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Journal Articles

V-spline design for enhanced performance in turbine blade internal cooling

Accepted Manuscript
Symus Say, Adamya D. Singh, Wai Tuck Chow
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1191
https://doi.org/10.1115/1.4066828
Published Online: October 11, 2024
View Article titled, V-spline design for enhanced performance in turbine blade internal cooling
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Topics: Cooling, Design, Splines, Turbine blades, Heat transfer, Stress concentration, Temperature, Creep, Engines, Fatigue
Journal Articles

Numerical Analysis of A Two-Phase Turbine: A Comparative Study Between Barotropic and Mixture Models

Accepted Manuscript
Amit Kumar, Simone Parisi, Roberto Agromayor, Jens Walther, Fredrik Haglind
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1706
https://doi.org/10.1115/1.4066819
Published Online: October 11, 2024
View Article titled, Numerical Analysis of A Two-Phase Turbine: A Comparative Study Between Barotropic and Mixture Models
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Topics: Numerical analysis, Turbines, Nozzles, Flow (Dynamics), Modeling, Torque, Cavitation, Computational fluid dynamics, Condensation, Energy generation
Journal Articles

The Role of the Working Fluid and Non-Ideal Thermodynamic Effects on Performance of Gas Lubricated Bearings

Accepted Manuscript
Wessel de Waart, Matteo Pini
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1652
https://doi.org/10.1115/1.4066822
Published Online: October 11, 2024
View Article titled, The Role of the Working Fluid and Non-Ideal Thermodynamic Effects on Performance of Gas Lubricated Bearings
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Topics: Bearings, Fluids, Gas bearings, Bulk modulus, Machinery, Rotors, Turbines, Vapors, Contamination, Design
Journal Articles

Centrifugal Compressor Surge in Closed-Loop Systems: Initial Modeling and Comparison With Experiments

Sreenath Purushothaman, Carlo Alberto Niccolini Marmont Du Haut Champ, Federico Reggio, Paolo Silvestri, Alberto Traverso, Chaitanya Halbe
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2025, 147(3): 031012.
Paper No: GTP-24-1466
https://doi.org/10.1115/1.4066376
Published Online: October 4, 2024
View Article titled, Centrifugal Compressor Surge in Closed-Loop Systems: Initial Modeling and Comparison With Experiments
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Topics: Compressors, Heat exchangers, Modeling, Surges, Refrigerants, Cycles, Pressure, Condensers (steam plant), Flow (Dynamics), Fluids
Journal Articles

Dynamic Performance and Control Analysis Of a Supercritical CO 2 Recuperated Cycle

Accepted Manuscript
Swatara Tucker, Simone Maccarini, Luca Mantelli, Alberto Traverso
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1624
https://doi.org/10.1115/1.4066785
Published Online: October 4, 2024
View Article titled, Dynamic Performance and Control Analysis Of a Supercritical CO 2 Recuperated Cycle
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Topics: Cycles, Supercritical carbon dioxide, Control equipment, Compressors, Feedforward control, Fluids, Surges, Carbon dioxide, Concentrating solar power, Design
Journal Articles

Effects of Recess Depth and Orifice Diameter on Pneumatic Hammer Instability In Hydrostatic Thrust Bearings: Analysis And Experimental Validation

Accepted Manuscript
Homin Lim, Kyuman Kim, Keun Ryu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1601
https://doi.org/10.1115/1.4066780
Published Online: October 4, 2024
View Article titled, Effects of Recess Depth and Orifice Diameter on Pneumatic Hammer Instability In Hydrostatic Thrust Bearings: Analysis And Experimental Validation
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Topics: Hammers, Hydrostatics, Thrust bearings, Bearings, Stress, Design, Stiffness, Damping, Fluids, Friction
Journal Articles

Laser Powder Bed Fusion Manufactured Hydrostatic Journal Bearings for Turbomachinery: Design and Measurements of Static Load Testing With Air, Water, and Liquid Nitrogen

Accepted Manuscript
Chaeyeon Baek, Hyunsung Jung, Junwon Heo, Kyuman Kim, Keun Ryu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1603
https://doi.org/10.1115/1.4066781
Published Online: October 4, 2024
View Article titled, Laser Powder Bed Fusion Manufactured Hydrostatic Journal Bearings for Turbomachinery: Design and Measurements of Static Load Testing With Air, Water, and Liquid Nitrogen
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Topics: Design, Hydrostatics, Journal bearings, Lasers, Nitrogen, Stress, Testing, Turbomachinery, Water, Bearings
Journal Articles

Experimental Investigations on Carbon Segmented Seals With Smooth and Pocketed Pads

Accepted Manuscript
Pascal Jolly, Mihai Arghir, Hidetoshi Kasahara, Wataru Kimura
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1642
https://doi.org/10.1115/1.4066788
Published Online: October 4, 2024
View Article titled, Experimental Investigations on Carbon Segmented Seals With Smooth and Pocketed Pads
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Topics: Carbon, Friction, Torque, Rotors, Leakage, Carbon fibers, Flow (Dynamics), Fluids, Leakage flows, Pressure
Journal Articles

Experimental Characterization of A Bladeless Air Compressor

Accepted Manuscript
Ravi Nath Tiwari, Federico Reggio, Mario Luigi Ferrari, Ward De Paepe, Alberto Traverso
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1518
https://doi.org/10.1115/1.4066732
Published Online: September 30, 2024
View Article titled, Experimental Characterization of A Bladeless Air Compressor
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Topics: Air compressors, Experimental characterization, Leakage, Compressors, Computational fluid dynamics, Design, Flow (Dynamics), Pressure, Clearances (Engineering), Compression
Journal Articles

Thermal Load Control In High-Temperature Heat Pumps: a Comparative Study

Accepted Manuscript
Matteo Pettinari, Guido Francesco Frate, Lorenzo Ferrari, Fatma Cansu Yücel, Anh Phong Tran, Panagiotis Stathopoulos, Konstantinos G. Kyprianidis
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1571
https://doi.org/10.1115/1.4066706
Published Online: September 28, 2024
View Article titled, Thermal Load Control In High-Temperature Heat Pumps: a Comparative Study
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Topics: Heat pumps, High temperature, Thermal loads, Temperature, Fluids, Heat, Transients (Dynamics), Electric load, Electrification, Fluctuations (Physics)
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

Numerical Investigation of the Flow Structure of Cryogenic Hydrogen in Corrugated Metal Flexhoses Due to Fluid–Structure Interactions

Patrick K. Tran, Jared F. Congiardo, Craig R. Fortier, Erik Fernandez, Jayanta S. Kapat
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2025, 147(2): 021001.
Paper No: GTP-23-1556
https://doi.org/10.1115/1.4066345
Published Online: September 26, 2024
View Article titled, Numerical Investigation of the Flow Structure of Cryogenic Hydrogen in Corrugated Metal Flexhoses Due to Fluid–Structure Interactions
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Topics: Flow (Dynamics), Hydrogen, Metals, Fluids, Fluid structure interaction, Flow-induced vibrations
Journal Articles

Dynamic Performance Analysis of A Turbocharged Pemfc System

Accepted Manuscript
Luca Mantelli, Federico Iester, Silvia Crosa, Michele Bozzolo, Loredana Magistri, Aristide Fausto Massardo
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1586
https://doi.org/10.1115/1.4066610
Published Online: September 26, 2024
View Article titled, Dynamic Performance Analysis of A Turbocharged Pemfc System
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Topics: Proton exchange membrane fuel cells, Stress, Valves, Control equipment, Dynamic models, Engineering simulation, Fuels, Simulation, Compressors, Cooling
Journal Articles

Supercritical Carbon Dioxide Mixing Loss Characteristics Near the Critical Point

Accepted Manuscript
Jinhong Wang, Teng Cao, Ricardo F. Martinez-Botas
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1609
https://doi.org/10.1115/1.4066603
Published Online: September 23, 2024
View Article titled, Supercritical Carbon Dioxide Mixing Loss Characteristics Near the Critical Point
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Topics: Ducts, Entropy, Flow (Dynamics), Fluids, Leakage flows, Nuclides, Pressure, Supercritical carbon dioxide, Temperature, Temperature gradient
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

Dynamic Response of a Rotor Supported On Hybrid Bearings in Air, Water, and Liquid Nitrogen: Measurements and Comparisons to Predictions

Accepted Manuscript
Howon Yi, Kyuman Kim, Hyunsung Jung, Keun Ryu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1501
https://doi.org/10.1115/1.4066539
Published Online: September 13, 2024
View Article titled, Dynamic Response of a Rotor Supported On Hybrid Bearings in Air, Water, and Liquid Nitrogen: Measurements and Comparisons to Predictions
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Topics: Bearings, Dynamic response, Nitrogen, Rotors, Water, Fluids, Rocket engines, Fluid films, Bearing design, Databases
Journal Articles

Multi-Disciplinary Optimization of Gyroid Topologies for a Cold Plate Heat Exchanger Design

Accepted Manuscript
Elhusseiny Daifalla, Shahrokh Shahpar, Indi Tristanto, Mario Carta
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1402
https://doi.org/10.1115/1.4066532
Published Online: September 13, 2024
View Article titled, Multi-Disciplinary Optimization of Gyroid Topologies for a Cold Plate Heat Exchanger Design
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Topics: Design, Heat exchangers, Optimization, Topology, Electrification, Fluids, Heat, Pressure, Aircraft, Aviation
Journal Articles

CFD Modeling of Additively Manufactured Extreme Environment Heat Exchangers for Waste Heat Recuperation

Accepted Manuscript
Vyas Duggirala, Venkateshwara Reddy, Arun Muley, Michael Stoia, Doug Vanaffelen
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1437
https://doi.org/10.1115/1.4066512
Published Online: September 12, 2024
View Article titled, CFD Modeling of Additively Manufactured Extreme Environment Heat Exchangers for Waste Heat Recuperation
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Topics: Additive manufacturing, Computational fluid dynamics, Heat exchangers, Modeling, Waste heat, Design, Heat transfer, Manifolds, Pressure, Temperature
Journal Articles

Development of A Method for Shape Optimization for A Gas Turbine Fuel Injector Design Using Metal-AM

Accepted Manuscript
Sagar Jalui, Yuan Xuan, Guha Manogharan, Jacqueline O'Connor
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1167
https://doi.org/10.1115/1.4066509
Published Online: September 12, 2024
View Article titled, Development of A Method for Shape Optimization for A Gas Turbine Fuel Injector Design Using Metal-AM
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Topics: Design, Fuel injectors, Gas turbines, Metals, Shape optimization, Computational fluid dynamics, Computer-aided design, Shapes, Parametrization, Computer software
Journal Articles

Numerical and Experimental Study of Flow-Induced Vibrations in Micro-Tube Heat Exchangers

H. M. Phan, F. Newman, C. E. O'Pray, D. Parikh
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2024, 146(11): 111028.
Paper No: GTP-24-1272
https://doi.org/10.1115/1.4066156
Published Online: August 23, 2024
View Article titled, Numerical and Experimental Study of Flow-Induced Vibrations in Micro-Tube Heat Exchangers
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Topics: Flow-induced vibrations, Heat exchangers, Temperature, Vibration, Lasers, Computer simulation, Damping, Fluids, Eigenvalues, Test facilities