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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

J. Eng. Gas Turbines Power. June 2022, 144(6): 061005.

Paper No: GTP-21-1684

DOI: https://doi.org/10.1115/1.4053911

Published Online: March 21, 2022

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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

J. Eng. Gas Turbines Power. April 2021, 143(4): 041022.

Paper No: GTP-20-1061

DOI: https://doi.org/10.1115/1.4049411

Published Online: March 10, 2021

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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

J. Eng. Gas Turbines Power. November 2020, 142(11): 111003.

Paper No: GTP-20-1568

DOI: https://doi.org/10.1115/1.4048487

Published Online: October 15, 2020

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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

J. Eng. Gas Turbines Power. March 2020, 142(3): 031010.

Paper No: GTP-19-1314

DOI: https://doi.org/10.1115/1.4044453

Published Online: January 29, 2020

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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

J. Eng. Gas Turbines Power. March 2020, 142(3): 031003.

Paper No: GTP-19-1317

DOI: https://doi.org/10.1115/1.4044683

Published Online: January 17, 2020

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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

J. Eng. Gas Turbines Power. September 2019, 141(9): 091013.

Paper No: GTP-19-1265

DOI: https://doi.org/10.1115/1.4043993

Published Online: July 10, 2019

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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

J. Eng. Gas Turbines Power. May 2019, 141(5): 051020.

Paper No: GTP-18-1314

DOI: https://doi.org/10.1115/1.4041654

Published Online: March 14, 2019

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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

J. Eng. Gas Turbines Power. June 2019, 141(6): 061012.

Paper No: GTP-18-1661

DOI: https://doi.org/10.1115/1.4042509

Published Online: February 18, 2019

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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

J. Eng. Gas Turbines Power. December 2018, 140(12): 121201.

Paper No: GTP-18-1327

DOI: https://doi.org/10.1115/1.4040822

Published Online: November 29, 2018

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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

J. Eng. Gas Turbines Power. May 2019, 141(5): 051002.

Paper No: GTP-18-1556

DOI: https://doi.org/10.1115/1.4041517

Published Online: November 20, 2018

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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

J. Eng. Gas Turbines Power. March 2019, 141(3): 031026.

Paper No: GTP-18-1329

DOI: https://doi.org/10.1115/1.4041114

Published Online: November 1, 2018

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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

J. Eng. Gas Turbines Power. January 2019, 141(1): 011010.

Paper No: GTP-18-1304

DOI: https://doi.org/10.1115/1.4040734

Published Online: September 14, 2018

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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

J. Eng. Gas Turbines Power. August 2018, 140(8): 082508.

Paper No: GTP-17-1392

DOI: https://doi.org/10.1115/1.4038471

Published Online: May 17, 2018

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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

J. Eng. Gas Turbines Power. June 2018, 140(6): 062501.

Paper No: GTP-17-1410

DOI: https://doi.org/10.1115/1.4038284

Published Online: January 17, 2018

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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

J. Eng. Gas Turbines Power. April 2017, 139(4): 042503.

Paper No: GTP-16-1306

DOI: https://doi.org/10.1115/1.4034722

Published Online: November 2, 2016

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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

J. Eng. Gas Turbines Power. February 2017, 139(2): 022603.

Paper No: GTP-16-1249

DOI: https://doi.org/10.1115/1.4034262

Published Online: September 13, 2016

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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

J. Eng. Gas Turbines Power. February 2016, 138(2): 022603.

Paper No: GTP-15-1359

DOI: https://doi.org/10.1115/1.4031274

Published Online: September 1, 2015

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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

J. Eng. Gas Turbines Power. May 2015, 137(5): 052502.

Paper No: GTP-14-1418

DOI: https://doi.org/10.1115/1.4028663

Published Online: May 1, 2015

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Topics: Film thickness, Friction, Pressure, Stress, Thrust, Compressors, Stiffness, Damping, Lubricants, Gears

Journal Articles

Computational Fluid Dynamics Simulations and Experiments for Reduction of Oil Churning Loss and Windage Loss in Aeroengine Transmission Gears

Hidenori Arisawa, Motohiko Nishimura, Hideyuki Imai, Tatsuhiko Goi

J. Eng. Gas Turbines Power. September 2014, 136(9): 092604.

Paper No: GTP-14-1049

DOI: https://doi.org/10.1115/1.4026952

Published Online: May 5, 2014

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Topics: Flow (Dynamics), Gears, Simulation, Mechanical drives

Journal Articles

Effect of Pressure and Oil Mist on Windage Power Loss of a Shrouded Spiral Bevel Gear

Kathy Simmons, Graham Johnson, Nikolas Wiedemann

J. Eng. Gas Turbines Power. August 2012, 134(8): 081202.

DOI: https://doi.org/10.1115/1.4005984

Published Online: June 29, 2012

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Topics: Gears, Pressure, Sprays

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Journal citation

NARROW

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

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

Pumping Loss of Shrouded Meshed Spur Gears

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

Condition Monitoring of Wind Turbine Planetary Gearboxes Under Different Operating Conditions

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

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

Classification and Modeling of Fluid Dynamic Loss in Aeroengine Transmission Gears

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

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

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

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

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

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

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

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

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

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

Computational Fluid Dynamics Simulations and Experiments for Reduction of Oil Churning Loss and Windage Loss in Aeroengine Transmission Gears

Effect of Pressure and Oil Mist on Windage Power Loss of a Shrouded Spiral Bevel Gear

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