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Journal Articles

A Method for Predicting the Aeroelastic Response of Radial Turbomachines

David W. Fellows, Vincent Iskandar, Daniel J. Bodony, Ryan C. McGowan, Sang-Guk Kang, Aaron J. Pope, Chol-Bum M. Kweon
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. August 2023, 145(8): 081004.
Paper No: TURBO-22-1117
DOI: https://doi.org/10.1115/1.4057062
Published Online: April 3, 2023
View Article titled, A Method for Predicting the Aeroelastic Response of Radial Turbomachines
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Topics: Blades, Damping, Fluids, Flutter (Aerodynamics), High pressure (Physics), Turbines, Turbochargers, Pressure, Wheels, Turbomachinery
Journal Articles

Characterizing Flow Instabilities During Transient Events in the Turbine Rim Seal Cavity

Maria Rozman, Eric T. DeShong, Karen A. Thole, Reid A. Berdanier, Christopher Robak
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. March 2023, 145(3): 031014.
Paper No: TURBO-22-1240
DOI: https://doi.org/10.1115/1.4055748
Published Online: November 3, 2022
View Article titled, Characterizing Flow Instabilities During Transient Events in the Turbine Rim Seal Cavity
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Topics: Cavities, Flow (Dynamics), Transients (Dynamics), Temperature, Pressure, Turbines, Wheels
Journal Articles

On the Simulation and Spectral Analysis of Unsteady Turbulence and Transition Effects in a Multistage Low Pressure Turbine

Georg Geiser, Jens Wellner, Edmund Kügeler, Anton Weber, Anselm Moors
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. May 2019, 141(5): 051012.
Paper No: TURBO-18-1281
DOI: https://doi.org/10.1115/1.4041820
Published Online: January 25, 2019
View Article titled, On the Simulation and Spectral Analysis of Unsteady Turbulence and Transition Effects in a Multistage Low Pressure Turbine
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Topics: Blades, Flow (Dynamics), Flow separation, Pressure, Simulation, Turbines, Turbulence, Wheels, Fluctuations (Physics), Separation (Technology)
Journal Articles

The Effect of Manufacturing Variations on Unsteady Interaction in a Transonic Turbine

John P. Clark, Joseph A. Beck, Alex A. Kaszynski, Angela Still, Ron-Ho Ni
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. May 2018, 140(6): 061007.
Paper No: TURBO-17-1197
DOI: https://doi.org/10.1115/1.4039361
Published Online: April 30, 2018
View Article titled, The Effect of Manufacturing Variations on Unsteady Interaction in a Transonic Turbine
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Topics: Airfoils, Blades, Computational fluid dynamics, Geometry, Manufacturing, Pressure, Turbines, Shock (Mechanics), Wheels, Design
Journal Articles

Experimental and Numerical Verification of an Optimization of a Fast Rotating High-Performance Radial Compressor Impeller

M. Elfert, A. Weber, D. Wittrock, A. Peters, C. Voss, E. Nicke
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. October 2017, 139(10): 101007.
Paper No: TURBO-17-1015
DOI: https://doi.org/10.1115/1.4036357
Published Online: May 9, 2017
View Article titled, Experimental and Numerical Verification of an Optimization of a Fast Rotating High-Performance Radial Compressor Impeller
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Topics: Blades, Compressors, Design, Flow (Dynamics), Impellers, Optimization, Pressure, Computational fluid dynamics, Wheels
Journal Articles

Thermomechanical Analysis of Transient Temperatures in a Radial Turbine Wheel

Mathias Diefenthal, Piotr Łuczyński, Christian Rakut, Manfred Wirsum, Tom Heuer
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. September 2017, 139(9): 091001.
Paper No: TURBO-16-1189
DOI: https://doi.org/10.1115/1.4036104
Published Online: April 11, 2017
View Article titled, Thermomechanical Analysis of Transient Temperatures in a Radial Turbine Wheel
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Topics: Fluids, Heat transfer, Stress, Temperature, Thermal shock, Thermomechanics, Transients (Dynamics), Turbines, Wheels, Heating
Journal Articles

Unsteady Computational Fluid Dynamic Analysis of the Behavior of Guide Vane Trailing‐Edge Injection and Its Effects on Downstream Rotor Performance in a Francis Hydroturbine

Bryan J. Lewis, John M. Cimbala
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. August 2015, 137(8): 081001.
Paper No: TURBO-14-1157
DOI: https://doi.org/10.1115/1.4029427
Published Online: August 1, 2015
View Article titled, Unsteady Computational Fluid Dynamic Analysis of the Behavior of Guide Vane Trailing‐Edge Injection and Its Effects on Downstream Rotor Performance in a Francis Hydroturbine
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Topics: Blades, Computational fluid dynamics, Flow (Dynamics), Gates (Closures), Hydraulic turbines, Turbines, Simulation, Jets, Rotors, Guide vanes
Journal Articles

A Three-Dimensional Computational Study of Pulsating Flow Inside a Double Entry Turbine

Peter Newton, Ricardo Martinez-Botas, Martin Seiler
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. March 2015, 137(3): 031001.
Paper No: TURBO-14-1116
DOI: https://doi.org/10.1115/1.4028217
Published Online: September 30, 2014
View Article titled, A Three-Dimensional Computational Study of Pulsating Flow Inside a Double Entry Turbine
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Topics: Computational fluid dynamics, Cycles, Entropy, Flow (Dynamics), Pressure, Rotors, Turbines, Pulsatile flow, Wheels
Journal Articles

Performance of a Finned Turbine Rim Seal

Carl M. Sangan, James A. Scobie, J. Michael Owen, Gary D. Lock, Kok Mun Tham, Vincent P. Laurello
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. November 2014, 136(11): 111008.
Paper No: TURBO-14-1162
DOI: https://doi.org/10.1115/1.4028116
Published Online: August 26, 2014
View Article titled, Performance of a Finned Turbine Rim Seal
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Topics: Flow (Dynamics), Pressure, Sealing (Process), Turbines, Wheels, Annulus, Engines
Journal Articles

Effect of Ingestion on Temperature of Turbine Disks

Oliver J. Pountney, Carl M. Sangan, Gary D. Lock, J. Michael Owen
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. September 2013, 135(5): 051010.
Paper No: TURBO-12-1087
DOI: https://doi.org/10.1115/1.4007503
Published Online: June 26, 2013
View Article titled, Effect of Ingestion on Temperature of Turbine Disks
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Topics: Flow (Dynamics), Heat transfer, Rotors, Sealing (Process), Stators, Temperature, Wheels, Disks, Uncertainty, Fluids
Journal Articles

Experimental Measurements of Ingestion Through Turbine Rim Seals—Part III: Single and Double Seals

Carl M. Sangan, Oliver J. Pountney, James A. Scobie, Mike Wilson, J. Michael Owen, Gary D. Lock
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. September 2013, 135(5): 051011.
Paper No: TURBO-12-1088
DOI: https://doi.org/10.1115/1.4007504
Published Online: June 26, 2013
View Article titled, Experimental Measurements of Ingestion Through Turbine Rim Seals—Part III: Single and Double Seals
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Topics: Clearances (Engineering), Engines, Flow (Dynamics), Sealing (Process), Stators, Turbines, Wheels, Annulus, Pressure
Journal Articles

Forced Response Analyses of Mistuned Radial Inflow Turbines

Thomas Giersch, Peter Hönisch, Bernd Beirow, Arnold Kühhorn
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. May 2013, 135(3): 031034.
Paper No: TURBO-12-1161
DOI: https://doi.org/10.1115/1.4007512
Published Online: March 25, 2013
View Article titled, Forced Response Analyses of Mistuned Radial Inflow Turbines
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Topics: Blades, Damping, Excitation, Flow (Dynamics), Inflow, Turbines, Vibration, Resonance, Wheels
Journal Articles

Experimental Measurements of Ingestion Through Turbine Rim Seals—Part I: Externally Induced Ingress

Carl M. Sangan, Oliver J. Pountney, Kunyuan Zhou, Mike Wilson, J. Michael Owen, Gary D. Lock
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. March 2013, 135(2): 021012.
Paper No: TURBO-11-1229
DOI: https://doi.org/10.1115/1.4006609
Published Online: November 8, 2012
View Article titled, Experimental Measurements of Ingestion Through Turbine Rim Seals—Part I: Externally Induced Ingress
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Topics: Annulus, Clearances (Engineering), Engines, Flow (Dynamics), Pressure, Sealing (Process), Turbines, Wheels, Blades, Design
Journal Articles

Experimental Measurements of Ingestion Through Turbine Rim Seals—Part II: Rotationally Induced Ingress

Carl M. Sangan, Oliver J. Pountney, Kunyuan Zhou, J. Michael Owen, Mike Wilson, Gary D. Lock
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. March 2013, 135(2): 021013.
Paper No: TURBO-11-1098
DOI: https://doi.org/10.1115/1.4006586
Published Online: November 8, 2012
View Article titled, Experimental Measurements of Ingestion Through Turbine Rim Seals—Part II: Rotationally Induced Ingress
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Topics: Clearances (Engineering), Flow (Dynamics), Sealing (Process), Wheels, Turbines
Journal Articles

Statistical and Theoretical Models of Ingestion Through Turbine Rim Seals

Kunyuan Zhou, Simon N. Wood, J. Michael Owen
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. March 2013, 135(2): 021014.
Paper No: TURBO-11-1223
DOI: https://doi.org/10.1115/1.4006601
Published Online: November 1, 2012
View Article titled, Statistical and Theoretical Models of Ingestion Through Turbine Rim Seals
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Topics: Clearances (Engineering), Fittings, Flow (Dynamics), Maximum likelihood estimation, Pressure, Sealing (Process), Turbines, Wheels, Annulus, Engines
Journal Articles

Large Eddy Simulation of the Unsteady Flow in a Radial Compressor Operating Near Surge

Fredrik Hellstrom, Ephraim Gutmark, Laszlo Fuchs
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. September 2012, 134(5): 051006.
DOI: https://doi.org/10.1115/1.4003816
Published Online: May 8, 2012
View Article titled, Large Eddy Simulation of the Unsteady Flow in a Radial Compressor Operating Near Surge
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Topics: Compressors, Diffusers, Flow (Dynamics), Pressure, Wheels, Surges, Blades, Large eddy simulation, Geometry
Journal Articles

Prediction of Ingress Through Turbine Rim Seals—Part II: Combined Ingress

J. Michael Owen, Oliver Pountney, Gary Lock
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. May 2012, 134(3): 031013.
DOI: https://doi.org/10.1115/1.4003071
Published Online: July 15, 2011
View Article titled, Prediction of Ingress Through Turbine Rim Seals—Part II: Combined Ingress
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Topics: Annulus, Discharge coefficient, Engines, Flow (Dynamics), Pressure, Turbines, Sealing (Process), Clearances (Engineering), Fluids, Wheels
Journal Articles

Prediction of Ingress Through Turbine Rim Seals—Part I: Externally Induced Ingress

J. Michael Owen, Kunyuan Zhou, Oliver Pountney, Mike Wilson, Gary Lock
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. May 2012, 134(3): 031012.
DOI: https://doi.org/10.1115/1.4003070
Published Online: July 15, 2011
View Article titled, Prediction of Ingress Through Turbine Rim Seals—Part I: Externally Induced Ingress
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Topics: Annulus, Computational fluid dynamics, Flow (Dynamics), Pressure, Sealing (Process), Wheels, Clearances (Engineering), Turbines, Blades
Journal Articles

An Investigation of Turbine Wheelspace Cooling Flow Interactions With a Transonic Hot Gas Path—Part II: CFD Simulations

G. M. Laskowski, R. S. Bunker, J. C. Bailey, G. Ledezma, S. Kapetanovic, G. M. Itzel, M. A. Sullivan, T. R. Farrell
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. October 2011, 133(4): 041020.
DOI: https://doi.org/10.1115/1.4002410
Published Online: April 25, 2011
View Article titled, An Investigation of Turbine Wheelspace Cooling Flow Interactions With a Transonic Hot Gas Path—Part II: CFD Simulations
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Topics: Cavities, Computational fluid dynamics, Cooling, Cylinders, Flow (Dynamics), Polishing equipment, Pressure, Simulation, Turbines, Rotors
Journal Articles

Prediction of Ingestion Through Turbine Rim Seals—Part I: Rotationally Induced Ingress

J. Michael Owen
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. July 2011, 133(3): 031005.
DOI: https://doi.org/10.1115/1.4001177
Published Online: November 12, 2010
View Article titled, Prediction of Ingestion Through Turbine Rim Seals—Part I: Rotationally Induced Ingress
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Topics: Clearances (Engineering), Flow (Dynamics), Wheels, Turbines, Swirling flow, Annulus, Sealing (Process), Pressure