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Journal Articles

Analysis of Ingress Into the Downstream Wheel Space of a 1.5-Stage Turbine By Full Circumference and Single Blade Passage Large-Eddy Simulations

Thomas Hösgen, Matthias Meinke, Wolfgang Schröder
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2024, 146(9): 091006.
Paper No: TURBO-23-1343
https://doi.org/10.1115/1.4065129
Published Online: April 4, 2024
View Article titled, Analysis of Ingress Into the Downstream Wheel Space of a 1.5-Stage Turbine By Full Circumference and Single Blade Passage Large-Eddy Simulations
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Topics: Blades, Flow (Dynamics), Rotors, Stators, Turbines, Wheels, Large eddy simulation, Annulus, Pressure, Sealing (Process)
Journal Articles

Windage Torque Reduction in Low-Pressure Turbine Cavities Part II: Experimental and Numerical Results

Richard W. Jackson, Zhihui Li, Loizos Christodoulou, Stephen Ambrose, Carl M. Sangan, Richard Jefferson-Loveday, Gary D. Lock, James A. Scobie
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2024, 146(6): 061005.
Paper No: TURBO-23-1214
https://doi.org/10.1115/1.4063876
Published Online: January 29, 2024
View Article titled, Windage Torque Reduction in Low-Pressure Turbine Cavities Part II: Experimental and Numerical Results
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Topics: Cavities, Flow (Dynamics), Pressure, Torque, Wheels, Annulus, Stators, Rotors, Flow control, Turbines
Journal Articles

Swirl Enhancement Effect on Turbine Rim Seal Performance

Mingeun Choi, Bonhan Goo, GeonHwan Cho, Seung Jin Song
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2024, 146(5): 051002.
Paper No: TURBO-23-1311
https://doi.org/10.1115/1.4064230
Published Online: December 21, 2023
View Article titled, Swirl Enhancement Effect on Turbine Rim Seal Performance
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Topics: Flow (Dynamics), Pressure, Sealing (Process), Turbines, Wheels, Rotors, Design, Gas turbines, Clearances (Engineering), Compressors
Journal Articles

Analysis of Single-Blade Passage and Full Circumference Large-Eddy Simulations of Turbine Rim Seal Flows

Thomas Hösgen, Matthias Meinke, Wolfgang Schröder
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2024, 146(4): 041002.
Paper No: TURBO-23-1239
https://doi.org/10.1115/1.4064086
Published Online: December 15, 2023
View Article titled, Analysis of Single-Blade Passage and Full Circumference Large-Eddy Simulations of Turbine Rim Seal Flows
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Topics: Blades, Flow (Dynamics), Rotors, Sealing (Process), Turbines, Wheels, Density, Large eddy simulation, Stators
Journal Articles

Multi-Objective Numerical Optimization of Radial Turbines

Christopher Fuhrer, Nikola Kovachev, Damian M. Vogt, Ganesh Raja Mahalingam, Stuart Mann
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2024, 146(3): 031004.
Paper No: TURBO-23-1227
https://doi.org/10.1115/1.4063929
Published Online: November 16, 2023
View Article titled, Multi-Objective Numerical Optimization of Radial Turbines
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Topics: Computational fluid dynamics, Geometry, Optimization, Turbines, Design, Wheels, Durability, Turbochargers
Journal Articles

On the Use of Pressure-Sensitive Paint to Determine the Rim Sealing Effectiveness

L. Orsini, A. Picchi, B. Facchini, A. Bonini, L. Innocenti
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2024, 146(2): 021001.
Paper No: TURBO-23-1187
https://doi.org/10.1115/1.4063754
Published Online: October 31, 2023
View Article titled, On the Use of Pressure-Sensitive Paint to Determine the Rim Sealing Effectiveness
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Topics: Cavities, Flow (Dynamics), Paints, Pressure, Rotors, Sealing (Process), Stators, Wheels
Journal Articles

Impact of the Purge Flow Density Ratio on the Rim Sealing Effectiveness in Hot Gas Ingestion Measurements

L. Orsini, A. Picchi, B. Facchini, A. Bonini, L. Innocenti
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2024, 146(2): 021002.
Paper No: TURBO-23-1188
https://doi.org/10.1115/1.4063755
Published Online: October 31, 2023
View Article titled, Impact of the Purge Flow Density Ratio on the Rim Sealing Effectiveness in Hot Gas Ingestion Measurements
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Topics: Carbon dioxide, Cavities, Density, Flow (Dynamics), Pressure, Rotors, Sealing (Process), Stators, Disks, Annulus
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
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2023, 145(8): 081004.
Paper No: TURBO-22-1117
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
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2023, 145(3): 031014.
Paper No: TURBO-22-1240
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
Publisher: ASME
Article Type: Research-Article
J. Turbomach. May 2019, 141(5): 051012.
Paper No: TURBO-18-1281
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
Publisher: ASME
Article Type: Research-Article
J. Turbomach. May 2018, 140(6): 061007.
Paper No: TURBO-17-1197
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
Publisher: ASME
Article Type: Research-Article
J. Turbomach. October 2017, 139(10): 101007.
Paper No: TURBO-17-1015
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
Publisher: ASME
Article Type: Research-Article
J. Turbomach. September 2017, 139(9): 091001.
Paper No: TURBO-16-1189
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
Publisher: ASME
Article Type: Research-Article
J. Turbomach. August 2015, 137(8): 081001.
Paper No: TURBO-14-1157
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
Publisher: ASME
Article Type: Research-Article
J. Turbomach. March 2015, 137(3): 031001.
Paper No: TURBO-14-1116
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
Publisher: ASME
Article Type: Research-Article
J. Turbomach. November 2014, 136(11): 111008.
Paper No: TURBO-14-1162
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
Publisher: ASME
Article Type: Research-Article
J. Turbomach. September 2013, 135(5): 051010.
Paper No: TURBO-12-1087
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
Publisher: ASME
Article Type: Research-Article
J. Turbomach. September 2013, 135(5): 051011.
Paper No: TURBO-12-1088
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
Publisher: ASME
Article Type: Research-Article
J. Turbomach. May 2013, 135(3): 031034.
Paper No: TURBO-12-1161
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
Publisher: ASME
Article Type: Research-Article
J. Turbomach. March 2013, 135(2): 021012.
Paper No: TURBO-11-1229
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