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Journal Articles

Fluid Dynamic Loss Model With Wide Applicability for Aeroengine Transmission Gears

Hidenori Arisawa, Mitsuaki Tanaka, Hironori Hashimoto, Tatsuhiko Goi, Takahiko Banno, Hirofumi Akahori
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2024, 146(5): 051001.
Paper No: GTP-23-1494
https://doi.org/10.1115/1.4063714
Published Online: December 8, 2023
View Article titled, Fluid Dynamic Loss Model With Wide Applicability for Aeroengine Transmission Gears
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Topics: Flow (Dynamics), Fluids, Gears, Vortices
Journal Articles

Applicability of Numerical Simulation to the Classification of Fluid Dynamic Loss in Aeroengine Transmission Gears

Hidenori Arisawa, Mitsuaki Tanaka, Hironori Hashimoto, Tatsuhiko Goi, Takahiko Banno, Hideyuki Imai
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2024, 146(4): 041018.
Paper No: GTP-23-1493
https://doi.org/10.1115/1.4063713
Published Online: December 8, 2023
View Article titled, Applicability of Numerical Simulation to the Classification of Fluid Dynamic Loss in Aeroengine Transmission Gears
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Topics: Flow (Dynamics), Fluids, Gears, Air flow, Pressure, Computer simulation, Mechanical drives
Journal Articles

Influence of the Tool Wear on the Quality and Service Life of Gears for the Geared Turbofan Technology Machined by Five-Axis Milling

Christoph Zachert, Thomas Lakner, René Greschert, Daniel Schraknepper, Thomas Bergs
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2022, 144(6): 061005.
Paper No: GTP-21-1684
https://doi.org/10.1115/1.4053911
Published Online: March 21, 2022
View Article titled, Influence of the Tool Wear on the Quality and Service Life of Gears for the Geared Turbofan Technology Machined by Five-Axis Milling
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Topics: Gears, Machining, Milling, Service life (Equipment), Wear, Turbofans, Coatings
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

Pumping Loss of Shrouded Meshed Spur Gears

Michael J. Hurrell, Jerzy T. Sawicki
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2020, 142(11): 111003.
Paper No: GTP-20-1568
https://doi.org/10.1115/1.4048487
Published Online: October 15, 2020
View Article titled, Pumping Loss of Shrouded Meshed Spur Gears
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Topics: Clearances (Engineering), Computational fluid dynamics, Flow (Dynamics), Gears, Pressure, Spur gears, Stress, NASA, Drag (Fluid dynamics), Test facilities
Journal Articles

Vibration-Based Condition Monitoring of Helicopter Gearboxes Based on Cyclostationary Analysis

Alexandre Mauricio, Linghao Zhou, David Mba, Konstantinos Gryllias
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2020, 142(3): 031010.
Paper No: GTP-19-1314
https://doi.org/10.1115/1.4044453
Published Online: January 29, 2020
View Article titled, Vibration-Based Condition Monitoring of Helicopter Gearboxes Based on Cyclostationary Analysis
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Topics: Bearings, Condition monitoring, Electromagnetic spectrum, Mechanical drives, Optimization, Signals, Vibration, Filtration, Gears, Flaw detection
Journal Articles

Condition Monitoring of Wind Turbine Planetary Gearboxes Under Different Operating Conditions

Alexandre Mauricio, Shuangwen Sheng, Konstantinos Gryllias
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2020, 142(3): 031003.
Paper No: GTP-19-1317
https://doi.org/10.1115/1.4044683
Published Online: January 17, 2020
View Article titled, Condition Monitoring of Wind Turbine Planetary Gearboxes Under Different Operating Conditions
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Topics: Bearings, Condition monitoring, Mechanical drives, Optimization, Sensors, Signals, Stress, Wind turbines, Gears, Damage
Journal Articles

Development of a Flow Visualization Borescope and a Two-Phase Flow Probe for Aeroengine Transmission Gears

Hidenori Arisawa, Yuji Shinoda, Yoshiyuki Noguchi, Tatsuhiko Goi, Takahiko Banno, Hirofumi Akahori
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2019, 141(9): 091013.
Paper No: GTP-19-1265
https://doi.org/10.1115/1.4043993
Published Online: July 10, 2019
View Article titled, Development of a Flow Visualization Borescope and a Two-Phase Flow Probe for Aeroengine Transmission Gears
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Topics: Calibration, Flow (Dynamics), Flow visualization, Gears, Mechanical drives, Probes, Two-phase flow, Visualization, Pressure
Journal Articles

Static and Dynamic Coefficient Measurements for a Thrust Collar Used in an Integrally Geared Compressor

Thomas Kerr, Andrew Crandall, Dara Childs, Adolfo Delgado
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2019, 141(5): 051020.
Paper No: GTP-18-1314
https://doi.org/10.1115/1.4041654
Published Online: March 14, 2019
View Article titled, Static and Dynamic Coefficient Measurements for a Thrust Collar Used in an Integrally Geared Compressor
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Topics: Compressors, Damping, Deflection, Degrees of freedom, Hammers, Rotation, Stiffness, Stress, Test facilities, Thrust
Journal Articles

Classification and Modeling of Fluid Dynamic Loss in Aeroengine Transmission Gears

Hidenori Arisawa, Yuji Shinoda, Mitsuaki Tanaka, Tatsuhiko Goi, Hirofumi Akahori, Mamoru Yoshitomi
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2019, 141(6): 061012.
Paper No: GTP-18-1661
https://doi.org/10.1115/1.4042509
Published Online: February 18, 2019
View Article titled, Classification and Modeling of Fluid Dynamic Loss in Aeroengine Transmission Gears
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Topics: Flow (Dynamics), Fluids, Gears, Mechanical drives, Pressure, Modeling
Journal Articles

Dual Drive Booster for a Two-Spool Turbofan: High Shaft Power Offtake Capability for More Electric Aircraft and Hybrid Aircraft Concepts

Vadim Kloos, Trevor H. Speak, Robert J. Sellick, Peter Jeschke
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2018, 140(12): 121201.
Paper No: GTP-18-1327
https://doi.org/10.1115/1.4040822
Published Online: November 29, 2018
View Article titled, Dual Drive Booster for a Two-Spool Turbofan: High Shaft Power Offtake Capability for More Electric Aircraft and Hybrid Aircraft Concepts
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Topics: Aircraft, Design, Engines, Surges, Thrust, Turbofans, Compressors, Gears, Flight, Generators
Journal Articles

Multiphase Computational Fluid Dynamics Modeling of External Oil Flow From a Journal Bearing

Martin Berthold, Hervé Morvan, Richard Jefferson-Loveday, Colin Young, Benjamin C. Rothwell, Stephen Ambrose
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2019, 141(5): 051002.
Paper No: GTP-18-1556
https://doi.org/10.1115/1.4041517
Published Online: November 20, 2018
View Article titled, Multiphase Computational Fluid Dynamics Modeling of External Oil Flow From a Journal Bearing
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Topics: Computational fluid dynamics, Flow (Dynamics), Journal bearings, Phase interfaces, Modeling, Boundary-value problems, Gears
Journal Articles

Vibration-Based Condition Monitoring of Wind Turbine Gearboxes Based on Cyclostationary Analysis

Alexandre Mauricio, Junyu Qi, Konstantinos Gryllias
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2019, 141(3): 031026.
Paper No: GTP-18-1329
https://doi.org/10.1115/1.4041114
Published Online: November 1, 2018
View Article titled, Vibration-Based Condition Monitoring of Wind Turbine Gearboxes Based on Cyclostationary Analysis
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Topics: Bearings, Condition monitoring, Gears, Mechanical drives, Sensors, Signals, Vibration, Wind turbines, Damage, Emission spectroscopy
Journal Articles

Mission Analysis and Operational Optimization of Adaptive Cycle Microturbofan Engine in Surveillance and Firefighting Scenarios

Michael Palman, Boris Leizeronok, Beni Cukurel
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2019, 141(1): 011010.
Paper No: GTP-18-1304
https://doi.org/10.1115/1.4040734
Published Online: September 14, 2018
View Article titled, Mission Analysis and Operational Optimization of Adaptive Cycle Microturbofan Engine in Surveillance and Firefighting Scenarios
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Topics: Cycles, Engines, Flight, Fuel consumption, Gears, Surveillance, Thrust, Unmanned aerial vehicles, Optimization, Design
Journal Articles

Experimental and Numerical Investigation on Windage Power Losses in High Speed Gears

Daniele Massini, Tommaso Fondelli, Antonio Andreini, Bruno Facchini, Lorenzo Tarchi, F. Leonardi
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2018, 140(8): 082508.
Paper No: GTP-17-1392
https://doi.org/10.1115/1.4038471
Published Online: May 17, 2018
View Article titled, Experimental and Numerical Investigation on Windage Power Losses in High Speed Gears
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Topics: Computational fluid dynamics, Flow (Dynamics), Gears, Torque, Pressure, Particulate matter, Temperature
Journal Articles

Toward Investigation of External Oil Flow From a Journal Bearing in an Epicyclic Gearbox

Martin Berthold, Hervé Morvan, Colin Young, Richard Jefferson-Loveday
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2018, 140(6): 062501.
Paper No: GTP-17-1410
https://doi.org/10.1115/1.4038284
Published Online: January 17, 2018
View Article titled, Toward Investigation of External Oil Flow From a Journal Bearing in an Epicyclic Gearbox
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Topics: Computational fluid dynamics, Flow (Dynamics), Journal bearings, Gears
Journal Articles

On the Predicted Effect of Angular Misalignment on the Performance of Oil Lubricated Thrust Collars in Integrally Geared Compressors

Travis A. Cable, Luis San Andrés, Karl Wygant
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2017, 139(4): 042503.
Paper No: GTP-16-1306
https://doi.org/10.1115/1.4034722
Published Online: November 2, 2016
View Article titled, On the Predicted Effect of Angular Misalignment on the Performance of Oil Lubricated Thrust Collars in Integrally Geared Compressors
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Topics: Thrust, Pressure, Stress, Film thickness, Gears, Flow (Dynamics), Lubricants
Journal Articles

Micro-Turbojet to Turbofan Conversion Via Continuously Variable Transmission: Thermodynamic Performance Study

Kobi Kadosh, Beni Cukurel
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2017, 139(2): 022603.
Paper No: GTP-16-1249
https://doi.org/10.1115/1.4034262
Published Online: September 13, 2016
View Article titled, Micro-Turbojet to Turbofan Conversion Via Continuously Variable Transmission: Thermodynamic Performance Study
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Topics: Engines, Modeling, Turbofans, Turbojets, Nozzles, Thrust, Gears
Journal Articles

Dual Drive Booster for a Two-Spool Turbofan: Performance Effects and Mechanical Feasibility

Trevor H. Speak, Robert J. Sellick, Vadim Kloos, Peter Jeschke
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2016, 138(2): 022603.
Paper No: GTP-15-1359
https://doi.org/10.1115/1.4031274
Published Online: September 1, 2015
View Article titled, Dual Drive Booster for a Two-Spool Turbofan: Performance Effects and Mechanical Feasibility
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Topics: Compressors, Design, Engines, Gears, Pressure, Turbofans, Mechanical drives, Thrust
Journal Articles

On the Predicted Performance of Oil Lubricated Thrust Collars in Integrally Geared Compressors

Luis San Andrés, Travis A. Cable, Karl Wygant, Andron Morton
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2015, 137(5): 052502.
Paper No: GTP-14-1418
https://doi.org/10.1115/1.4028663
Published Online: May 1, 2015
View Article titled, On the Predicted Performance of Oil Lubricated Thrust Collars in Integrally Geared Compressors
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Topics: Film thickness, Friction, Pressure, Stress, Thrust, Compressors, Stiffness, Damping, Lubricants, Gears