, Geometry, Manufacturing

Proceedings Papers

The Effect of Foreign Object Damage on Compressor Blade High Cycle Fatigue Strength

Benjamin Hanschke, Thomas Klauke, Arnold Kühhorn

Proc. ASME. GT2017, Volume 7A: Structures and Dynamics, V07AT31A005, June 26–30, 2017

Paper No: GT2017-63599

DOI: https://doi.org/10.1115/GT2017-63599

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Topics: Blades, Compressors, Damage, High cycle fatigue, Fatigue strength, Aircraft engines, Design, Airfoils, Engines, Stress

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NARROW

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

Heat Transfer in Rotating, Trailing Edge, Converging Channels With Full and Partial Height Strip-Fins

Thermal Performance of Double-Sided, Partial Height Strip Fin Arrays in a High Aspect Ratio, Rectangular Channel

Mechanism of Circumferential Static Pressure Oscillation in a Centrifugal Compressor With Volute

Investigations Into Aerodynamic Performance of Turbine Stages With Flexible Shroud Seals

Strip-Yield Modeling of Load-Time-Temperature Effects on Crack Growth in Engine Materials

Non-Uniform Two-Phase Flow of Supercritical Carbon Dioxide Centrifugal Compressor

Effect of Tip Clearance on Rotating Stall in a Mixed-Flow Pump

Prediction of Unsteady Tip Leakage Flow of a Transonic Compressor Rotor by Reynolds-Stress-Constrained Large Eddy Simulation

Additive Manufacturing of Honeycombs Seal Strips

Application of Simplified Parametric Model to Estimate Fan Blade-Out Response

On the Design, Manufacture and Premature Failure of a Metal Mesh Thrust Bearing: How Concepts That Work on Paper, Actually Do Not

Evaluation of Coated Top Foil Bearings: Dry Friction, Drag Torque, and Dynamic Force Coefficients

Large-Eddy Simulation of Corner Separation in a Compressor Cascade

State-of-the-Art Cooling Technology for a Turbine Rotor Blade

The Influences of Unbalance Mass, Mesh Density, and Bearing Clearance on Unbalance Response: Measurements and Analysis on a Rigid Rotor Supported by Hybrid Bump-Metal Mesh Foil Bearings

Multi-Fidelity Modelling of a Fully-Featured HP Turbine Stage

Reduction of Pressure Losses in a Linear Cascade Using Herringbone Riblets

Investigation of Strip Seal Leakage With Special Focus on Seal Groove Design and Relative Displacement of Sealing Surfaces

The Effect of Foreign Object Damage on Compressor Blade High Cycle Fatigue Strength

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