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Journal Articles

A Framework for Estimating Effects of Combustor Turbulence on Turbine Profile Loss Generation

Kanika Gakhar, Masha Folk, Edward M. Greitzer, Choon S. Tan

J. Turbomach. March 2023, 145(3): 031018.

Paper No: TURBO-22-1247

DOI: https://doi.org/10.1115/1.4056407

Published Online: January 6, 2023

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Topics: Combustion chambers, Turbulence, Turbines, Free stream turbulence, Boundary layers, Energy dissipation

Proceedings Papers

A Framework for Estimating Effects of Combustor Turbulence on Turbine Profile Loss Generation

Kanika Gakhar, Masha Folk, Edward M. Greitzer, Choon S. Tan

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A006, June 13–17, 2022

Paper No: GT2022-80607

DOI: https://doi.org/10.1115/GT2022-80607

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Topics: Combustion chambers, Turbines, Turbulence, High pressure (Physics), Energy dissipation, Aircraft engines, Boundary layer turbulence, Boundary layers, Gas turbines, Gates (Closures)

Journal Articles

Characterization and Impact of Secondary Flows in a Discrete Passage Centrifugal Compressor Diffuser

David W. Erickson, Choon S. Tan, Michael Macrorie

J. Turbomach. July 2019, 141(7): 071009.

Paper No: TURBO-18-1352

DOI: https://doi.org/10.1115/1.4042646

Published Online: February 26, 2019

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Topics: Boundary layers, Compressors, Diffusers, Flow (Dynamics), Pressure, Vortices, Computational fluid dynamics, Suction, Separation (Technology), Impellers

Proceedings Papers

Characterization and Impact of Secondary Flows in a Discrete Passage Centrifugal Compressor Diffuser

David W. Erickson, Choon S. Tan, Michael Macrorie

Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT44A017, June 11–15, 2018

Paper No: GT2018-76231

DOI: https://doi.org/10.1115/GT2018-76231

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Topics: Compressors, Diffusers, Flow (Dynamics), Vortices, Separation (Technology), Pressure, Boundary layers, Suction, Computation, Flow separation

Journal Articles

Loss Generation in Transonic Turbine Blading

Penghao Duan, Choon S. Tan, Andrew Scribner, Anthony Malandra

J. Turbomach. April 2018, 140(4): 041006.

Paper No: TURBO-17-1155

DOI: https://doi.org/10.1115/1.4038689

Published Online: February 6, 2018

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Topics: Blades, Boundary layers, Flow (Dynamics), Mach number, Shock (Mechanics), Turbines, Computation

Proceedings Papers

Loss Generation in Transonic Turbine Blading

Penghao Duan, Choon S. Tan, Andrew Scribner, Anthony Malandra

Proc. ASME. GT2017, Volume 2A: Turbomachinery, V02AT40A007, June 26–30, 2017

Paper No: GT2017-63471

DOI: https://doi.org/10.1115/GT2017-63471

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Topics: Turbines, Mach number, Blades, Shock (Mechanics), Boundary layers, Reynolds-averaged Navier–Stokes equations, Flow (Dynamics), Turbine blades, Cascades (Fluid dynamics), Computation

Journal Articles

Characterizing Flow Effects of Ported Shroud Casing Treatment on Centrifugal Compressor Performance

George A. Christou, Choon S. Tan, Borislav T. Sirakov, Vai-Man Lei, Giuseppe Alescio

J. Turbomach. August 2017, 139(8): 081005.

Paper No: TURBO-16-1297

DOI: https://doi.org/10.1115/1.4035664

Published Online: March 21, 2017

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Topics: Compressors, Flow (Dynamics), Impellers, Pressure

Journal Articles

Performance Metric for Turbine Stage Under Unsteady Pulsating Flow Environment

Jinwook Lee, Choon S. Tan, Borislav T. Sirakov, Hong-Sik Im, Martin Babak, Denis Tisserant, Chris Wilkins

J. Eng. Gas Turbines Power. July 2017, 139(7): 072606.

Paper No: GTP-16-1562

DOI: https://doi.org/10.1115/1.4035630

Published Online: March 7, 2017

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Topics: Entropy, Pulsatile flow, Storage, Turbines, Turbochargers, Unsteady flow, Cycles, Approximation, Flow (Dynamics)

Journal Articles

Performance Characterization of Twin-Scroll Turbine Stage for Vehicular Turbocharger Under Unsteady Pulsating Flow Environment

Jinwook Lee, Choon S. Tan, Borislav T. Sirakov, Hong-Sik Im, Martin Babak, Denis Tisserant, Chris Wilkins

J. Eng. Gas Turbines Power. July 2017, 139(7): 072701.

Paper No: GTP-16-1561

DOI: https://doi.org/10.1115/1.4035629

Published Online: February 28, 2017

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Topics: Computational fluid dynamics, Diffusers, Flow (Dynamics), Modeling, Turbines, Wheels, Pressure, Errors, Turbochargers

Journal Articles

Effects of Rotor Tip Blade Loading Variation on Compressor Stage Performance

Aniwat Tiralap, Choon S. Tan, Eric Donahoo, Matthew Montgomery, Christian Cornelius

J. Turbomach. May 2017, 139(5): 051006.

Paper No: TURBO-16-1227

DOI: https://doi.org/10.1115/1.4035252

Published Online: January 24, 2017

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Topics: Blades, Compressors, Flow (Dynamics), Leakage flows, Rotors, Stators, Leakage, Design

Proceedings Papers

Performance Metric for Turbine Stage Under Unsteady Pulsating Flow Environment

Jinwook Lee, Choon S. Tan, Borislav T. Sirakov, Chris Wilkins, Hong-Sik Im, Martin Babak, Denis Tisserant

Proc. ASME. GT2016, Volume 2D: Turbomachinery, V02DT44A006, June 13–17, 2016

Paper No: GT2016-56343

DOI: https://doi.org/10.1115/GT2016-56343

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Topics: Pulsatile flow, Turbines, Entropy, Storage, Turbochargers, Combustion chambers, Engines, Explosions, Flow (Dynamics), Second law of thermodynamics

Proceedings Papers

Characterizing Flow Effects of Ported Shroud Casing Treatment on Centrifugal Compressor Performance

George A. Christou, Choon S. Tan, Borislav T. Sirakov, Vai-Man Lei, Giuseppe Alescio

Proc. ASME. GT2016, Volume 2D: Turbomachinery, V02DT42A026, June 13–17, 2016

Paper No: GT2016-57070

DOI: https://doi.org/10.1115/GT2016-57070

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Topics: Compressors, Flow (Dynamics), Momentum, Approximation, Boundary-value problems, Diffusion (Physics), Impellers, Leakage flows, Physics, Pressure

Proceedings Papers

Performance Characterization of Twin Scroll Turbine Stage for Vehicular Turbocharger Under Unsteady Pulsating Flow Environment

Jinwook Lee, Choon S. Tan, Borislav T. Sirakov, Chris Wilkins, Hong-Sik Im, Martin Babak, Denis Tisserant

Proc. ASME. GT2016, Volume 2D: Turbomachinery, V02DT44A009, June 13–17, 2016

Paper No: GT2016-56401

DOI: https://doi.org/10.1115/GT2016-56401

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Topics: Performance characterization, Pulsatile flow, Turbines, Turbochargers, Flow (Dynamics), Pressure, Computational fluid dynamics, Diffusers, Wheels, Acoustics

Proceedings Papers

Effects of Rotor Tip Blade Loading Variation on Compressor Stage Performance

Aniwat Tiralap, Choon S. Tan, Eric Donahoo, Matthew Montgomery, Christian Cornelius

Proc. ASME. GT2016, Volume 2A: Turbomachinery, V02AT37A045, June 13–17, 2016

Paper No: GT2016-57727

DOI: https://doi.org/10.1115/GT2016-57727

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Topics: Blades, Compressors, Rotors, Leakage flows, Flow (Dynamics), Stators, Leakage, Clearances (Engineering), Computation, Cycles

Journal Articles

Quantifying Loss Mechanisms in Turbine Tip Shroud Cavity Flows

Timothy R. Palmer, Choon S. Tan, Humberto Zuniga, David Little, Matthew Montgomery, Anthony Malandra

J. Turbomach. September 2016, 138(9): 091006.

Paper No: TURBO-15-1246

DOI: https://doi.org/10.1115/1.4032922

Published Online: April 12, 2016

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Topics: Cavities, Cavity flows, Flow (Dynamics), Rotors, Vortices, Turbines

Journal Articles

Forced Response of a Centrifugal Compressor Stage Due to the Impeller–Diffuser Interaction

Edward J. Walton, Choon S. Tan

J. Turbomach. September 2016, 138(9): 091004.

Paper No: TURBO-15-1293

DOI: https://doi.org/10.1115/1.4032838

Published Online: April 5, 2016

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Topics: Airfoils, Blades, Diffusers, Impellers, Mode shapes, Disks, Springs, Compressors, Pressure

Proceedings Papers

Effects of Shroud Asymmetry on the Turbine Tip Shroud Cavity Flow Field

Timothy R. Palmer, Choon S. Tan, Matthew Montgomery, Anthony Malandra, David Little, Humberto Zuniga, Kunyuan Zhou

Proc. ASME. GT2015, Volume 2A: Turbomachinery, V02AT38A036, June 15–19, 2015

Paper No: GT2015-43721

DOI: https://doi.org/10.1115/GT2015-43721

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Topics: Cavity flows, Turbines, Cavities, Flow (Dynamics), Vortices, Computation, Rotors, Vorticity

Proceedings Papers

Requirements and Limitations of Controlling Turbine Tip Shroud Cavity Flow Mixing With Bladelets on Rotating Shroud

Timothy R. Palmer, Choon S. Tan, Matthew Montgomery, Anthony Malandra, David Little, Humberto Zuniga, Kunyuan Zhou

Proc. ASME. GT2015, Volume 2A: Turbomachinery, V02AT38A037, June 15–19, 2015

Paper No: GT2015-43732

DOI: https://doi.org/10.1115/GT2015-43732

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Topics: Cavity flows, Turbines, Cavities, Blades, Diffusers, Flow (Dynamics), Reynolds number

Proceedings Papers

Forced Response of a Centrifugal Compressor Stage due to the Impeller-Diffuser Interaction

Edward J. Walton, Choon S. Tan

Proc. ASME. GT2015, Volume 2C: Turbomachinery, V02CT42A001, June 15–19, 2015

Paper No: GT2015-42041

DOI: https://doi.org/10.1115/GT2015-42041

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Topics: Compressors, Diffusers, Impellers, Blades, Disks, Airfoils, Boundary-value problems, Couplings, Manufacturing, Resonance

Proceedings Papers

Endwall Blockage in Axial Compressors

S. Arif Khalid, Amrit S. Khalsa, Ian A. Waitz, Choon S. Tan, Edward M. Greitzer, Nicholas A. Cumpsty, John J. Adamczyk, Frank E. Marble

Proc. ASME. GT1998, Volume 1: Turbomachinery, V001T01A047, June 2–5, 1998

Paper No: 98-GT-188

DOI: https://doi.org/10.1115/98-GT-188

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Topics: Compressors, Clearances (Engineering), Flow (Dynamics), Design, Blades, Boundary layers, Computer simulation, Pressure, Wind tunnels

Journal citation

NARROW

A Framework for Estimating Effects of Combustor Turbulence on Turbine Profile Loss Generation

A Framework for Estimating Effects of Combustor Turbulence on Turbine Profile Loss Generation

Characterization and Impact of Secondary Flows in a Discrete Passage Centrifugal Compressor Diffuser

Characterization and Impact of Secondary Flows in a Discrete Passage Centrifugal Compressor Diffuser

Loss Generation in Transonic Turbine Blading

Loss Generation in Transonic Turbine Blading

Characterizing Flow Effects of Ported Shroud Casing Treatment on Centrifugal Compressor Performance

Performance Metric for Turbine Stage Under Unsteady Pulsating Flow Environment

Performance Characterization of Twin-Scroll Turbine Stage for Vehicular Turbocharger Under Unsteady Pulsating Flow Environment

Effects of Rotor Tip Blade Loading Variation on Compressor Stage Performance

Performance Metric for Turbine Stage Under Unsteady Pulsating Flow Environment

Characterizing Flow Effects of Ported Shroud Casing Treatment on Centrifugal Compressor Performance

Performance Characterization of Twin Scroll Turbine Stage for Vehicular Turbocharger Under Unsteady Pulsating Flow Environment

Effects of Rotor Tip Blade Loading Variation on Compressor Stage Performance

Quantifying Loss Mechanisms in Turbine Tip Shroud Cavity Flows

Forced Response of a Centrifugal Compressor Stage Due to the Impeller–Diffuser Interaction

Effects of Shroud Asymmetry on the Turbine Tip Shroud Cavity Flow Field

Requirements and Limitations of Controlling Turbine Tip Shroud Cavity Flow Mixing With Bladelets on Rotating Shroud

Forced Response of a Centrifugal Compressor Stage due to the Impeller-Diffuser Interaction

Endwall Blockage in Axial Compressors

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