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Journal Articles

Windage Torque and Flow Characteristics of a Co-Rotating Conical Cavity Under Radial Inflow

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Zhe Zhang, Sipeng Wang, Xiang Luo, Zeyu Wu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2025, 147(11): 111008.
Paper No: TURBO-24-1372
https://doi.org/10.1115/1.4068553
Published Online: May 9, 2025
View Articletitled, Windage Torque and Flow Characteristics of a Co-Rotating Conical Cavity Under Radial Inflow
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Topics: Cavities, Flow (Dynamics), Torque, Inflow, Pressure, Disks
Journal Articles

Numerical Study on Unsteady Flow of a Supersonic Partial Admission Impulse Turbine

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Tongxi Li, Jiakang Wang, Zhiheng Wang, Guang Xi
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2025, 147(7): 071017.
Paper No: TURBO-24-1113
https://doi.org/10.1115/1.4067733
Published Online: February 18, 2025
View Articletitled, Numerical Study on Unsteady Flow of a Supersonic Partial Admission Impulse Turbine
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Topics: Aerodynamics, Blades, Flow (Dynamics), Fluid-dynamic forces, Nozzles, Rotors, Turbines, Impulse (Physics), Mach number, Unsteady flow
Journal Articles

Control of Shroud Leakage Loss and Windage Torque in a Low-Pressure Turbine Stage

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Loizos Christodoulou, Zhihui Li, Stephen Ambrose, Richard Jefferson-Loveday, Richard Jackson, Gary Lock, Carl Sangan, James Scobie
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2025, 147(4): 041012.
Paper No: TURBO-24-1260
https://doi.org/10.1115/1.4066816
Published Online: October 25, 2024
View Articletitled, Control of Shroud Leakage Loss and Windage Torque in a Low-Pressure Turbine Stage
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Topics: Cavities, Flow (Dynamics), Pressure, Rotors, Turbines, Flow control, Leakage, Torque, Annulus, Leakage flows
Includes: Supplementary data
Journal Articles

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

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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 Articletitled, 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

Windage Torque Reduction in Low-Pressure Turbine Cavities Part I: Concept Design and Numerical Investigations

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Zhihui Li, Loizos Christodoulou, Richard Jefferson-Loveday, Stephen Ambrose, Richard Jackson, Gary D. Lock, Carl M. Sangan, James A. Scobie
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2024, 146(6): 061004.
Paper No: TURBO-23-1161
https://doi.org/10.1115/1.4064224
Published Online: January 29, 2024
View Articletitled, Windage Torque Reduction in Low-Pressure Turbine Cavities Part I: Concept Design and Numerical Investigations
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Topics: Cavities, Design, Flow (Dynamics), Flow control, Pressure, Torque, Turbines, Cavity flows
Journal Articles

Modeling of Dynamic Response of a Radial Turbine to Pulsatile Incoming Flow

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Mingyang Yang, Yingxian Xue, Lei Pan, Bijie Yang, Ricardo Martinez-Botas
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2023, 145(3): 031005.
Paper No: TURBO-22-1066
https://doi.org/10.1115/1.4055641
Published Online: October 17, 2022
View Articletitled, Modeling of Dynamic Response of a Radial Turbine to Pulsatile Incoming Flow
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Topics: Flow (Dynamics), Torque, Turbines, Rotors, Modeling
Journal Articles

Physics and Instantaneous Performance of Radial Turbines in Unsteady Flows: Validity of the Quasi-Steady Assumption for the Rotor

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Nicolas Binder, Yanncik Bousquet, Florian Hermet, Jérémie Gressier
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2022, 144(11): 111002.
Paper No: TURBO-21-1186
https://doi.org/10.1115/1.4054777
Published Online: July 4, 2022
View Articletitled, Physics and Instantaneous Performance of Radial Turbines in Unsteady Flows: Validity of the Quasi-Steady Assumption for the Rotor
Open the PDF for Physics and Instantaneous Performance of Radial Turbines in Unsteady Flows: Validity of the Quasi-Steady Assumption for the Rotor in another window
Topics: Flow (Dynamics), Pressure, Rotors, Torque, Transients (Dynamics), Turbines, Unsteady flow, Waves, Computer simulation, Physics
Journal Articles

Analysis of Measured and Predicted Turbine Maps From Start-Up to Design Point

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Alberto Scotti del Greco, Sara Biagiotti, Vittorio Michelassi, Tomasz Jurek, Daniele Di Benedetto, Stefano Francini, Michele Marconcini
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2022, 144(8): 081009.
Paper No: TURBO-21-1256
https://doi.org/10.1115/1.4053656
Published Online: March 3, 2022
View Articletitled, Analysis of Measured and Predicted Turbine Maps From Start-Up to Design Point
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Topics: Blades, Computational fluid dynamics, Design, Flow (Dynamics), Pressure, Rotors, Turbines, Torque
Journal Articles

Improved Understanding of Stiffness in Leaf-Type Filament Seals

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Ingo H. J. Jahn, Gervas Franceschini, Andrew K. Owen, Terry V. Jones, David R. H. Gillespie
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. January 2016, 138(1): 011004.
Paper No: TURBO-14-1309
https://doi.org/10.1115/1.4031579
Published Online: October 13, 2015
View Articletitled, Improved Understanding of Stiffness in Leaf-Type Filament Seals
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Topics: Engineering prototypes, Pressure, Rotors, Stiffness, Torque, Flow (Dynamics)
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

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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 Articletitled, 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

Blade Design Criteria to Compensate the Flow Curvature Effects in H-Darrieus Wind Turbines

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Francesco Balduzzi, Alessandro Bianchini, Riccardo Maleci, Giovanni Ferrara, Lorenzo Ferrari
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. January 2015, 137(1): 011006.
Paper No: TURBO-14-1147
https://doi.org/10.1115/1.4028245
Published Online: September 4, 2014
View Articletitled, Blade Design Criteria to Compensate the Flow Curvature Effects in H-Darrieus Wind Turbines
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Topics: Airfoils, Blades, Computational fluid dynamics, Design, Flow (Dynamics), Rotors, Simulation, Torque, Turbines, Wind turbines
Journal Articles

Contactless Shaft Torque Detection for Wide Range Performance Measurement of Exhaust Gas Turbocharger Turbines

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Bernhardt Lüddecke, Dietmar Filsinger, Jan Ehrhard, Bastian Steinacher, Christian Seene, Michael Bargende
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. June 2014, 136(6): 061022.
Paper No: TURBO-13-1162
https://doi.org/10.1115/1.4025824
Published Online: December 10, 2013
View Articletitled, Contactless Shaft Torque Detection for Wide Range Performance Measurement of Exhaust Gas Turbocharger Turbines
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Topics: Friction, Torque, Turbines, Turbochargers, Bearings, Temperature, Torque measurement, Computational fluid dynamics
Journal Articles

Effect of Blade Inclination Angle on a Darrieus Wind Turbine

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Marco Raciti Castelli, Ernesto Benini
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2012, 134(3): 031016.
https://doi.org/10.1115/1.4003212
Published Online: July 15, 2011
View Articletitled, Effect of Blade Inclination Angle on a Darrieus Wind Turbine
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Topics: Blades, Rotors, Torque
Journal Articles

Multistage Compressor and Turbine Modeling for the Prediction of the Maximum Turbine Speed Resulting From Shaft Breakage

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M. Haake, R. Fiola, S. Staudacher
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2011, 133(2): 021022.
https://doi.org/10.1115/1.4001188
Published Online: October 26, 2010
View Articletitled, Multistage Compressor and Turbine Modeling for the Prediction of the Maximum Turbine Speed Resulting From Shaft Breakage
Open the PDF for Multistage Compressor and Turbine Modeling for the Prediction of the Maximum Turbine Speed Resulting From Shaft Breakage in another window
Topics: Combustion chambers, Compressors, Failure, Friction, Pressure, Turbines, Blades, Engines, Torque
Journal Articles

Turbine Efficiency Measurement System for the QinetiQ Turbine Test Facility

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Paul F. Beard, Thomas Povey, Kamaljit S. Chana
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2010, 132(1): 011002.
https://doi.org/10.1115/1.3066271
Published Online: September 11, 2009
View Articletitled, Turbine Efficiency Measurement System for the QinetiQ Turbine Test Facility
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Topics: Calibration, Flow (Dynamics), Pressure, Temperature, Torque, Turbines, Uncertainty, Strain gages, Test facilities, Rotors
Journal Articles

Windage Power Losses From Spiral Bevel Gears With Varying Oil Flows and Shroud Configurations

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Graham Johnson, Budi Chandra, Colin Foord, Kathy Simmons
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2009, 131(4): 041019.
https://doi.org/10.1115/1.3072519
Published Online: July 13, 2009
View Articletitled, Windage Power Losses From Spiral Bevel Gears With Varying Oil Flows and Shroud Configurations
Open the PDF for Windage Power Losses From Spiral Bevel Gears With Varying Oil Flows and Shroud Configurations in another window
Topics: Flow (Dynamics), Gears, Torque, Spiral bevel gears
Journal Articles

Rain Ingestion in Axial Flow Compressors at Part Speed

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Ivor Day, John Williams, Christopher Freeman
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2008, 130(1): 011024.
https://doi.org/10.1115/1.2366511
Published Online: February 1, 2008
View Articletitled, Rain Ingestion in Axial Flow Compressors at Part Speed
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Topics: Compressors, Pressure, Water, Rotors, Drops, Blades, Torque, Flow (Dynamics), Stators
Journal Articles

Development of a One-Dimensional Modular Dynamic Model for the Simulation of Surge in Compression Systems

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M. Morini, M. Pinelli, M. Venturini
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. July 2007, 129(3): 437–447.
https://doi.org/10.1115/1.2447757
Published Online: June 26, 2006
View Articletitled, Development of a One-Dimensional Modular Dynamic Model for the Simulation of Surge in Compression Systems
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Topics: Compressors, Flow (Dynamics), Surges, Simulation, Torque, Pressure, Compression, Ducts
Journal Articles

Flow Analysis Inside a Pelton Turbine Bucket

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B. Zoppé, C. Pellone, T. Maitre, P. Leroy
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. July 2006, 128(3): 500–511.
https://doi.org/10.1115/1.2184350
Published Online: January 9, 2006
View Articletitled, Flow Analysis Inside a Pelton Turbine Bucket
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Topics: Flow (Dynamics), Pressure, Thrust, Turbines, Water, Flow visualization, Torque
Journal Articles

Investigation of Unsteady Aerodynamic Blade Excitation Mechanisms in a Transonic Turbine Stage—Part II: Analytical Description and Quantification

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Bjo¨rn Laumert, Hans Ma˚rtensson, Torsten H. Fransson
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. July 2002, 124(3): 419–428.
https://doi.org/10.1115/1.1458579
Published Online: July 10, 2002
View Articletitled, Investigation of Unsteady Aerodynamic Blade Excitation Mechanisms in a Transonic Turbine Stage—Part II: Analytical Description and Quantification
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Topics: Blades, Design, Pressure, Rotors, Shock (Mechanics), Suction, Torque