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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76231
https://doi.org/10.1115/GT2018-76231
View Paper titled, Characterization and Impact of Secondary Flows in a Discrete Passage Centrifugal Compressor Diffuser
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Topics: Compressors, Diffusers, Flow (Dynamics), Vortices, Separation (Technology), Pressure, Boundary layers, Suction, Computation, Flow separation
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63471
https://doi.org/10.1115/GT2017-63471
View Paper titled, Loss Generation in Transonic Turbine Blading
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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
Proceedings Papers

Experimental and Analytical Assessment of Cavity Modes in a Gas Turbine Wheelspace

Rachel A. Berg, C. S. Tan, Zhongman Ding, Gregory Laskowski, Pepe Palafox, Rinaldo Miorini
Proc. ASME. GT2017, Volume 5B: Heat Transfer, V05BT15A013, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63734
https://doi.org/10.1115/GT2017-63734
View Paper titled, Experimental and Analytical Assessment of Cavity Modes in a Gas Turbine Wheelspace
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Topics: Cavities, Gas turbines, Flow (Dynamics), Pressure, Oscillations, Turbines, Design, High pressure (Physics), Resonance
Proceedings Papers

Analysis of Fan Stage Design Attributes for Boundary Layer Ingestion

D. K. Hall, E. M. Greitzer, C. S. Tan
Proc. ASME. GT2016, Volume 2A: Turbomachinery, V02AT37A047, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57808
https://doi.org/10.1115/GT2016-57808
View Paper titled, Analysis of Fan Stage Design Attributes for Boundary Layer Ingestion
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Topics: Boundary layers, Design, Flow (Dynamics), Rotors, Stators, Blades, Turbomachinery, Energy resources, Geometry, Momentum
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57727
https://doi.org/10.1115/GT2016-57727
View Paper titled, Effects of Rotor Tip Blade Loading Variation on Compressor Stage Performance
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Topics: Blades, Compressors, Rotors, Leakage flows, Flow (Dynamics), Stators, Leakage, Clearances (Engineering), Computation, Cycles
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56343
https://doi.org/10.1115/GT2016-56343
View Paper titled, Performance Metric for Turbine Stage Under Unsteady Pulsating Flow Environment
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57070
https://doi.org/10.1115/GT2016-57070
View Paper titled, Characterizing Flow Effects of Ported Shroud Casing Treatment on Centrifugal Compressor Performance
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56401
https://doi.org/10.1115/GT2016-56401
View Paper titled, Performance Characterization of Twin Scroll Turbine Stage for Vehicular Turbocharger Under Unsteady Pulsating Flow Environment
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Topics: Performance characterization, Pulsatile flow, Turbines, Turbochargers, Flow (Dynamics), Pressure, Computational fluid dynamics, Diffusers, Wheels, Acoustics
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42041
https://doi.org/10.1115/GT2015-42041
View Paper titled, Forced Response of a Centrifugal Compressor Stage due to the Impeller-Diffuser Interaction
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Topics: Compressors, Diffusers, Impellers, Blades, Disks, Airfoils, Boundary-value problems, Couplings, Manufacturing, Resonance
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-43721
https://doi.org/10.1115/GT2015-43721
View Paper titled, Effects of Shroud Asymmetry on the Turbine Tip Shroud Cavity Flow Field
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-43732
https://doi.org/10.1115/GT2015-43732
View Paper titled, Requirements and Limitations of Controlling Turbine Tip Shroud Cavity Flow Mixing With Bladelets on Rotating Shroud
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Topics: Cavity flows, Turbines, Cavities, Blades, Diffusers, Flow (Dynamics), Reynolds number
Proceedings Papers

Vorticity Modelling of Blade Wakes Behind Isolated Annular Blade-Rows: Induced Disturbances in Swirling Flows

C. S. Tan
Proc. ASME. GT1980, Volume 1B: General, V01BT02A046, March 10–13, 1980
Publisher: American Society of Mechanical Engineers
Paper No: 80-GT-140
https://doi.org/10.1115/80-GT-140
View Paper titled, Vorticity Modelling of Blade Wakes Behind Isolated Annular Blade-Rows: Induced Disturbances in Swirling Flows
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Topics: Blades, Modeling, Swirling flow, Vorticity, Wakes, Centrifugal force, Flow (Dynamics), Fluid mechanics, Pressure
Proceedings Papers

A Parametric Study of Radial Turbomachinery Blade Design in Three-Dimensional Subsonic Flow

W. S. Ghaly, C. S. Tan
Proc. ASME. GT1989, Volume 1: Turbomachinery, V001T01A050, June 4–8, 1989
Publisher: American Society of Mechanical Engineers
Paper No: 89-GT-84
https://doi.org/10.1115/89-GT-84
View Paper titled, A Parametric Study of Radial Turbomachinery Blade Design in Three-Dimensional Subsonic Flow
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Topics: Blades, Design, Subsonic flow, Turbomachinery, Pressure, Shapes, Design methodology, Flow (Dynamics), Impellers
Proceedings Papers

Similarity Analysis of Compressor Tip Clearance Flow Structure

G. T. Chen, E. M. Greitzer, C. S. Tan, F. E. Marble
Proc. ASME. GT1990, Volume 1: Turbomachinery, V001T01A049, June 11–14, 1990
Publisher: American Society of Mechanical Engineers
Paper No: 90-GT-153
https://doi.org/10.1115/90-GT-153
View Paper titled, Similarity Analysis of Compressor Tip Clearance Flow Structure
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Topics: Clearances (Engineering), Compressors, Flow (Dynamics), Cross-flow, Vortices, Pressure gradient, Trajectories (Physics), Aerodynamics, Approximation, Blades
Proceedings Papers

Aerodynamic Design of Turbomachinery Blading in Three-Dimensional Flow: An Application to Radial Inflow Turbines

Y. L. Yang, C. S. Tan, W. R. Hawthorne
Proc. ASME. GT1992, Volume 1: Turbomachinery, V001T01A041, June 1–4, 1992
Publisher: American Society of Mechanical Engineers
Paper No: 92-GT-074
https://doi.org/10.1115/92-GT-074
View Paper titled, Aerodynamic Design of Turbomachinery Blading in Three-Dimensional Flow: An Application to Radial Inflow Turbines
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Topics: Design, Flow (Dynamics), Inflow, Turbines, Turbomachinery, Blades, Design methodology, Computation, Computational methods, Inviscid flow
Proceedings Papers

Numerical Simulation of Compressor Endwall and Casing Treatment Flow Phenomena

A. J. Crook, E. M. Greitzer, C. S. Tan, J. J. Adamczyk
Proc. ASME. GT1992, Volume 1: Turbomachinery, V001T01A107, June 1–4, 1992
Publisher: American Society of Mechanical Engineers
Paper No: 92-GT-300
https://doi.org/10.1115/92-GT-300
View Paper titled, Numerical Simulation of Compressor Endwall and Casing Treatment Flow Phenomena
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Topics: Compressors, Computer simulation, Flow (Dynamics), Fluids, Leakage flows, Blades, Computation, Pressure, Leakage, Stators
Proceedings Papers

Control of the Unsteady Flow in a Stator Blade Row Interacting With Upstream Moving Wakes

T. Valkov, C. S. Tan
Proc. ASME. GT1993, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A012, May 24–27, 1993
Publisher: American Society of Mechanical Engineers
Paper No: 93-GT-023
https://doi.org/10.1115/93-GT-023
View Paper titled, Control of the Unsteady Flow in a Stator Blade Row Interacting With Upstream Moving Wakes
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Topics: Blades, Stators, Unsteady flow, Wakes, Pressure, Suction, Vortices, Boundary layers, Fluctuations (Physics), Fluids
Proceedings Papers

Effects of Rotating Inlet Distortion on Multisage Compressor Stability

J. P. Longley, H.-W. Shin, R. E. Plumley, P. D. Silkowski, I. J. Day, E. M. Greitzer, C. S. Tan, D. C. Wisler
Proc. ASME. GT1994, Volume 1: Turbomachinery, V001T01A079, June 13–16, 1994
Publisher: American Society of Mechanical Engineers
Paper No: 94-GT-220
https://doi.org/10.1115/94-GT-220
View Paper titled, Effects of Rotating Inlet Distortion on Multisage Compressor Stability
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Topics: Compressors, Stability, Rotation, Rotors, Stall inception, Design, Engines, Fluids, Machinery, Resonance
Proceedings Papers

A Design Study of Radial Inflow Turbines With Splitter Blades in Three-Dimensional Flow

W. D. Tjokroamlnata, C. S. Tan, W. R. Hawthorne
Proc. ASME. GT1994, Volume 1: Turbomachinery, V001T01A009, June 13–16, 1994
Publisher: American Society of Mechanical Engineers
Paper No: 94-GT-036
https://doi.org/10.1115/94-GT-036
View Paper titled, A Design Study of Radial Inflow Turbines With Splitter Blades in Three-Dimensional Flow
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Topics: Blades, Design, Flow (Dynamics), Inflow, Turbines, Pressure, Engineering design processes, Geometry, Shapes, Turbomachinery
Proceedings Papers

Impact of Rotor Wakes on Steady-State Axial Compressor Performance

P. Deregel, C. S. Tan
Proc. ASME. GT1996, Volume 1: Turbomachinery, V001T01A072, June 10–13, 1996
Publisher: American Society of Mechanical Engineers
Paper No: 96-GT-253
https://doi.org/10.1115/96-GT-253
View Paper titled, Impact of Rotor Wakes on Steady-State Axial Compressor Performance
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Topics: Compressors, Rotors, Steady state, Wakes, Computer simulation, Design, Inviscid flow, Pressure, Stators, Unsteady flow