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Journal Articles

Comparative Analysis of Infrared Signatures of Turbofan Engine Exhaust System with Or Without Afterburning

Xiaojuan Shi, Xin Wei, Honghu Ji

J. Eng. Gas Turbines Power.

Paper No: GTP-22-1623

DOI: https://doi.org/10.1115/1.4056927

Published Online: February 16, 2023

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Topics: Engines, Exhaust systems, Turbofans, Radiation (Physics), Computer software, Flow (Dynamics), Plumes (Fluid dynamics), Computer simulation, Infrared radiation, Numerical analysis

Journal Articles

System-Level Assessment of a Partially Distributed Hybrid Electric Propulsion System

Smruti Sahoo, Mavroudis D. Kavvalos, Dimitra Eirini Diamantidou, Konstantinos G. Kyprianidis

J. Eng. Gas Turbines Power. February 2023, 145(2): 021030.

Paper No: GTP-22-1384

DOI: https://doi.org/10.1115/1.4055827

Published Online: January 11, 2023

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Topics: Aircraft, Batteries, Design, Fuels, Weight (Mass), Wings, Electric propulsion, Fans, Thrust

Journal Articles

A New Approach to Estimate Particulate Matter Emissions From Ground Certification Data: The nvPM Mission Emissions Estimation Methodology

Denise Ahrens, Yoann Méry, Adrien Guénard, Richard C. Miake-Lye

J. Eng. Gas Turbines Power. March 2023, 145(3): 031019.

Paper No: GTP-22-1289

DOI: https://doi.org/10.1115/1.4055477

Published Online: December 8, 2022

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Topics: Emissions, Engines, Flight, Thrust, Particulate matter, Interpolation, Pressure

Journal Articles

Estimation of Resultant Airframe Forces for a Variable Pitch Fan Operating in Reverse Thrust Mode

David John Rajendran, Richard Tunstall, Vassilios Pachidis

J. Eng. Gas Turbines Power. December 2022, 144(12): 121017.

Paper No: GTP-22-1306

DOI: https://doi.org/10.1115/1.4055489

Published Online: October 14, 2022

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Topics: Aircraft, Engines, Flow (Dynamics), Thrust, Drag (Fluid dynamics)

Journal Articles

Assessment of Performance Boundaries and Operability of Low Specific Thrust GUHBPR Engines for EIS2025

Da Mo, Ioannis Roumeliotis, Christos Mourouzidis, Sajal Kissoon, Yixiong Liu

J. Eng. Gas Turbines Power. July 2022, 144(7): 071002.

Paper No: GTP-21-1595

DOI: https://doi.org/10.1115/1.4054405

Published Online: May 20, 2022

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Topics: Design, Engines, Fuels, Thrust, Flight, Turbofans, Aircraft

Journal Articles

The Influence of Ambient Pressure on the Measured Load Capacity of Bump-Foil and Spiral-Groove Gas Thrust Bearings at Ambient Pressures up to 69 Bar on a Novel High-Pressure Gas Bearing Test Rig

Jason Wilkes, Ryan Cater, Erik Swanson, Kevin Passmore, Jerry Brady

J. Eng. Gas Turbines Power. June 2022, 144(6): 061003.

Paper No: GTP-21-1574

DOI: https://doi.org/10.1115/1.4053715

Published Online: March 11, 2022

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Topics: Bearings, Pressure, Stress, Thrust, Thrust bearings, Gas bearings, High pressure (Physics)

Journal Articles

On the Use of an Inflatable Rubber Lip to Improve the Reverse Thrust Flow Field in a Variable Pitch Fan

David John Rajendran, Vassilios Pachidis

J. Eng. Gas Turbines Power. November 2021, 143(11): 111019.

Paper No: GTP-21-1290

DOI: https://doi.org/10.1115/1.4051961

Published Online: October 5, 2021

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Topics: Design, Engines, Flow (Dynamics), Rubber, Thrust, Aircraft, Nozzles

Journal Articles

Investigating the Influence of Impeller Axial Thrust Balance Holes on the Flow and Overall Performance of a Cryogenic Liquid Turbine Expander

Changjiang Huo, Jinju Sun, Peng Song, Shan Sun

J. Eng. Gas Turbines Power. October 2021, 143(10): 101014.

Paper No: GTP-21-1128

DOI: https://doi.org/10.1115/1.4051501

Published Online: September 20, 2021

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Topics: Disks, Flow (Dynamics), Impellers, Thrust, Turbines, Leakage, Pressure, Friction

Journal Articles

Additively Manufactured Compliant Hybrid Gas Thrust Bearing for Supercritical Carbon Dioxide Turbomachinery: Experimental Evaluation and Fluid–Structure Model Predictions

Bugra Ertas, Keith Gary, Adolfo Delgado

J. Eng. Gas Turbines Power. August 2021, 143(8): 081023.

Paper No: GTP-20-1671

DOI: https://doi.org/10.1115/1.4050864

Published Online: May 7, 2021

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Topics: Bearings, Fluids, Stress, Thrust, Thrust bearings, Turbomachinery, Pressure, Clearances (Engineering), Flow (Dynamics), Supercritical carbon dioxide

Journal Articles

Additively Manufactured Compliant Hybrid Gas Thrust Bearing for Supercritical Carbon Dioxide Turbomachinery: Design and Proof of Concept Testing

Bugra Ertas

J. Eng. Gas Turbines Power. August 2021, 143(8): 081024.

Paper No: GTP-20-1710

DOI: https://doi.org/10.1115/1.4050865

Published Online: May 7, 2021

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Topics: Bearings, Design, Stress, Testing, Thrust, Thrust bearings, Turbomachinery, Additive manufacturing, Springs, Stiffness

Journal Articles

Static Performance of a Hydrostatic Thrust Foil Bearing for Large Scale Oil-Free Turbomachines

Nguyen LaTray, Daejong Kim, Myongsok Song

J. Eng. Gas Turbines Power. April 2021, 143(4): 041017.

Paper No: GTP-20-1721

DOI: https://doi.org/10.1115/1.4049884

Published Online: February 26, 2021

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Topics: Bearings, Deflection, Film thickness, Foil bearings, Hydrostatics, Pressure, Stress, Thrust, Turbomachinery, Disks

Journal Articles

Novel Approach for Optical Characterization of Thrust Collar Lubricated Area: Experimental and Numerical Results

Thomas Kerr, Adolfo Delgado

J. Eng. Gas Turbines Power. January 2021, 143(1): 011011.

Paper No: GTP-20-1435

DOI: https://doi.org/10.1115/1.4049013

Published Online: January 4, 2021

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Topics: Cavitation, Computational fluid dynamics, Pressure, Stress, Thrust, Finite element analysis, Turbulence, Modeling, Algorithms, Bearings

Journal Articles

Design, Analysis, and Manufacture of an Axial Length-Saving Disk-Oriented Engine

Bennett M. Staton, Brian T. Bohan, Marc D. Polanka, Larry P. Goss

J. Eng. Gas Turbines Power. January 2021, 143(1): 011001.

Paper No: GTP-20-1160

DOI: https://doi.org/10.1115/1.4048085

Published Online: December 21, 2020

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Topics: Combustion, Combustion chambers, Computational fluid dynamics, Design, Disks, Engines, Flow (Dynamics), Fuels, Thrust, Turbines

Journal Articles

Boundary Layer Ingestion Propulsion: A Review on Numerical Modeling

Luca Menegozzo, Ernesto Benini

J. Eng. Gas Turbines Power. December 2020, 142(12): 120801.

Paper No: GTP-20-1184

DOI: https://doi.org/10.1115/1.4048174

Published Online: December 2, 2020

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Topics: Aircraft, Boundary layers, Computational fluid dynamics, Design, Engines, Modeling, Propulsion, Thrust, Fans, Drag (Fluid dynamics)

Journal Articles

A Computational Model for the Analysis of the Static Forced Performance of Self-Equalizing Tilting Pad Thrust Bearings

Rasool Koosha, Luis San Andrés

J. Eng. Gas Turbines Power. October 2020, 142(10): 101013.

Paper No: GTP-20-1489

DOI: https://doi.org/10.1115/1.4048458

Published Online: September 29, 2020

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Topics: Bearings, Friction, Plates (structures), Pressure, Stress, Thrust bearings, Thrust, Fluid films, Film thickness, Computer software

Journal Articles

The Effect of Rated Climb Performance on Low Cycle Fatigue of a Civil Turbojet Engine

Jonas König, Matthias Weißschuh, Sven von Ende, Stephan Staudacher

J. Eng. Gas Turbines Power. April 2020, 142(4): 041021.

Paper No: GTP-19-1406

DOI: https://doi.org/10.1115/1.4044992

Published Online: February 14, 2020

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Topics: Aircraft, Cycles, Damage, Disks, Engines, Flight, Low cycle fatigue, Stress, Temperature, Thrust

Journal Articles

Modeling Geared Turbofan and Open Rotor Engine Performance for Year-2050 Long-Range and Short-Range Aircraft

Francesco S. Mastropierro, Joshua Sebastiampillai, Florian Jacob, Andrew Rolt

J. Eng. Gas Turbines Power. April 2020, 142(4): 041016.

Paper No: GTP-19-1447

DOI: https://doi.org/10.1115/1.4045077

Published Online: February 3, 2020

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Topics: Engines, Thrust, Pressure, Design, Rotors, Weight (Mass), Aircraft, Turbofans

Journal Articles

Design and Prototype Test Data for a 300 kW Active Magnetic Bearings-Supported Turbine Generator for Natural Gas Pressure Letdown

Rasish Khatri, Lawrence A. Hawkins, Massimiliano Ortiz Neri, Francesco Cangioli, Davide Biliotti

J. Eng. Gas Turbines Power. January 2020, 142(1): 011007.

Paper No: GTP-19-1411

DOI: https://doi.org/10.1115/1.4045277

Published Online: November 27, 2019

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Topics: Bearings, Design, Stress, Thrust, Pressure, Rotors, Generators, Magnetic bearings, Engineering prototypes, Transfer functions

Journal Articles

Fan Flow Field in an Installed Variable Pitch Fan Operating in Reverse Thrust for a Range of Aircraft Landing Speeds

David John Rajendran, Vassilios Pachidis

J. Eng. Gas Turbines Power. October 2019, 141(10): 101018.

Paper No: GTP-19-1333

DOI: https://doi.org/10.1115/1.4044686

Published Online: September 20, 2019

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Topics: Flow (Dynamics), Engines, Thrust, Aircraft

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

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Manuscript

Comparative Analysis of Infrared Signatures of Turbofan Engine Exhaust System with Or Without Afterburning

System-Level Assessment of a Partially Distributed Hybrid Electric Propulsion System

A New Approach to Estimate Particulate Matter Emissions From Ground Certification Data: The nvPM Mission Emissions Estimation Methodology

Estimation of Resultant Airframe Forces for a Variable Pitch Fan Operating in Reverse Thrust Mode

Assessment of Performance Boundaries and Operability of Low Specific Thrust GUHBPR Engines for EIS2025

The Influence of Ambient Pressure on the Measured Load Capacity of Bump-Foil and Spiral-Groove Gas Thrust Bearings at Ambient Pressures up to 69 Bar on a Novel High-Pressure Gas Bearing Test Rig

On the Use of an Inflatable Rubber Lip to Improve the Reverse Thrust Flow Field in a Variable Pitch Fan

Investigating the Influence of Impeller Axial Thrust Balance Holes on the Flow and Overall Performance of a Cryogenic Liquid Turbine Expander

Additively Manufactured Compliant Hybrid Gas Thrust Bearing for Supercritical Carbon Dioxide Turbomachinery: Experimental Evaluation and Fluid–Structure Model Predictions

Additively Manufactured Compliant Hybrid Gas Thrust Bearing for Supercritical Carbon Dioxide Turbomachinery: Design and Proof of Concept Testing

Static Performance of a Hydrostatic Thrust Foil Bearing for Large Scale Oil-Free Turbomachines

Novel Approach for Optical Characterization of Thrust Collar Lubricated Area: Experimental and Numerical Results

Design, Analysis, and Manufacture of an Axial Length-Saving Disk-Oriented Engine

Boundary Layer Ingestion Propulsion: A Review on Numerical Modeling

A Computational Model for the Analysis of the Static Forced Performance of Self-Equalizing Tilting Pad Thrust Bearings

The Effect of Rated Climb Performance on Low Cycle Fatigue of a Civil Turbojet Engine

Modeling Geared Turbofan and Open Rotor Engine Performance for Year-2050 Long-Range and Short-Range Aircraft

Design and Prototype Test Data for a 300 kW Active Magnetic Bearings-Supported Turbine Generator for Natural Gas Pressure Letdown

Fan Flow Field in an Installed Variable Pitch Fan Operating in Reverse Thrust for a Range of Aircraft Landing Speeds

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

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