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Proceedings Papers

Performance Evaluation of Different Rotating Detonation Combustor Designs Using Simulations and Experiments

Piyush Raj, Shaon Talukdar, Joseph Meadows, Ajay Agrawal
Proc. ASME. GT2024, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A065, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129112
https://doi.org/10.1115/GT2024-129112
View Paper titled, Performance Evaluation of Different Rotating Detonation Combustor Designs Using Simulations and Experiments
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Topics: Combustion chambers, Engineering simulation, Engines, Explosions, Nozzles, Performance evaluation, Pressure, Simulation
Proceedings Papers

Performance Evaluation of a Direct Air-Cooled Supercritical Recompression Brayton Cycle Using CO 2 /n-Butane As the Working Fluid Operating Under Off-Design Conditions

Xurong Wang, Longwei Zhang, Jianhui Qi, Xiaowei Fan, Yiping Dai
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A001, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121685
https://doi.org/10.1115/GT2024-121685
View Paper titled, Performance Evaluation of a Direct Air-Cooled Supercritical Recompression Brayton Cycle Using CO 2 /n-Butane As the Working Fluid Operating Under Off-Design Conditions
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Topics: Brayton cycle, Carbon dioxide, Cycles, Design, Fluids, Performance evaluation, Supercritical carbon dioxide
Proceedings Papers

The Impact of Inflow Unsteadiness on Loss Prediction

Pawel J. Przytarski, Davide Lengani, Richard Sandberg
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A016, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127538
https://doi.org/10.1115/GT2024-127538
View Paper titled, The Impact of Inflow Unsteadiness on Loss Prediction
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Topics: Inflow, Pressure, Engineering simulation, Reynolds number, Simulation, Turbulence, Blades, Compressors, Design, Energy budget (Physics)
Proceedings Papers

NASA HECC Geometry and Performance Review Part 3: A Numerical and Experimental Investigation of Tip Clearance Effects on the Vaneless Diffuser Configuration

Herbert M. Harrison, Tammy Nguyen-Huynh, Randall M. Mathison
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT35A001, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121641
https://doi.org/10.1115/GT2024-121641
View Paper titled, NASA HECC Geometry and Performance Review Part 3: A Numerical and Experimental Investigation of Tip Clearance Effects on the Vaneless Diffuser Configuration
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Topics: Clearances (Engineering), Geometry, NASA, Performance evaluation, Vaneless diffusers
Proceedings Papers

NASA HECC Geometry and Performance Review Part 2: Geometric Differences Between the As-Manufactured and Design-Intent Impeller Geometry and Their Effects on the Vaneless Diffuser Configuration Performance

Gregorio Robles Vega, Alec J. Bosshart, Michael Ni, Ron-Ho Ni, Herbert M. Harrison, Tammy Nguyen-Huynh
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT35A012, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125360
https://doi.org/10.1115/GT2024-125360
View Paper titled, NASA HECC Geometry and Performance Review Part 2: Geometric Differences Between the As-Manufactured and Design-Intent Impeller Geometry and Their Effects on the Vaneless Diffuser Configuration Performance
Open the PDF for NASA HECC Geometry and Performance Review Part 2: Geometric Differences Between the As-Manufactured and Design-Intent Impeller Geometry and Their Effects on the Vaneless Diffuser Configuration Performance in another window
Topics: Design, Geometry, Impellers, NASA, Performance evaluation, Vaneless diffusers, Blades, Computer simulation, Clearances (Engineering), Compressors
Proceedings Papers

NASA HECC Geometry and Performance Review Part 1: Validation of a Computational Model for the Vaneless Diffuser Configuration With As-Manufactured Impeller Geometry

Gregorio Robles Vega, Alec J. Bosshart, Michael Ni, Ron-Ho Ni, Herbert M. Harrison, Tammy Nguyen-Huynh
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT35A011, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125128
https://doi.org/10.1115/GT2024-125128
View Paper titled, NASA HECC Geometry and Performance Review Part 1: Validation of a Computational Model for the Vaneless Diffuser Configuration With As-Manufactured Impeller Geometry
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Topics: Compressors, Computer simulation, Geometry, Impellers, NASA, Performance evaluation, Vaneless diffusers, Engineering simulation, Simulation, Computer-aided design
Proceedings Papers

Centrifugal Compressor Polytropic Performance Evaluation: Taher-Evans Methods

Matt Taher, B. F. Evans
Proc. ASME. GT2023, Volume 9: Microturbines, Turbochargers, and Small Turbomachines; Oil and Gas Applications, V009T19A016, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104213
https://doi.org/10.1115/GT2023-104213
View Paper titled, Centrifugal Compressor Polytropic Performance Evaluation: Taher-Evans Methods
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Topics: Compressors, Performance evaluation, Compression, Polynomials, Certainty, Energy dissipation, Enthalpy, Entropy, Equations of state, Numerical analysis
Proceedings Papers

Advanced Hydrogen Cycles to Help Decarbonize the Aviation Industry. Part 1: Development of Simulation & Modeling Toolsets

Jacopo Tacconi, Nicholas Grech
Proc. ASME. GT2023, Volume 1: Aircraft Engine, V001T01A030, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103505
https://doi.org/10.1115/GT2023-103505
View Paper titled, Advanced Hydrogen Cycles to Help Decarbonize the Aviation Industry. Part 1: Development of Simulation & Modeling Toolsets
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Topics: Aviation, Cycles, Hydrogen, Modeling, Simulation, Fuels, Aircraft, Combustion chambers, Hydrogen fuels, Storage
Proceedings Papers

Aerodynamic Impact of Secondary Air Injection Flowrates on the Main Annulus Flow Field and Performance for a Transonic High-Pressure Turbine Stage

Yoji Okita, Junichi Kazawa, Kazutaka Fuchigami, Takashi Yamane, Nozomi Tanaka, Hiroki Sato, Masaaki Hamabe, Haruyuki Tanimitsu
Proc. ASME. GT2023, Volume 13B: Turbomachinery — Axial Flow Turbine Aerodynamics, V13BT30A007, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101849
https://doi.org/10.1115/GT2023-101849
View Paper titled, Aerodynamic Impact of Secondary Air Injection Flowrates on the Main Annulus Flow Field and Performance for a Transonic High-Pressure Turbine Stage
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Topics: Annulus, Flow (Dynamics), High pressure (Physics), Turbines, Coolants, Rotors, Airfoils, Disks, Testing, Vortices
Proceedings Papers

Performance Evaluation of an Axial Compressor With Modified Blades Using Leading Edge Tubercles

Satpreet S. Sidhu, Asad Asghar, William D. E. Allan
Proc. ASME. GT2023, Volume 13A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V13AT29A022, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102056
https://doi.org/10.1115/GT2023-102056
View Paper titled, Performance Evaluation of an Axial Compressor With Modified Blades Using Leading Edge Tubercles
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Topics: Blades, Compressors, Performance evaluation, Flow control, Rotors, Shapes, Cascades (Fluid dynamics), Design, Electrical discharge machining, Finishing
Proceedings Papers

Liquid Rocket Engine Inducer Pump Design and Performance Evaluation

Igor de Oliveira, Cleverson Bringhenti, Jesuino T. Takachi, Ana Adalgiza Garcia Maia, Jayanta S. Kapat, Erik Fernandez
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT32A035, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103728
https://doi.org/10.1115/GT2023-103728
View Paper titled, Liquid Rocket Engine Inducer Pump Design and Performance Evaluation
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Topics: Design, Performance evaluation, Pumps, Rocket engines
Proceedings Papers

Performance Evaluation of Additively Manufactured and Hybrid Indexable Milling Tools in Machining of AISI4140+QT and Ti-6Al-4V

Tobias Kelliger, Markus Meurer, Thomas Bergs
Proc. ASME. GT2023, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V008T17A003, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100933
https://doi.org/10.1115/GT2023-100933
View Paper titled, Performance Evaluation of Additively Manufactured and Hybrid Indexable Milling Tools in Machining of AISI4140+QT and Ti-6Al-4V
Open the PDF for Performance Evaluation of Additively Manufactured and Hybrid Indexable Milling Tools in Machining of AISI4140+QT and Ti-6Al-4V in another window
Topics: Additive manufacturing, ASTM International, Machining, Milling, Performance evaluation
Proceedings Papers

Performance Assessment of Tesla Expander Using 3D Numerical Simulation

Avinash Renuke, Alberto Traverso
Proc. ASME. GT2022, Volume 4: Cycle Innovations; Cycle Innovations: Energy Storage, V004T06A024, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82690
https://doi.org/10.1115/GT2022-82690
View Paper titled, Performance Assessment of Tesla Expander Using 3D Numerical Simulation
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Topics: Computer simulation, Turbines, Flow (Dynamics), Rotors, Disks, Stators, Fluids, Bearings, Computational fluid dynamics, Computer software
Proceedings Papers

Numerical Investigation of an Automotive Axial Fan: A Comparison Among Different CFD Software Packages and Experimental Validation

Nicola Aldi, Nicola Casari, Stefano Oliani, Michele Pinelli, Enrico Mollica, Filippo Menichini
Proc. ASME. GT2022, Volume 5: Education; Electric Power; Fans and Blowers, V005T10A001, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-78066
https://doi.org/10.1115/GT2022-78066
View Paper titled, Numerical Investigation of an Automotive Axial Fan: A Comparison Among Different CFD Software Packages and Experimental Validation
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Topics: Computational fluid dynamics, Computer software, Fans, Flow (Dynamics), Axial flow, Fluid dynamics, Noise (Sound), Vehicles, Air flow, Engineering simulation
Proceedings Papers

Internal Aerodynamic Performance Evaluation of Double Entrance S-Duct Intake at Moderately High Subsonic Mach Number

Satpreet Sidhu, Asad Asghar, William D. E. Allan, R. A. Stowe, R. Pimentel
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T01A004, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58849
https://doi.org/10.1115/GT2021-58849
View Paper titled, Internal Aerodynamic Performance Evaluation of Double Entrance S-Duct Intake at Moderately High Subsonic Mach Number
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Topics: Ducts, Mach number, Performance evaluation, Pressure, Engines, Aircraft, Air flow, Aircraft propulsion, Computational fluid dynamics, Flow separation
Proceedings Papers

Evaluation of a Flow Measurement Probe Influence on the Flow Field in High Speed Axial Compressors

Ryosuke Seki, Satoshi Yamashita, Ryosuke Mito
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A001, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-01098
https://doi.org/10.1115/GT2021-01098
View Paper titled, Evaluation of a Flow Measurement Probe Influence on the Flow Field in High Speed Axial Compressors
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Topics: Compressors, Flow (Dynamics), Flow measurement, Probes, Stators, Pressure, Rotors, Approximation, Blades, Computational fluid dynamics
Proceedings Papers

Performance Evaluation of Leading Edge Tubercles Applied to the Blades in a 2-D Compressor Cascade

Satpreet S. Sidhu, Asad Asghar, William D. E. Allan
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A017, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58798
https://doi.org/10.1115/GT2021-58798
View Paper titled, Performance Evaluation of Leading Edge Tubercles Applied to the Blades in a 2-D Compressor Cascade
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Topics: Blades, Cascades (Fluid dynamics), Compressors, Performance evaluation, Flow visualization, Geometry, Mach number, Pressure, Aircraft engines, Design
Proceedings Papers

Centrifugal Compressor Polytropic Performance Evaluation Using Cubic Polynomial Approximation for the Temperature-Entropy Polytropic Path

Matt Taher, B. F. Evans
Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T20A016, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59678
https://doi.org/10.1115/GT2021-59678
View Paper titled, Centrifugal Compressor Polytropic Performance Evaluation Using Cubic Polynomial Approximation for the Temperature-Entropy Polytropic Path
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Topics: Compressors, Entropy, Performance evaluation, Polynomial approximation, Temperature, Approximation, Gases, Polynomials, Testing performance
Proceedings Papers

Off-Design Performance Comparison Between Single and Two-Shaft Engines: Part 1 — Fixed Geometry

Th. Nikolaidis, A. Pellegrini, H. I. H. Saravanamuttoo, I. Aslanidou, A. Kalfas, P. Pilidis
Proc. ASME. GT2020, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V008T17A003, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14500
https://doi.org/10.1115/GT2020-14500
View Paper titled, Off-Design Performance Comparison Between Single and Two-Shaft Engines: Part 1 — Fixed Geometry
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Topics: Design, Engines, Gas turbines, Geometry, Thermal efficiency, Shapes, Compressors, Stress, Cycles, Flow (Dynamics)
Proceedings Papers

Part Load Strategy Definition and Annual Simulation for Small Size sCO2 Based Pulverized Coal Power Plant

Dario Alfani, Marco Astolfi, Marco Binotti, Paolo Silva
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T31A014, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15541
https://doi.org/10.1115/GT2020-15541
View Paper titled, Part Load Strategy Definition and Annual Simulation for Small Size sCO2 Based Pulverized Coal Power Plant
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Topics: Coal power, Simulation, Stress, Design, Cycles, Casting, Computer simulation, Concentrating solar power, Heat recovery, High temperature