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Proceedings Papers

Leakage Characteristics of a Stepped Balance Piston Labyrinth Seal in Supercritical CO2

Jason Wilkes, Natalie R. Smith, Karl Wygant, Abhay Patil, Chris Kulhanek
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A023, June 13–17, 2022
Paper No: GT2022-83262
DOI: https://doi.org/10.1115/GT2022-83262
View Paper titled, Leakage Characteristics of a Stepped Balance Piston Labyrinth Seal in Supercritical CO2
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Topics: Leakage, Pistons, Supercritical carbon dioxide, Thrust, Aerodynamics, Clearances (Engineering), Compressors, Computational fluid dynamics, Fluid-dynamic forces, Pressure
Proceedings Papers

Analysis of Ultra-High Bypass Ratio Turbofan Nacelle Geometries With Conventional and Short Intakes at Take-Off and Cruise

Andrea Magrini, Denis Bousi, Ernesto Benini
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT33A005, June 13–17, 2022
Paper No: GT2022-81912
DOI: https://doi.org/10.1115/GT2022-81912
View Paper titled, Analysis of Ultra-High Bypass Ratio Turbofan Nacelle Geometries With Conventional and Short Intakes at Take-Off and Cruise
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Topics: Turbofans, Drag (Fluid dynamics), Engines, Flow (Dynamics), Pressure, Weight (Mass), Diffusion (Physics), Exhaust systems, Rotors, Separation (Technology)
Proceedings Papers

Stress Blended Eddy Simulations for Hydrogen-Air Rotating Detonation Engine With Wall Heat Transfer

Hossam A. Elasrag, Timothy Gallagher, Brent A. Rankin, S. Alexander Schumaker
Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A033, June 13–17, 2022
Paper No: GT2022-81152
DOI: https://doi.org/10.1115/GT2022-81152
View Paper titled, Stress Blended Eddy Simulations for Hydrogen-Air Rotating Detonation Engine With Wall Heat Transfer
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Topics: Eddies (Fluid dynamics), Engineering simulation, Engines, Explosions, Heat transfer, Hydrogen, Simulation, Stress, Waves, Heat
Proceedings Papers

Using Blade Surface Heat Transfer for Partial Intercooling and Thrust Augmentation

Anthony J. Gannon, Thomas Morgan, Walter C. Smith, Garth V. Hobson
Proc. ASME. GT2022, Volume 4: Cycle Innovations; Cycle Innovations: Energy Storage, V004T06A026, June 13–17, 2022
Paper No: GT2022-82744
DOI: https://doi.org/10.1115/GT2022-82744
View Paper titled, Using Blade Surface Heat Transfer for Partial Intercooling and Thrust Augmentation
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Topics: Blades, Gas turbines, Heat transfer, Thrust, Heat, Compressors, Aircraft, Aviation, Engines, Flow (Dynamics)
Proceedings Papers

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

David John Rajendran, Richard Tunstall, Vassilios Pachidis
Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T01A024, June 13–17, 2022
Paper No: GT2022-82446
DOI: https://doi.org/10.1115/GT2022-82446
View Paper titled, Estimation of Resultant Airframe Forces for a Variable Pitch Fan Operating in Reverse Thrust Mode
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Topics: Flow (Dynamics), Thrust
Proceedings Papers

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

Smruti Sahoo, Mavroudis D. Kavvalos, Dimitra Eirini Diamantidou, Konstantinos G. Kyprianidis
Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T01A018, June 13–17, 2022
Paper No: GT2022-81917
DOI: https://doi.org/10.1115/GT2022-81917
View Paper titled, System-Level Assessment of a Partially Distributed Hybrid Electric Propulsion System
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Topics: Electric propulsion, Aircraft, Design, Propulsion systems, Batteries, Fuels, Aviation, Electrical components, Engineering disciplines, Engines
Proceedings Papers

Thrust Force Measurements in an Axial Steam Turbine Test Rig: Effect of Disk Balance Holes

Diganta Narzary, David Stasenko, Nikhil Rao
Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A010, June 7–11, 2021
Paper No: GT2021-59242
DOI: https://doi.org/10.1115/GT2021-59242
View Paper titled, Thrust Force Measurements in an Axial Steam Turbine Test Rig: Effect of Disk Balance Holes
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Topics: Disks, Force measurement, Steam turbines, Thrust, Pressure, Cavities, Rotors, Stators, Airfoils, Axial flow
Proceedings Papers

Optically Observed Turbulence In Thrust Collars at Low Critical Reynolds Number Including Numerical Predictions

Thomas Kerr, Adolfo Delgado
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A026, June 7–11, 2021
Paper No: GT2021-60360
DOI: https://doi.org/10.1115/GT2021-60360
View Paper titled, Optically Observed Turbulence In Thrust Collars at Low Critical Reynolds Number Including Numerical Predictions
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Topics: Reynolds number, Thrust, Turbulence, Stress, Computational fluid dynamics, Bearings, Flow (Dynamics), Modeling, Particle spin, Rotation
Proceedings Papers

Influence of Yawed Wind Flow on the Blade Forces/Bending Moments and Blade Elastic Torsion for an Axial-Flow Wind Turbine

Mohammad H. B. Ahmadi, Zhiyin Yang
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T40A004, June 7–11, 2021
Paper No: GT2021-60237
DOI: https://doi.org/10.1115/GT2021-60237
View Paper titled, Influence of Yawed Wind Flow on the Blade Forces/Bending Moments and Blade Elastic Torsion for an Axial-Flow Wind Turbine
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Topics: Axial flow, Blades, Flow (Dynamics), Torsion, Wind, Wind turbines, Risk-based maintenance, Rotors, Actuators, Horizontal axis wind turbines
Proceedings Papers

On the Shaft Speed Selection of Parallel Hybrid Aero Engines

Michael Sielemann, Jesse Gohl, Xin Zhao, Konstantinos Kyprianidis, Giorgio Valente, Sharmila Sumsurooah
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T01A014, June 7–11, 2021
Paper No: GT2021-59500
DOI: https://doi.org/10.1115/GT2021-59500
View Paper titled, On the Shaft Speed Selection of Parallel Hybrid Aero Engines
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Topics: Aircraft, Aircraft engines, Cooling, Design, Drag (Fluid dynamics), Electric propulsion, Electricity (Physics), Fuel consumption, Gas turbines, Mach number
Proceedings Papers

Design and Analysis of an Aircraft Thermal Management System Linked to a Low-Bypass Ratio Turbofan Engine

Robert A. Clark, Mingxuan Shi, Jonathan Gladin, Dimitri Mavris
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T01A006, June 7–11, 2021
Paper No: GT2021-58942
DOI: https://doi.org/10.1115/GT2021-58942
View Paper titled, Design and Analysis of an Aircraft Thermal Management System Linked to a Low-Bypass Ratio Turbofan Engine
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Topics: Aircraft, Design, Engines, Thermal management, Turbofans, Stress, Cooling, Cycles, Heat, Flow (Dynamics)
Proceedings Papers

Fan-Intake Coupling With Conventional and Short Intakes

E. J. Gunn, T. Brandvik, M. J. Wilson
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T01A003, June 7–11, 2021
Paper No: GT2021-58829
DOI: https://doi.org/10.1115/GT2021-58829
View Paper titled, Fan-Intake Coupling With Conventional and Short Intakes
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Topics: Annulus, Boundary layers, Computational fluid dynamics, Design, Diffusion (Physics), Drag (Fluid dynamics), Engineering simulation, Engines, Fans, Flow (Dynamics)
Proceedings Papers

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
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T01A015, June 7–11, 2021
Paper No: GT2021-59526
DOI: https://doi.org/10.1115/GT2021-59526
View Paper titled, On the Use of an Inflatable Rubber Lip to Improve the Reverse Thrust Flow Field in a Variable Pitch Fan
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Topics: Flow (Dynamics), Rubber, Separation (Technology), Thrust
Proceedings Papers

Numerical Investigation of Axial Thrust Control in a Multistage Canned-Motor Pump With Pump-Out-Vanes

Yintao Wang, Min Zhang, Abhay Patil, Gerald Morrison
Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A012, June 7–11, 2021
Paper No: GT2021-59119
DOI: https://doi.org/10.1115/GT2021-59119
View Paper titled, Numerical Investigation of Axial Thrust Control in a Multistage Canned-Motor Pump With Pump-Out-Vanes
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Topics: Centrifugal pumps, Engines, Motors, Pumps, Simulation, Thrust
Proceedings Papers

Intercooler Parametric Analysis for the IRA Engine Cycle Performance Augmentation

Emmanouil Alexiou, Zinon Vlahostergios, Christina Salpingidou, Fabian Donus, Dimitrios Misirlis, Kyros Yakinthos
Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T06A006, June 7–11, 2021
Paper No: GT2021-59187
DOI: https://doi.org/10.1115/GT2021-59187
View Paper titled, Intercooler Parametric Analysis for the IRA Engine Cycle Performance Augmentation
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Topics: Cycles, Engines, Aircraft engines, Design, Compressors, Fuel consumption, Heat exchangers, Combustion chambers, Emissions, Exhaust systems
Proceedings Papers

Research on Damping Vibration Reduction Design Method of Aeroengine Supporting Structure System

Chao Li, Binglong Lei, Yanhong Ma, Jie Hong
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A043, September 21–25, 2020
Paper No: GT2020-16316
DOI: https://doi.org/10.1115/GT2020-16316
View Paper titled, Research on Damping Vibration Reduction Design Method of Aeroengine Supporting Structure System
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Topics: Damping, Design methodology, Dry friction, Vibration, Dampers, Design, Friction, Engines, Modeling, Rotors
Proceedings Papers

Investigations of Unsteady Aerodynamics of an Offshore Floating Wind Turbine With Platform Motions Using Dual-Sliding Method

Xiaodong Wang, Zhaoliang Ye, Ziwen Chen, Yize Guo, Yujun Qiao
Proc. ASME. GT2020, Volume 12: Wind Energy, V012T42A002, September 21–25, 2020
Paper No: GT2020-14350
DOI: https://doi.org/10.1115/GT2020-14350
View Paper titled, Investigations of Unsteady Aerodynamics of an Offshore Floating Wind Turbine With Platform Motions Using Dual-Sliding Method
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Topics: Aerodynamics, Floating wind turbines, Wind turbines, Engineering simulation, Simulation, Blades, Boundary element methods, Rotors, Airfoils, Computational fluid dynamics
Proceedings Papers

High-Fidelity Calculation of Floating Offshore Wind Turbines Under Pitching Motion

Andrea Ortolani, Giacomo Persico, Jernej Drofelnik, Adrian Jackson, M. Sergio Campobasso
Proc. ASME. GT2020, Volume 12: Wind Energy, V012T42A012, September 21–25, 2020
Paper No: GT2020-15552
DOI: https://doi.org/10.1115/GT2020-15552
View Paper titled, High-Fidelity Calculation of Floating Offshore Wind Turbines Under Pitching Motion
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Topics: Floating wind turbines, Rotors, Computational fluid dynamics, Blades, Wakes, Aerodynamics, Engineering simulation, Simulation, Stress, Turbines
Proceedings Papers

Reynolds and Mach Number Effects on the Flow in a Low-Pressure Turbine

Maxime Fiore
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A004, September 21–25, 2020
Paper No: GT2020-14325
DOI: https://doi.org/10.1115/GT2020-14325
View Paper titled, Reynolds and Mach Number Effects on the Flow in a Low-Pressure Turbine
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Topics: Flow (Dynamics), Mach number, Pressure, Turbines, Blades, Boundary layers, Gas turbines, Kinetic energy, Nozzle guide vanes, Reynolds number
Proceedings Papers

Fan Aerodynamics With a Short Intake at High Angle of Attack

Ben Mohankumar, Cesare A. Hall, Mark J. Wilson
Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A076, September 21–25, 2020
Paper No: GT2020-16296
DOI: https://doi.org/10.1115/GT2020-16296
View Paper titled, Fan Aerodynamics With a Short Intake at High Angle of Attack
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Topics: Aerodynamics, Aircraft, Annulus, Computational fluid dynamics, Design, Diffusion (Physics), Engines, Flow (Dynamics), Fuels, Mach number