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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

Investigation of the Coupling Between the Dynamics of Vortical Structures and Flame Stability in Bluff-Body Premixed Combustion Using Extended Spectral Proper Orthogonal Decomposition

Morteza Khalifehei, Yagiz Yalcinkaya, Iván Padilla-Montero, Ayse Gul Gungor, Daniel Rodríguez
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2025, 147(3): 031001.
Paper No: GTP-24-1496
https://doi.org/10.1115/1.4066362
Published Online: September 27, 2024
View Article titled, Investigation of the Coupling Between the Dynamics of Vortical Structures and Flame Stability in Bluff-Body Premixed Combustion Using Extended Spectral Proper Orthogonal Decomposition
Open the PDF for Investigation of the Coupling Between the Dynamics of Vortical Structures and Flame Stability in Bluff-Body Premixed Combustion Using Extended Spectral Proper Orthogonal Decomposition in another window
Topics: Dynamics (Mechanics), Flames, Flow (Dynamics), Principal component analysis, Temperature, Vorticity, Torque, Chemically reactive flow, Combustion, Wakes
Journal Articles

Optimal Control Allocation for Distributed Electric Propulsion in a Series/Parallel Partial Hybrid Powertrain

Accepted Manuscript
Jonathan Litt
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1447
https://doi.org/10.1115/1.4066589
Published Online: September 19, 2024
View Article titled, Optimal Control Allocation for Distributed Electric Propulsion in a Series/Parallel Partial Hybrid Powertrain
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Topics: Electric propulsion, Optimal control, Thrust, Failure, Aircraft, Engines, Fans, Propulsion systems, Torque, Accounting
Journal Articles

Experimental Analysis of the Leakage Characteristics of Three Types of Annular Segmented Seals

Erwan Fourt, Mihai Arghir, Pascal Jolly, Mohamed Andasmas
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2023, 145(9): 091005.
Paper No: GTP-23-1163
https://doi.org/10.1115/1.4062692
Published Online: July 19, 2023
View Article titled, Experimental Analysis of the Leakage Characteristics of Three Types of Annular Segmented Seals
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Topics: Leakage, Leakage flows, Pressure, Rotors, Temperature, Torque, Clearances (Engineering), Friction, Experimental analysis, Flow (Dynamics)
Journal Articles

Experimental Study of Various Low-Friction Coatings for High-Temperature Gas Foil Bearings Under Cold-Start Conditions

Paweł Bagiński, Grzegorz Żywica
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2022, 144(8): 081007.
Paper No: GTP-21-1459
https://doi.org/10.1115/1.4054746
Published Online: June 20, 2022
View Article titled, Experimental Study of Various Low-Friction Coatings for High-Temperature Gas Foil Bearings Under Cold-Start Conditions
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Topics: Bearings, Coatings, Cycles, Foil bearings, Friction, Stress, Temperature, Torque, High temperature, Wear
Journal Articles

Revolutionary Vertical Lift Technology Side-by-Side Hybrid Concept Vehicle Powertrain Dynamic Model

Santino J. Bianco, Christine T. Chevalier, Jonathan S. Litt, Joshua K. Smith, Jeffryes W. Chapman, Jonathan L. Kratz
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2022, 144(3): 031005.
Paper No: GTP-21-1359
https://doi.org/10.1115/1.4052258
Published Online: December 7, 2021
View Article titled, Revolutionary Vertical Lift Technology Side-by-Side Hybrid Concept Vehicle Powertrain Dynamic Model
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Topics: Control equipment, Dynamic models, Electricity (Physics), Engines, Flow (Dynamics), Fuels, Mechanical drives, Modeling, Rotors, Torque
Journal Articles

Considerations for the Extension of Gas Path Analysis to Electrified Aircraft Propulsion Systems

Donald L. Simon, Randy Thomas, Kyle M. Dunlap
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2022, 144(3): 031004.
Paper No: GTP-21-1418
https://doi.org/10.1115/1.4052424
Published Online: December 6, 2021
View Article titled, Considerations for the Extension of Gas Path Analysis to Electrified Aircraft Propulsion Systems
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Topics: Aircraft propulsion, Sensors, Torque, Torque measurement, Turbofans, Engines, Power systems (Machinery), Errors, Parameter estimation, Generators
Journal Articles

Experimental Results of Local Shear Stresses and Friction Torque in an Open Rotor-Stator Disk System

Alexander Kuntze, Stefan Odenbach, Wieland Uffrecht
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2021, 143(9): 091025.
Paper No: GTP-20-1523
https://doi.org/10.1115/1.4051414
Published Online: August 9, 2021
View Article titled, Experimental Results of Local Shear Stresses and Friction Torque in an Open Rotor-Stator Disk System
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Topics: Disks, Flow (Dynamics), Friction, Pressure, Rotors, Sensors, Shear stress, Stators, Torque, Reynolds number
Journal Articles

Model-Based Unified Framework for Detection and Mitigation of Cyclic Torque Imbalance in a Gasoline Engine

Raheel Anjum, Ahmed Yar, Ghulam Murtaza, Qadeer Ahmed, A. I. Bhatti
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2021, 143(7): 071013.
Paper No: GTP-20-1276
https://doi.org/10.1115/1.4049620
Published Online: March 31, 2021
View Article titled, Model-Based Unified Framework for Detection and Mitigation of Cyclic Torque Imbalance in a Gasoline Engine
Open the PDF for Model-Based Unified Framework for Detection and Mitigation of Cyclic Torque Imbalance in a Gasoline Engine in another window
Topics: Dynamics (Mechanics), Engines, Fuels, Pistons, Torque, Gasoline engines, Control equipment
Journal Articles

Experimental Analysis of Blade-Casing Contacts in a Centrifugal Compressor: Vibration and Thermal Aspects

Nicolas Guérin, Claude Gibert, Fabrice Thouverez, Patricio Almeida
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2021, 143(8): 081010.
Paper No: GTP-20-1511
https://doi.org/10.1115/1.4049500
Published Online: March 31, 2021
View Article titled, Experimental Analysis of Blade-Casing Contacts in a Centrifugal Compressor: Vibration and Thermal Aspects
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Topics: Blades, Compressors, Engines, Impellers, Rotors, Signals, Stators, Strain gages, Temperature, Vibration
Journal Articles

Preliminary Design Framework for the Power Gearbox in a Contra-Rotating Open Rotor

Diana G. San Benito Pastor, Devaiah Nalianda, Vishal Sethi, Ron Midgley, Andrew Rolt, D. Alejandro Block Novelo
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2021, 143(4): 041022.
Paper No: GTP-20-1061
https://doi.org/10.1115/1.4049411
Published Online: March 10, 2021
View Article titled, Preliminary Design Framework for the Power Gearbox in a Contra-Rotating Open Rotor
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Topics: Design, Gears, Mechanical drives, Torque, Stress, Rotors, Propellers
Journal Articles

Static and Rotordynamic Characteristics for Two Types of Novel Mixed Liquid Damper Seals With Hole-Pattern/Pocket-Textured Stator and Helically Grooved Rotor

Zhigang Li, Zhi Fang, Jun Li, Zhenping Feng
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2021, 143(4): 041019.
Paper No: GTP-20-1726
https://doi.org/10.1115/1.4049890
Published Online: February 26, 2021
View Article titled, Static and Rotordynamic Characteristics for Two Types of Novel Mixed Liquid Damper Seals With Hole-Pattern/Pocket-Textured Stator and Helically Grooved Rotor
Open the PDF for Static and Rotordynamic Characteristics for Two Types of Novel Mixed Liquid Damper Seals With Hole-Pattern/Pocket-Textured Stator and Helically Grooved Rotor in another window
Topics: Dampers, Drag (Fluid dynamics), Fluids, Leakage, Rotors, Stators, Stiffness, Damping, Numerical analysis, Flow (Dynamics)
Journal Articles

Improvement of Turboshaft Restart Time Through an Experimental and Numerical Investigation

Antoine Ferrand, Marc Bellenoue, Yves Bertin, Patrick Marconi
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2021, 143(3): 031015.
Paper No: GTP-20-1543
https://doi.org/10.1115/1.4049653
Published Online: February 10, 2021
View Article titled, Improvement of Turboshaft Restart Time Through an Experimental and Numerical Investigation
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Topics: Ejectors, Engines, Flow (Dynamics), Fuels, Sleep, Temperature, Torque, Combustion chambers, Generators, Simulation
Journal Articles

Study on Altitude Adaptability of a Turbocharged Off-Road Diesel Engine

Fenlian Huang, Jilin Lei, Qianfan Xin
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Technical Briefs
J. Eng. Gas Turbines Power. November 2020, 142(11): 114501.
Paper No: GTP-20-1037
https://doi.org/10.1115/1.4047932
Published Online: October 29, 2020
View Article titled, Study on Altitude Adaptability of a Turbocharged Off-Road Diesel Engine
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Topics: Combustion, Combustion chambers, Cylinders, Diesel engines, Engines, Fuels, Optimization, Pressure, Roads, Sprays
Journal Articles

Optimal Control and Energy Management for Hybrid Gas-Electric Propulsion

Hanz Richter, Joseph W. Connolly, Donald L. Simon
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2020, 142(9): 091009.
Paper No: GTP-20-1173
https://doi.org/10.1115/1.4047890
Published Online: August 26, 2020
View Article titled, Optimal Control and Energy Management for Hybrid Gas-Electric Propulsion
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Topics: Engines, Flight, Fuels, Optimal control, Simulation, Storage, Torque, Transients (Dynamics), Flow (Dynamics), Dynamics (Mechanics)
Journal Articles

Application of Active Subspace Method in Gas Exchange Strategy Calibration on a Variable Valve Timing Gasoline Engine

Cheng Guan, Qingjun Ma, Zhen Huang, Dong Han
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2020, 142(7): 071003.
Paper No: GTP-19-1627
https://doi.org/10.1115/1.4047126
Published Online: June 30, 2020
View Article titled, Application of Active Subspace Method in Gas Exchange Strategy Calibration on a Variable Valve Timing Gasoline Engine
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Topics: Calibration, Engines, Torque, Valves, Pressure, Flow (Dynamics), Gasoline engines
Journal Articles

Effect of Nitromethane Addition on the Performance of Two-Stroke Spark Ignition Unmanned Aerial Vehicles Piston Engine

S. Raviteja, P. A. Ramakrishna, A. Ramesh
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2020, 142(6): 061003.
Paper No: GTP-19-1665
https://doi.org/10.1115/1.4047127
Published Online: May 28, 2020
View Article titled, Effect of Nitromethane Addition on the Performance of Two-Stroke Spark Ignition Unmanned Aerial Vehicles Piston Engine
Open the PDF for Effect of Nitromethane Addition on the Performance of Two-Stroke Spark Ignition Unmanned Aerial Vehicles Piston Engine in another window
Topics: Combustion, Emissions, Engines, Fuels, Gasoline, Methanol, Unmanned aerial vehicles, Torque, Compression, Ignition
Journal Articles

Design and Experimental Assessment of Bladeless Turbines for Axial Inlet Supersonic Flows

James Braun, Guillermo Paniagua, Francois Falempin, Bruno Le Naour
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2020, 142(4): 041024.
Paper No: GTP-19-1583
https://doi.org/10.1115/1.4045359
Published Online: February 14, 2020
View Article titled, Design and Experimental Assessment of Bladeless Turbines for Axial Inlet Supersonic Flows
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Topics: Pressure, Turbines, Flow (Dynamics), Design, Torque
Journal Articles

Power Improvement and NO x Reduction Strategies for a Hydrogen-Fueled Multicylinder Internal Combustion Engine

Jayakrishnan Krishnanunni, Divesh Bhatia, Viresh Dutta, Lalit Mohan Das
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2019, 141(12): 121001.
Paper No: GTP-18-1735
https://doi.org/10.1115/1.4044966
Published Online: October 24, 2019
View Article titled, Power Improvement and NO x Reduction Strategies for a Hydrogen-Fueled Multicylinder Internal Combustion Engine
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Topics: Emissions, Engines, Exhaust gas recirculation, Nitrogen oxides, Temperature, Torque, Hydrogen, Internal combustion engines, Hydrogen fuels
Journal Articles

Development of a Computational Fluid Dynamics Methodology to Reproduce the Effects of Macroturbulence on Wind Turbines and Its Application to the Particular Case of a VAWT

Francesco Balduzzi, Marco Zini, Giovanni Ferrara, Alessandro Bianchini
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2019, 141(11): 111010.
Paper No: GTP-19-1403
https://doi.org/10.1115/1.4044231
Published Online: October 8, 2019
View Article titled, Development of a Computational Fluid Dynamics Methodology to Reproduce the Effects of Macroturbulence on Wind Turbines and Its Application to the Particular Case of a VAWT
Open the PDF for Development of a Computational Fluid Dynamics Methodology to Reproduce the Effects of Macroturbulence on Wind Turbines and Its Application to the Particular Case of a VAWT in another window
Topics: Flow (Dynamics), Turbulence, Vertical axis wind turbines, Turbines, Torque, Simulation, Computational fluid dynamics, Computer simulation