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Journal Articles

On Leakage Flows in a Liquid Hydrogen Multistage Pump for Aircraft Engine Applications

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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. May 2025, 147(5): 051015.
Paper No: GTP-24-1544
https://doi.org/10.1115/1.4066827
Published Online: November 22, 2024
View Articletitled, On Leakage Flows in a Liquid Hydrogen Multistage Pump for Aircraft Engine Applications
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Topics: Design, Flow (Dynamics), Hydrogen, Impellers, Leakage flows, Pumps, Leakage
Journal Articles

Numerical Prediction of Inlet Geometry Influence on the In-Duct Acoustics of Small Centrifugal Compressors

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Alberto Broatch, Roberto Navarro, Jorge García-Tíscar, Ferran Roig
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2025, 147(2): 021028.
Paper No: GTP-24-1506
https://doi.org/10.1115/1.4066529
Published Online: October 26, 2024
View Articletitled, Numerical Prediction of Inlet Geometry Influence on the In-Duct Acoustics of Small Centrifugal Compressors
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Topics: Acoustics, Compressors, Ducts, Flow (Dynamics), Geometry, Impellers, Noise (Sound), Pressure, Spectra (Spectroscopy), Blades
Journal Articles

A High-Temperature, High-Speed, Oil-Free Syngas Compressor for Small-Scale Combined Heat and Power

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Victoria He, Jan Van Herle, Jürg Schiffmann
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2025, 147(2): 021019.
Paper No: GTP-24-1514
https://doi.org/10.1115/1.4066356
Published Online: September 27, 2024
View Articletitled, A High-Temperature, High-Speed, Oil-Free Syngas Compressor for Small-Scale Combined Heat and Power
Open the PDF for A High-Temperature, High-Speed, Oil-Free Syngas Compressor for Small-Scale Combined Heat and Power in another window
Topics: Compressors, Computational fluid dynamics, Design, High temperature, Syngas, Solid oxide fuel cells, Blades, Combined heat and power, Pressure, Impellers
Journal Articles

Aerodynamic Stability Enhancement of a SCO 2 Centrifugal Compressor by Riblets of the Shroud

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Ruikai Cai, Mingyang Yang, Weilin Zhuge, Kangyao Deng, Yangjun Zhang
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2024, 146(7): 071010.
Paper No: GTP-23-1691
https://doi.org/10.1115/1.4065524
Published Online: May 30, 2024
View Articletitled, Aerodynamic Stability Enhancement of a SCO 2 Centrifugal Compressor by Riblets of the Shroud
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Topics: Compressors, Flow (Dynamics), Impellers, Stability, Blades
Journal Articles

A New Global Gas Dynamics Performance Optimization Method for Refrigeration Centrifugal Compressor Stage Based on the Immune Algorithm

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Lu Liang, Wuqi Gong, Yitong Liu, Fang Wang
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2024, 146(8): 081022.
Paper No: GTP-23-1535
https://doi.org/10.1115/1.4064976
Published Online: April 4, 2024
View Articletitled, A New Global Gas Dynamics Performance Optimization Method for Refrigeration Centrifugal Compressor Stage Based on the Immune Algorithm
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Topics: Algorithms, Compressors, Design, Gasdynamics, Impellers, Optimization, Topology, Flow (Dynamics), Artificial neural networks, Blades
Journal Articles

Experimental Investigation on the Aerodynamic Instability Process of a High-Speed Axial-Centrifugal Compressor

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Jiaan Li, Baotong Wang, Xuedong Zheng, Zhiheng Wang, Xinqian Zheng
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2024, 146(8): 081018.
Paper No: GTP-23-1205
https://doi.org/10.1115/1.4064624
Published Online: March 11, 2024
View Articletitled, Experimental Investigation on the Aerodynamic Instability Process of a High-Speed Axial-Centrifugal Compressor
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Topics: Compressors, Flow (Dynamics), Impellers, Pressure, Surges, Diffusers, Blades, Compression
Journal Articles

Rigid Mode Vibration Control for 250 HP Air Compressor System With Integrated Hybrid Air-Foil Magnetic Thrust Bearing ( i -HFMTB)

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Yunseok Ha, Jungwan Kim, Keonwoo Jeong, Yongbok Lee
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2024, 146(4): 041002.
Paper No: GTP-23-1422
https://doi.org/10.1115/1.4063591
Published Online: December 1, 2023
View Articletitled, Rigid Mode Vibration Control for 250 HP Air Compressor System With Integrated Hybrid Air-Foil Magnetic Thrust Bearing ( i -HFMTB)
Open the PDF for Rigid Mode Vibration Control for 250 HP Air Compressor System With Integrated Hybrid Air-Foil Magnetic Thrust Bearing ( i -HFMTB) in another window
Topics: Air compressors, Compressors, Impellers, Journal bearings, Rotors, Stress, Thrust, Thrust bearings, Vibration, Cooling
Journal Articles

Numerical Investigations of Near Surge Operating Conditions in a Two-Stage Radial Compressor With Refrigerant Gas

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Carlo Cravero, Davide Marsano, Vishnu Sishtla, Chaitanya Halbe, William T. Cousins
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2024, 146(2): 021010.
Paper No: GTP-23-1246
https://doi.org/10.1115/1.4063577
Published Online: November 2, 2023
View Articletitled, Numerical Investigations of Near Surge Operating Conditions in a Two-Stage Radial Compressor With Refrigerant Gas
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Topics: Compressors, Diffusers, Flow (Dynamics), Impellers, Inlet guide vanes, Pressure, Rotors, Surges, Blades, Entropy
Journal Articles

Improving a Centrifugal Compressor's Performance at Low Mass Flow Rates by Adding an Acoustic Resonator

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Andreas Renz, Katharina Bär, Stefan Becker
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2023, 145(12): 121014.
Paper No: GTP-23-1061
https://doi.org/10.1115/1.4063583
Published Online: October 26, 2023
View Articletitled, Improving a Centrifugal Compressor's Performance at Low Mass Flow Rates by Adding an Acoustic Resonator
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Topics: Flow (Dynamics), Impellers, Surges, Compressors, Acoustics
Journal Articles

Burst Speed Prediction of Impellers With Critical Strain Criteria

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Alper Sarıten, Burak Tabakçı, Furkan Çopur, Alican Kutmaral, İlkan Hasan Akpınar
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2024, 146(2): 021003.
Paper No: GTP-23-1359
https://doi.org/10.1115/1.4063382
Published Online: October 25, 2023
View Articletitled, Burst Speed Prediction of Impellers With Critical Strain Criteria
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Topics: Disks, Geometry, Impellers, Stress, Finite element analysis, Tensile strength, Design, Failure, Plasticity, Fracture (Materials)
Journal Articles

Physical Insight Into Whoosh Noise in Turbocharger Compressors Using Computational Fluid Dynamics

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Rick Dehner, Ahmet Selamet, Pranav Sriganesh, Deb Banerjee, Emel Selamet, Ahsanul Karim, Todd Brewer, Anthony Morelli
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2023, 145(11): 111003.
Paper No: GTP-22-1475
https://doi.org/10.1115/1.4063277
Published Online: September 29, 2023
View Articletitled, Physical Insight Into Whoosh Noise in Turbocharger Compressors Using Computational Fluid Dynamics
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Topics: Acoustics, Blades, Compressors, Computational fluid dynamics, Flow (Dynamics), Impellers, Noise (Sound), Turbochargers, Ducts, Pressure
Journal Articles

Guidelines for the Aerodynamic Design of sCO 2 Centrifugal Compressor Stages

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Alessandro Romei, Paolo Gaetani, Giacomo Persico
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2023, 145(11): 111014.
Paper No: GTP-23-1310
https://doi.org/10.1115/1.4063311
Published Online: September 29, 2023
View Articletitled, Guidelines for the Aerodynamic Design of sCO 2 Centrifugal Compressor Stages
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Topics: Blades, Compressors, Design, Flow (Dynamics), Impellers, Two-phase flow, Fluids, Optimization, Shapes
Journal Articles

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

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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 Articletitled, 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
Journal Articles

On Integrated Fluid Screening and Turbomachinery Design for Optimized Industrial Heat Pumps

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Renan Emre Karaefe, Pascal Post, Valerius Venzik, Paul Wotzka, Riley B. Barta, Dirk Müller, Francesca di Mare
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2023, 145(4): 041013.
Paper No: GTP-22-1422
https://doi.org/10.1115/1.4055795
Published Online: December 13, 2022
View Articletitled, On Integrated Fluid Screening and Turbomachinery Design for Optimized Industrial Heat Pumps
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Topics: Compressors, Cycles, Design, Fluids, Heat pumps, Carbon dioxide, Flow (Dynamics), Impellers, Refrigerants, Optimization
Journal Articles

Design Optimization of a High-Speed Twin-Stage Compressor for Next-Gen Aircraft Environmental Control System

Open Access
Andrea Giuffre', Piero Colonna, Matteo Pini
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2023, 145(3): 031017.
Paper No: GTP-22-1261
https://doi.org/10.1115/1.4056022
Published Online: December 8, 2022
View Articletitled, Design Optimization of a High-Speed Twin-Stage Compressor for Next-Gen Aircraft Environmental Control System
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Topics: Compressors, Design, Flow (Dynamics), Impellers, Compression, Optimization, Conceptual design, Computational fluid dynamics
Journal Articles

A Comparison of Static and Rotordynamic Characteristics for Three Types of Impeller Front Seals in a Liquid Oxygen Turbopump

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Zhihong Jin, Kai Mao, Zhigang Li, Jun Li
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2023, 145(3): 031025.
Paper No: GTP-22-1247
https://doi.org/10.1115/1.4055351
Published Online: December 8, 2022
View Articletitled, A Comparison of Static and Rotordynamic Characteristics for Three Types of Impeller Front Seals in a Liquid Oxygen Turbopump
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Topics: Damping, Impellers, Leakage, Oxygen, Rotors, Sealing (Process), Stators, Stiffness, Stress, Whirls
Journal Articles

A Mechanistic Model for the Predictive Maintenance of Heavy-Duty Centrifugal Fans Operating With Dust-Laden Flows

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Alessandro Vulpio, Stefano Oliani, Alessio Suman, Nicola Zanini, Paolo Saccenti
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2023, 145(1): 011007.
Paper No: GTP-22-1399
https://doi.org/10.1115/1.4055709
Published Online: October 19, 2022
View Articletitled, A Mechanistic Model for the Predictive Maintenance of Heavy-Duty Centrifugal Fans Operating With Dust-Laden Flows
Open the PDF for A Mechanistic Model for the Predictive Maintenance of Heavy-Duty Centrifugal Fans Operating With Dust-Laden Flows in another window
Topics: Computational fluid dynamics, Dust, Erosion, Fans, Flow (Dynamics), Particulate matter, Simulation, Wear, Particle collisions, Blades
Journal Articles

Numerical Predictions of Mean Performance and Dynamic Behavior of a 10 MWe SCO 2 Compressor With Test Data Validation

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Ashvin Hosangadi, Timothy Weathers, Jason Liu, Rob Pelton, Karl Wygant, Jason Wilkes
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2022, 144(12): 121019.
Paper No: GTP-22-1347
https://doi.org/10.1115/1.4055532
Published Online: October 14, 2022
View Articletitled, Numerical Predictions of Mean Performance and Dynamic Behavior of a 10 MWe SCO 2 Compressor With Test Data Validation
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Topics: Compressors, Design, Flow (Dynamics), Fluids, Simulation, Temperature, Engineering simulation, Pressure, Impellers, Condensation
Journal Articles

Performance Optimization of the High-Pressure Compressor in Series Two-Stage Turbocharging System Based on Low-Speed Performance Requirements of Diesel Engine

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Dingkun Liang, Hanqian Yang, Qingbin Li, Cheng Xu, Qiuyuan Xie
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2022, 144(8): 081008.
Paper No: GTP-21-1642
https://doi.org/10.1115/1.4054747
Published Online: June 20, 2022
View Articletitled, Performance Optimization of the High-Pressure Compressor in Series Two-Stage Turbocharging System Based on Low-Speed Performance Requirements of Diesel Engine
Open the PDF for Performance Optimization of the High-Pressure Compressor in Series Two-Stage Turbocharging System Based on Low-Speed Performance Requirements of Diesel Engine in another window
Topics: Compressors, Design, Diesel engines, Engines, Flow (Dynamics), Optimization, Pressure, Turbochargers, High pressure (Physics), Emissions
Journal Articles

Surrogate Models for the Prediction of Damping Ratios in Coupled Acoustoelastic Rotor-Cavity Systems

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Christoph Rocky Heinrich, Tina Unglaube, Bernd Beirow, Dieter Brillert, Klaus Steff, Nico Petry
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2022, 144(8): 081002.
Paper No: GTP-21-1478
https://doi.org/10.1115/1.4054567
Published Online: June 2, 2022
View Articletitled, Surrogate Models for the Prediction of Damping Ratios in Coupled Acoustoelastic Rotor-Cavity Systems
Open the PDF for Surrogate Models for the Prediction of Damping Ratios in Coupled Acoustoelastic Rotor-Cavity Systems in another window
Topics: Cavities, Damping, Impellers, Rotors, Acoustics, Pistons