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Journal Articles

Novel Unmanned Aircraft System Propeller Design—Part 1: Using an Unloaded Tip to Reduce Power Requirements and Lower Generated Sound Levels for Propellers Designed for Minimum Induced Drag

Charles Wisniewski, Kenneth Van Treuren

J. Eng. Gas Turbines Power. February 2023, 145(2): 021026.

Paper No: GTP-22-1386

DOI: https://doi.org/10.1115/1.4056015

Published Online: December 5, 2022

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Topics: Design, Propellers, Sound pressure, Drag (Fluid dynamics)

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

A Robust Procedure to Implement Dynamic Stall Models Into Actuator Line Methods for the Simulation of Vertical-Axis Wind Turbines

Pier Francesco Melani, Francesco Balduzzi, Alessandro Bianchini

J. Eng. Gas Turbines Power. November 2021, 143(11): 111008.

Paper No: GTP-21-1279

DOI: https://doi.org/10.1115/1.4051909

Published Online: September 27, 2021

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Topics: Actuators, Airfoils, Blades, Computational fluid dynamics, Flow (Dynamics), Rotors, Simulation, Turbines, Vertical axis wind turbines, Drag (Fluid dynamics)

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

J. Eng. Gas Turbines Power. April 2021, 143(4): 041019.

Paper No: GTP-20-1726

DOI: https://doi.org/10.1115/1.4049890

Published Online: February 26, 2021

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Topics: Dampers, Drag (Fluid dynamics), Fluids, Leakage, Rotors, Stators, Stiffness, Damping, Numerical analysis, Flow (Dynamics)

Journal Articles

Combined Numerical and Experimental Study on the Use of Gurney Flaps for the Performance Enhancement of NACA0021 Airfoil in Static and Dynamic Conditions

Francesco Balduzzi, David Holst, Pier Francesco Melani, Felix Wegner, Christian Navid Nayeri, Giovanni Ferrara, Christian Oliver Paschereit, Alessandro Bianchini

J. Eng. Gas Turbines Power. February 2021, 143(2): 021004.

Paper No: GTP-20-1410

DOI: https://doi.org/10.1115/1.4048908

Published Online: January 13, 2021

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Topics: Airfoils, Blades, Computational fluid dynamics, Wind tunnels, Drag (Fluid dynamics), Flow (Dynamics), Vertical axis wind turbines, Reynolds number, Simulation

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

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

A Comparison of Static and Rotordynamic Characteristics for Two Types of Liquid Annular Seals With Parallelly Grooved Stator/Rotor

Zhigang Li, Zhi Fang, Jun Li

J. Eng. Gas Turbines Power. September 2020, 142(9): 091012.

Paper No: GTP-20-1025

DOI: https://doi.org/10.1115/1.4048144

Published Online: August 31, 2020

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Topics: Damping, Pressure drop, Rotors, Stiffness, Whirls, Leakage flows, Fluids, Stators, Transients (Dynamics), Drag (Fluid dynamics)

Journal Articles

Effect of Pad and Liner Material Properties on the Static Load Performance of a Tilting Pad Thrust Bearing

Rasool Koosha, Luis San Andrés

J. Eng. Gas Turbines Power. December 2019, 141(12): 121007.

Paper No: GTP-19-1510

DOI: https://doi.org/10.1115/1.4045278

Published Online: November 11, 2019

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Topics: Bearings, Fluid films, Polymers, Rotors, Steel, Stress, Temperature, Deformation, Turbulence, Flow (Dynamics)

Journal Articles

A Multidimensional Extension of Balje Chart for Axial Flow Turbomachinery Using Artificial Intelligence-Based Meta-Models

Gino Angelini, Alessandro Corsini, Giovanni Delibra, Lorenzo Tieghi

J. Eng. Gas Turbines Power. November 2019, 141(11): 111012.

Paper No: GTP-19-1439

DOI: https://doi.org/10.1115/1.4044935

Published Online: October 16, 2019

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Topics: Axial flow, Blades, Cascades (Fluid dynamics), Design, Principal component analysis, Turbomachinery, Fans, Flow (Dynamics), Artificial neural networks, Chords (Trusses)

Journal Articles

Analysis of Counter-Rotating Roller Bearing in Different Mounting Configurations

Wenjun Gao, Daniel Nelias, Zhenxia Liu

J. Eng. Gas Turbines Power. August 2019, 141(8): 081008.

Paper No: GTP-18-1023

DOI: https://doi.org/10.1115/1.4043216

Published Online: April 3, 2019

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Topics: Bearings, Deformation, Roller bearings, Rollers, Rotation, Stress, Drag (Fluid dynamics), Heat

Journal Articles

Experimental Analysis of a NACA 0021 Airfoil Section Through 180-Deg Angle of Attack at Low Reynolds Numbers for Use in Wind Turbine Analysis

D. Holst, B. Church, G. Pechlivanoglou, E. Tüzüner, J. Saverin, C. N. Nayeri, C. O. Paschereit

J. Eng. Gas Turbines Power. April 2019, 141(4): 041012.

Paper No: GTP-18-1576

DOI: https://doi.org/10.1115/1.4041651

Published Online: November 19, 2018

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Topics: Airfoils, Pressure, Reynolds number, Wind turbines, Experimental analysis, Wind tunnels, Drag (Fluid dynamics)

Journal Articles

Experimental Analysis of a NACA 0021 Airfoil Under Dynamic Angle of Attack Variation and Low Reynolds Numbers

D. Holst, B. Church, F. Wegner, G. Pechlivanoglou, C. N. Nayeri, C. O. Paschereit

J. Eng. Gas Turbines Power. March 2019, 141(3): 031020.

Paper No: GTP-18-1434

DOI: https://doi.org/10.1115/1.4041146

Published Online: October 17, 2018

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Topics: Airfoils, Flow (Dynamics), Pressure, Reynolds number, Drag (Fluid dynamics), Experimental analysis

Journal Articles

A Thermoelastohydrodynamic Analysis for the Static Performance of High-Speed—Heavy Load Tilting-Pad Journal Bearing Operating in the Turbulent Flow Regime and Comparisons to Test Data

Hirotoshi Arihara, Yuki Kameyama, Yoshitaka Baba, Luis San Andrés

J. Eng. Gas Turbines Power. February 2019, 141(2): 021023.

Paper No: GTP-18-1445

DOI: https://doi.org/10.1115/1.4041130

Published Online: October 4, 2018

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Topics: Bearings, Deformation, Journal bearings, Pressure, Stress, Temperature, Turbulence, Flow (Dynamics), Laminar flow, Viscosity

Journal Articles

On the Leakage, Torque, and Dynamic Force Coefficients of Air in Oil (Wet) Annular Seal: A Computational Fluid Dynamics Analysis Anchored to Test Data

Luis San Andrés, Jing Yang, Xueliang Lu

J. Eng. Gas Turbines Power. February 2019, 141(2): 021008.

Paper No: GTP-18-1347

DOI: https://doi.org/10.1115/1.4040766

Published Online: September 21, 2018

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Topics: Computational fluid dynamics, Flow (Dynamics), Leakage, Rotors, Stiffness, Damping, Pressure, Clearances (Engineering), Excitation, Hardening

Journal Articles

Dynamic Similarity in Turbine Deposition Testing and the Role of Pressure

C. Sacco, C. Bowen, R. Lundgreen, J. P. Bons, E. Ruggiero, J. Allen, J. Bailey

J. Eng. Gas Turbines Power. October 2018, 140(10): 102605.

Paper No: GTP-17-1475

DOI: https://doi.org/10.1115/1.4038550

Published Online: July 5, 2018

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Topics: Flow (Dynamics), Particulate matter, Pressure, Temperature, Reynolds number, Engines, Drag (Fluid dynamics)

Journal Articles

Investigation of Energy Loss on Fractional Deposition in Last Stages of Condensing Steam Turbine Due to Blade Shape and Moisture Droplet Size

Bidesh Sengupta, Chittatosh Bhattacharya

J. Eng. Gas Turbines Power. July 2018, 140(7): 072601.

Paper No: GTP-17-1214

DOI: https://doi.org/10.1115/1.4038544

Published Online: April 12, 2018

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Topics: Blades, Drops, Energy dissipation, Drag (Fluid dynamics), Steam turbines, Condensation, Pressure, Steam

Journal Articles

On the Influence of Lubricant Supply Conditions and Bearing Configuration to the Performance of (Semi) Floating Ring Bearing Systems for Turbochargers

Luis San Andrés, Feng Yu, Kostandin Gjika

J. Eng. Gas Turbines Power. March 2018, 140(3): 032503.

Paper No: GTP-17-1298

DOI: https://doi.org/10.1115/1.4037920

Published Online: October 17, 2017

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Topics: Bearings, Flow (Dynamics), Lubricants, Temperature, Heat, Pressure, Drag (Fluid dynamics), Turbochargers, Shear (Mechanics)

Journal Articles

Identifying Opportunities for Reducing Nacelle Drag

M. S. Zawislak, D. J. Cerantola, A. M. Birk

J. Eng. Gas Turbines Power. February 2018, 140(2): 021202.

Paper No: GTP-17-1350

DOI: https://doi.org/10.1115/1.4037864

Published Online: October 10, 2017

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Topics: Computational fluid dynamics, Drag (Fluid dynamics), Flow (Dynamics), Pressure, Suction

Journal Articles

Leakage, Drag Power, and Rotordynamic Force Coefficients of an Air in Oil (Wet) Annular Seal

Luis San Andrés, Xueliang Lu

J. Eng. Gas Turbines Power. January 2018, 140(1): 012505.

Paper No: GTP-17-1268

DOI: https://doi.org/10.1115/1.4037622

Published Online: September 19, 2017

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Topics: Clearances (Engineering), Damping, Drag (Fluid dynamics), Excitation, Flow (Dynamics), Leakage, Pressure, Stiffness, Whirls, Rotors

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Journal citation

NARROW

Novel Unmanned Aircraft System Propeller Design—Part 1: Using an Unloaded Tip to Reduce Power Requirements and Lower Generated Sound Levels for Propellers Designed for Minimum Induced Drag

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

A Robust Procedure to Implement Dynamic Stall Models Into Actuator Line Methods for the Simulation of Vertical-Axis Wind Turbines

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

Combined Numerical and Experimental Study on the Use of Gurney Flaps for the Performance Enhancement of NACA0021 Airfoil in Static and Dynamic Conditions

Boundary Layer Ingestion Propulsion: A Review on Numerical Modeling

Pumping Loss of Shrouded Meshed Spur Gears

A Comparison of Static and Rotordynamic Characteristics for Two Types of Liquid Annular Seals With Parallelly Grooved Stator/Rotor

Effect of Pad and Liner Material Properties on the Static Load Performance of a Tilting Pad Thrust Bearing

A Multidimensional Extension of Balje Chart for Axial Flow Turbomachinery Using Artificial Intelligence-Based Meta-Models

Analysis of Counter-Rotating Roller Bearing in Different Mounting Configurations

Experimental Analysis of a NACA 0021 Airfoil Section Through 180-Deg Angle of Attack at Low Reynolds Numbers for Use in Wind Turbine Analysis

Experimental Analysis of a NACA 0021 Airfoil Under Dynamic Angle of Attack Variation and Low Reynolds Numbers

A Thermoelastohydrodynamic Analysis for the Static Performance of High-Speed—Heavy Load Tilting-Pad Journal Bearing Operating in the Turbulent Flow Regime and Comparisons to Test Data

On the Leakage, Torque, and Dynamic Force Coefficients of Air in Oil (Wet) Annular Seal: A Computational Fluid Dynamics Analysis Anchored to Test Data

Dynamic Similarity in Turbine Deposition Testing and the Role of Pressure

Investigation of Energy Loss on Fractional Deposition in Last Stages of Condensing Steam Turbine Due to Blade Shape and Moisture Droplet Size

On the Influence of Lubricant Supply Conditions and Bearing Configuration to the Performance of (Semi) Floating Ring Bearing Systems for Turbochargers

Identifying Opportunities for Reducing Nacelle Drag

Leakage, Drag Power, and Rotordynamic Force Coefficients of an Air in Oil (Wet) Annular Seal

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