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Journal Articles

CONTROL OF SHROUD LEAKAGE LOSS AND WINDAGE TORQUE IN A LOW-PRESSURE TURBINE STAGE

Accepted Manuscript
Loizos Christodoulou, Zhihui Li, Stephen Ambrose, Richard Jefferson-Loveday, Richard Jackson, Gary D Lock, Carl M. Sangan, James Scobie
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1260
https://doi.org/10.1115/1.4066816
Published Online: October 9, 2024
View Article titled, CONTROL OF SHROUD LEAKAGE LOSS AND WINDAGE TORQUE IN A LOW-PRESSURE TURBINE STAGE
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Topics: Cavities, Leakage, Leakage flows, Pressure, Torque, Turbines, Turbochargers
Journal Articles

Equation-Oriented Meanline Method for Axial Turbine Performance Prediction Under Choking Conditions

Accepted Manuscript
Lasse Borg Anderson, Roberto Agromayor, Simone Parisi, Fredrik Haglind, Lars O. Nord
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1071
https://doi.org/10.1115/1.4066741
Published Online: September 30, 2024
View Article titled, Equation-Oriented Meanline Method for Axial Turbine Performance Prediction Under Choking Conditions
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Topics: Design, Turbines, Turbochargers, Flow (Dynamics), Torque, Algorithms, Cascades (Fluid dynamics), Compressors, Errors, Fluid dynamics
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

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

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 Article titled, 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

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 Article titled, 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

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

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 Article titled, 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

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 Article titled, 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

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

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

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 Article titled, 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

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 Article titled, 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

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 Article titled, 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

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 Article titled, Multistage Compressor and Turbine Modeling for the Prediction of the Maximum Turbine Speed Resulting From Shaft Breakage
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Topics: Combustion chambers, Compressors, Failure, Friction, Pressure, Turbines, Blades, Engines, Torque
Journal Articles

Turbine Efficiency Measurement System for the QinetiQ Turbine Test Facility

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 Article titled, 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

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 Article titled, Windage Power Losses From Spiral Bevel Gears With Varying Oil Flows and Shroud Configurations
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Topics: Flow (Dynamics), Gears, Torque, Spiral bevel gears
Journal Articles

Rain Ingestion in Axial Flow Compressors at Part Speed

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 Article titled, 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

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 Article titled, 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

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 Article titled, 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

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 Article titled, 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
Journal Articles

Laser Velocimeter Measurements in the Turbine of an Automotive Torque Converter: Part I—Average Measurements

K. Brun, R. D. Flack
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 1997, 119(3): 646–654.
https://doi.org/10.1115/1.2841170
Published Online: July 1, 1997
View Article titled, Laser Velocimeter Measurements in the Turbine of an Automotive Torque Converter: Part I—Average Measurements
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Topics: Lasers, Torque converters, Turbines, Velocimeters, Flow (Dynamics), Blades, Pumps, Shaft angle encoders, Corners (Structural elements), Energy dissipation