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Journal Articles

On Leakage Flows In A Liquid Hydrogen Multi-Stage Pump for Aircraft Engine Applications

Accepted Manuscript
Dimitrios Lamprakis, David John Rajendran, Mani Santhanakrishnan, Seyfettin Coskun, Ioannis Roumeliotis, Vassilios Pachidis, Martin Yates
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1544
https://doi.org/10.1115/1.4066827
Published Online: October 11, 2024
View Article titled, On Leakage Flows In A Liquid Hydrogen Multi-Stage Pump for Aircraft Engine Applications
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Topics: Aircraft engines, Hydrogen, Leakage flows, Pumps, Flow (Dynamics), Design, Aircraft, Impellers, Cavities, Cooling
Journal Articles

Numerical Investigation of Flow Structure and Pressure Drop Prediction for Radial Inflow Between Corotating Disks With Negative Effective Inlet Swirl Ratio

Yang Xu, Shuiting Ding, Tian Qiu, Peng Liu, Yu Zhao
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2025, 147(3): 031004.
Paper No: GTP-24-1431
https://doi.org/10.1115/1.4066359
Published Online: October 3, 2024
View Article titled, Numerical Investigation of Flow Structure and Pressure Drop Prediction for Radial Inflow Between Corotating Disks With Negative Effective Inlet Swirl Ratio
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Topics: Cavities, Disks, Flow (Dynamics), Pressure drop, Computational fluid dynamics, Inflow, Boundary layers
Journal Articles

Experimental Measurements of Buoyancy Induced Flow in Rotating Cavities Under High Reynolds Number Conditions

Accepted Manuscript
Mark Puttock-Brown, Vasudevan Kanjirakkad
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1533
https://doi.org/10.1115/1.4066704
Published Online: September 28, 2024
View Article titled, Experimental Measurements of Buoyancy Induced Flow in Rotating Cavities Under High Reynolds Number Conditions
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Topics: Buoyancy, Cavities, Flow (Dynamics), Reynolds number, Disks, Temperature, Heat transfer, Compressibility, Cycles, Density
Journal Articles

Assessment of Rotordynamic Characteristics for Two Types of Damper Seals Operating in a Steam Turbine

Zhigang Li, Zihan Zhang, Jun Li
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2025, 147(2): 021005.
Paper No: GTP-24-1370
https://doi.org/10.1115/1.4066295
Published Online: September 26, 2024
View Article titled, Assessment of Rotordynamic Characteristics for Two Types of Damper Seals Operating in a Steam Turbine
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Topics: Brakes, Dampers, Damping, Fluids, Rotors, Steam turbines, Stiffness, Whirls, Cavities, Pressure
Journal Articles

Mass and Heat Exchange in Rotating Compressor Cavities With Variable Cob Separation

Tom E. W. Nicholas, Mikolaj J. Pernak, Gary D. Lock, James A. Scobie, Hui Tang
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2025, 147(1): 011018.
Paper No: GTP-24-1396
https://doi.org/10.1115/1.4066247
Published Online: September 19, 2024
View Article titled, Mass and Heat Exchange in Rotating Compressor Cavities With Variable Cob Separation
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Topics: Cavities, Disks, Flow (Dynamics), Heat transfer, Plumes (Fluid dynamics), Temperature, Vortices, Compressors
Journal Articles

Sensitivity Analysis of the Static and Rotordynamic Characteristics on Geometric Parameters for a Supercritical Carbon Dioxide Hole-Pattern Damper Seal

Zhigang Li, Zihan Zhang, Jun Li
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2025, 147(1): 011005.
Paper No: GTP-24-1148
https://doi.org/10.1115/1.4066287
Published Online: September 13, 2024
View Article titled, Sensitivity Analysis of the Static and Rotordynamic Characteristics on Geometric Parameters for a Supercritical Carbon Dioxide Hole-Pattern Damper Seal
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Topics: Cavities, Computer simulation, Dampers, Damping, Design, Fluids, Leakage, Leakage flows, Numerical analysis, Rotors
Journal Articles

A Low Mach Preconditioned Harmonic Balance Solver for Cavity Flutter Computations

Accepted Manuscript
Pierre Sivel, Christian Frey, Hans-Peter Kersken, Edmund Kuegeler
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1511
https://doi.org/10.1115/1.4066537
Published Online: September 13, 2024
View Article titled, A Low Mach Preconditioned Harmonic Balance Solver for Cavity Flutter Computations
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Topics: Cavities, Computation, Flutter (Aerodynamics), Turbomachinery, Critical phenomena (Physics), Density, Flow (Dynamics), Mach number, Reliability, Stiffness
Journal Articles

Comparison of Rim Sealing Effectiveness in Different Geometrical Configurations

Accepted Manuscript
Lorenzo Orsini, Alessio Picchi, Bruno Facchini, Alessio Bonini, Luca Innocenti
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1525
https://doi.org/10.1115/1.4066536
Published Online: September 13, 2024
View Article titled, Comparison of Rim Sealing Effectiveness in Different Geometrical Configurations
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Topics: Sealing (Process), Blades, Engines, Flow (Dynamics), Cavities, Design, Experimental characterization, Geometry, Transients (Dynamics)
Journal Articles

An Aero-Engine Disk Sizing and Weight Estimation Approach With Improved Temperature Profiles

Ioannis Zaimis, Elias Carpentari, Tim Begiebing, Volker Gümmer
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2024, 146(11): 111027.
Paper No: GTP-24-1271
https://doi.org/10.1115/1.4066151
Published Online: August 23, 2024
View Article titled, An Aero-Engine Disk Sizing and Weight Estimation Approach With Improved Temperature Profiles
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Topics: Disks, Temperature, Temperature profiles, Flow (Dynamics), Design, Low cycle fatigue, Stress, Aircraft engines, Cavities, Heat conduction
Journal Articles

Numerical Investigations of Flows and Heat Transfer in Turbine Disk Cavities

Jean-Hugues Beaux, Julian Girardeau, Sofiane Khelladi, Michael Deligant, Christelle Perilhon
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2024, 146(10): 101016.
Paper No: GTP-24-1184
https://doi.org/10.1115/1.4065632
Published Online: June 18, 2024
View Article titled, Numerical Investigations of Flows and Heat Transfer in Turbine Disk Cavities
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Topics: Cavities, Cooling, Disks, Flow (Dynamics), Metals, Rotors, Stators, Temperature, Turbines, Heat transfer
Journal Articles

Effect of Rim Seal Geometry on Rotationally-Driven Ingestion

Shaun Burden, John W. Chew, Feng Gao, Olaf Marxen
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2024, 146(9): 091013.
Paper No: GTP-24-1012
https://doi.org/10.1115/1.4064730
Published Online: March 20, 2024
View Article titled, Effect of Rim Seal Geometry on Rotationally-Driven Ingestion
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Topics: Clearances (Engineering), Flow (Dynamics), Geometry, Modeling, Sealing (Process), Turbulence, Computational fluid dynamics, Cavities, Large eddy simulation, Turbines
Journal Articles

Design Optimization of Blade Tip in Subsonic and Transonic Turbine Stages—Part II: Flow Physics and Augmented Aerothermal Integral Objective Function

P. H. Duan, L. He
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2024, 146(9): 091002.
Paper No: GTP-23-1579
https://doi.org/10.1115/1.4064326
Published Online: February 8, 2024
View Article titled, Design Optimization of Blade Tip in Subsonic and Transonic Turbine Stages—Part II: Flow Physics and Augmented Aerothermal Integral Objective Function
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Topics: Blades, Cavities, Flow (Dynamics), Heat transfer, Optimization, Pressure, Turbines, Design, Platform supply vessels, Heat
Journal Articles

Advanced Modeling of Flow and Heat Transfer in Rotating Disk Cavities Using Open-Source Computational Fluid Dynamics

Ruonan Wang, Feng Gao, John W. Chew, Olaf Marxen, Zixiang Sun
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2024, 146(6): 061022.
Paper No: GTP-23-1609
https://doi.org/10.1115/1.4063989
Published Online: January 12, 2024
View Article titled, Advanced Modeling of Flow and Heat Transfer in Rotating Disk Cavities Using Open-Source Computational Fluid Dynamics
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Topics: Cavities, Disks, Flow (Dynamics), Heat transfer, Temperature, Computational fluid dynamics
Journal Articles

Conjugate Modeling of a Closed Co-Rotating Compressor Cavity

James Parry, Hui Tang, James A. Scobie, Gary D. Lock, Mauro Carnevale
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2024, 146(5): 051007.
Paper No: GTP-23-1555
https://doi.org/10.1115/1.4063632
Published Online: December 8, 2023
View Article titled, Conjugate Modeling of a Closed Co-Rotating Compressor Cavity
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Topics: Cavities, Disks, Flow (Dynamics), Fluids, Heat transfer, Modeling, Temperature, Compressors, Buoyancy, Simulation
Journal Articles

Experimental Measurements of Flow-Averaged Toroidal Vortices in Buoyancy-Dominated Rotating Cavities

Emma Fisher, Mark R. Puttock-Brown
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2024, 146(4): 041006.
Paper No: GTP-23-1433
https://doi.org/10.1115/1.4063689
Published Online: December 6, 2023
View Article titled, Experimental Measurements of Flow-Averaged Toroidal Vortices in Buoyancy-Dominated Rotating Cavities
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Topics: Cavities, Disks, Flow (Dynamics), Probes, Vortices, Buoyancy
Journal Articles

Leakage and Rotordynamic Force Coefficients of a Labyrinth Seal and a Pocket Damper Seal Operating With Wet Gas

Jose Torres, Luis San Andrés
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2024, 146(3): 031016.
Paper No: GTP-23-1407
https://doi.org/10.1115/1.4063551
Published Online: November 28, 2023
View Article titled, Leakage and Rotordynamic Force Coefficients of a Labyrinth Seal and a Pocket Damper Seal Operating With Wet Gas
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Topics: Dampers, Damping, Leakage, Pressure, Wireless power transfer, Clearances (Engineering), Stiffness, Flow (Dynamics), Uncertainty, Cavities
Journal Articles

Propulsion Aerodynamics for a Novel High-Speed Exhaust System

Spyros Tsentis, Ioannis Goulos, Simon Prince, Vassilios Pachidis, Vladeta Zmijanovic
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2023, 145(12): 121011.
Paper No: GTP-23-1339
https://doi.org/10.1115/1.4063416
Published Online: October 17, 2023
View Article titled, Propulsion Aerodynamics for a Novel High-Speed Exhaust System
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Topics: Cavities, Design, Drag (Fluid dynamics), Exhaust systems, Flow (Dynamics), Nozzles, Pressure, Aerodynamics, Flow separation, Separation (Technology)
Journal Articles

Measurement of Inertial and Acoustic Waves in a Turbine Chute Rim Seal Cavity

Anna Bru Revert, Paul F. Beard, John W. Chew
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2023, 145(6): 061021.
Paper No: GTP-22-1603
https://doi.org/10.1115/1.4056552
Published Online: February 15, 2023
View Article titled, Measurement of Inertial and Acoustic Waves in a Turbine Chute Rim Seal Cavity
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Topics: Acoustics, Annulus, Cavities, Flow (Dynamics), Pressure, Rotors, Waves, Disks, Unsteady flow
Journal Articles

Numerical Investigation on the Leakage and Rotordynamic Characteristics for a Hole-Pattern Seal in Wet-Gas Conditions

Zhi Fang, Zhigang Li, Jun Li
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2023, 145(6): 061003.
Paper No: GTP-22-1241
https://doi.org/10.1115/1.4056310
Published Online: January 13, 2023
View Article titled, Numerical Investigation on the Leakage and Rotordynamic Characteristics for a Hole-Pattern Seal in Wet-Gas Conditions
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Topics: Damping, Leakage, Numerical analysis, Pressure, Rotors, Stiffness, Clearances (Engineering), Leakage flows, Cavities, Oscillating frequencies
Journal Articles

Experimentally Measured Effectiveness of Different Shroud Swirl Brake Profiles in a Centrifugal Compressor

Jason Wilkes, Natalie Smith, Balaji Venkataraman, Marco Vagani, Sara Goucher
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2023, 145(5): 051012.
Paper No: GTP-21-1576
https://doi.org/10.1115/1.4056109
Published Online: January 10, 2023
View Article titled, Experimentally Measured Effectiveness of Different Shroud Swirl Brake Profiles in a Centrifugal Compressor
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Topics: Brakes, Cavities, Compressors, Design, Flow (Dynamics), Impellers, Pressure, Probes, Rotors