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Proceedings Papers

Numerical Investigation of the Local Thermo-Chemical State in a Thermo-Acoustically Unstable Dual Swirl Gas Turbine Model Combustor

T. Jeremy P. Karpowski, Federica Ferraro, Matthias Steinhausen, Sebastian Popp, Christoph M. Arndt, Christian Kraus, Henning Bockhorn, Wolfgang Meier, Christian Hasse
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A056, June 13–17, 2022
Paper No: GT2022-83810
https://doi.org/10.1115/GT2022-83810
View Paper titled, Numerical Investigation of the Local Thermo-Chemical State in a Thermo-Acoustically Unstable Dual Swirl Gas Turbine Model Combustor
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Topics: Acoustics, Combustion chambers, Gas turbines, Flames, Oscillations, Cycles, Delays, Enthalpy, Heat losses, Accounting
Proceedings Papers

Design of an Additively Manufactured Recuperator With 800 °C Inlet Temperature for sCO2 Power Cycle Application

Michael Marshall, Meysam Akbari, Ji-Cheng Zhao, Kevin Hoopes
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A015, June 13–17, 2022
Paper No: GT2022-82301
https://doi.org/10.1115/GT2022-82301
View Paper titled, Design of an Additively Manufactured Recuperator With 800 °C Inlet Temperature for sCO2 Power Cycle Application
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Topics: Additive manufacturing, Design, Temperature, Thermodynamic power cycles, Flow (Dynamics), Heat transfer, Lasers, Containment, Creep, Heat exchangers
Proceedings Papers

Investigation of Gas Turbine Internal Cooling Using Supercritical CO2 – Effect of Surface Roughness and Channel Aspect Ratio

Arnab Roy, Matthew Searle, Sridharan Ramesh, Douglas Straub
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A026, June 13–17, 2022
Paper No: GT2022-83319
https://doi.org/10.1115/GT2022-83319
View Paper titled, Investigation of Gas Turbine Internal Cooling Using Supercritical CO2 – Effect of Surface Roughness and Channel Aspect Ratio
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Topics: Cooling, Gas turbines, Supercritical carbon dioxide, Surface roughness, Reynolds number, Additive manufacturing, Computational fluid dynamics, Heat transfer, Flow (Dynamics), Fluids
Proceedings Papers

Experimental and Numerical Investigation of Effect of Inclination on sCO 2 Heat Transfer in a Circular Pipe

Emmanuel Gabriel-Ohanu, Alok Shah, Akshay Khadse, Erik Fernandez, Jayanta S. Kapat
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A028, June 13–17, 2022
Paper No: GT2022-83412
https://doi.org/10.1115/GT2022-83412
View Paper titled, Experimental and Numerical Investigation of Effect of Inclination on sCO 2 Heat Transfer in a Circular Pipe
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Topics: Buoyancy, Gravity (Force), Heat transfer, Pipes, Supercritical carbon dioxide
Proceedings Papers

Investigation of a High-Pressure Turbine Stage in a High-Speed Rotating Transient Test Facility for Rotor Tip Study and a Parametric Study for Improved Heat Transfer Calculation

Deepanshu Singh, Paul F. Beard, David Cardwell, Kam S. Chana
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A005, June 13–17, 2022
Paper No: GT2022-80388
https://doi.org/10.1115/GT2022-80388
View Paper titled, Investigation of a High-Pressure Turbine Stage in a High-Speed Rotating Transient Test Facility for Rotor Tip Study and a Parametric Study for Improved Heat Transfer Calculation
Open the PDF for Investigation of a High-Pressure Turbine Stage in a High-Speed Rotating Transient Test Facility for Rotor Tip Study and a Parametric Study for Improved Heat Transfer Calculation in another window
Topics: Heat transfer, High pressure (Physics), Rotors, Test facilities, Transients (Dynamics), Turbines, Nozzle guide vanes, Gages, Heat flux, Temperature profiles
Proceedings Papers

Vortical Structures and Loss Mechanism of Tip Leakage Flow In Subsonic and Transonic Turbine Stages

P. H. Duan, L. He
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A032, June 13–17, 2022
Paper No: GT2022-83473
https://doi.org/10.1115/GT2022-83473
View Paper titled, Vortical Structures and Loss Mechanism of Tip Leakage Flow In Subsonic and Transonic Turbine Stages
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Topics: Leakage flows, Turbines, Flow (Dynamics), Cavities, Vortices, Leakage, Platform supply vessels, Pressure, Cascades (Fluid dynamics), Heat transfer
Proceedings Papers

A Review of High-Speed Rotating HP Turbine Heat Transfer and Cooling Studies Over the Last Decade in the Oxford Turbine Research Facility

Chiara Falsetti, Paul F. Beard, David N. Cardwell, Kam S. Chana
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A016, June 13–17, 2022
Paper No: GT2022-81945
https://doi.org/10.1115/GT2022-81945
View Paper titled, A Review of High-Speed Rotating HP Turbine Heat Transfer and Cooling Studies Over the Last Decade in the Oxford Turbine Research Facility
Open the PDF for A Review of High-Speed Rotating HP Turbine Heat Transfer and Cooling Studies Over the Last Decade in the Oxford Turbine Research Facility in another window
Topics: Combustion chambers, Cooling, Heat transfer, Turbines
Proceedings Papers

Vortex Unsteadiness in the Endwall Region of a High-Lift Low-Pressure Turbine Passage

Christopher R. Marks, Nathan Fletcher, Rolf Sondergaard
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A003, June 13–17, 2022
Paper No: GT2022-79335
https://doi.org/10.1115/GT2022-79335
View Paper titled, Vortex Unsteadiness in the Endwall Region of a High-Lift Low-Pressure Turbine Passage
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Topics: Pressure, Turbines, Vortices, Flow (Dynamics), Junctions, Blades, Cascades (Fluid dynamics), Fluctuations (Physics), Suction, Heat transfer
Proceedings Papers

Multi Operating Point Aerodynamic Optimization of a Radial Compressor Impeller for an Application in High Temperature Heat Pump

Robert Schaffrath, Maximilian Kriese, Bojan Kajasa, Martino Köhler, Eberhard Nicke, Christian Voß
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT34A011, June 13–17, 2022
Paper No: GT2022-82130
https://doi.org/10.1115/GT2022-82130
View Paper titled, Multi Operating Point Aerodynamic Optimization of a Radial Compressor Impeller for an Application in High Temperature Heat Pump
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Topics: Compressor impellers, Heat pumps, High temperature, Optimization, Compressors, Geometry, Pressure, Computational fluid dynamics, Design, Economics
Proceedings Papers

Design Optimization of Blade Tip in Subsonic and Transonic Turbine Stages - Part II: Flow Physics and Augmented Aerothermal Integral Objective Function

Penghao Duan, Li He
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT34A023, June 13–17, 2022
Paper No: GT2022-83467
https://doi.org/10.1115/GT2022-83467
View Paper titled, Design Optimization of Blade Tip in Subsonic and Transonic Turbine Stages - Part II: Flow Physics and Augmented Aerothermal Integral Objective Function
Open the PDF for Design Optimization of Blade Tip in Subsonic and Transonic Turbine Stages - Part II: Flow Physics and Augmented Aerothermal Integral Objective Function in another window
Topics: Blades, Design, Flow (Dynamics), Optimization, Physics, Turbines, Cavities, Heat transfer, Vortices, Platform supply vessels
Proceedings Papers

Design Optimization of Blade Tip in Subsonic and Transonic Turbine Stages - Part I: Stage Design and Preliminary Tip Optimization

P. H. Duan, L. He
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT34A020, June 13–17, 2022
Paper No: GT2022-83050
https://doi.org/10.1115/GT2022-83050
View Paper titled, Design Optimization of Blade Tip in Subsonic and Transonic Turbine Stages - Part I: Stage Design and Preliminary Tip Optimization
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Topics: Blades, Design, Optimization, Turbines, Flow (Dynamics), Rotors, Heat transfer, Mach number, Heat, Stress
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
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

Development of an Open-Source Autonomous CFD Meta-Modeling Environment for Small-Scale Combustor Optimization – Part II

Alejandro M. Briones, Brent A. Rankin
Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A008, June 13–17, 2022
Paper No: GT2022-78586
https://doi.org/10.1115/GT2022-78586
View Paper titled, Development of an Open-Source Autonomous CFD Meta-Modeling Environment for Small-Scale Combustor Optimization – Part II
Open the PDF for Development of an Open-Source Autonomous CFD Meta-Modeling Environment for Small-Scale Combustor Optimization – Part II in another window
Topics: Combustion chambers, Computational fluid dynamics, Evolutionary algorithms, Heat transfer, Metamodeling, Optimization
Proceedings Papers

Assessment of a Conjugate Heat Transfer Method on an Effusion Cooled Combustor Operated With a Swirl Stabilized Partially Premixed Flame

A. Amerini, S. Paccati, L. Mazzei, A. Andreini
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT11A001, June 13–17, 2022
Paper No: GT2022-81345
https://doi.org/10.1115/GT2022-81345
View Paper titled, Assessment of a Conjugate Heat Transfer Method on an Effusion Cooled Combustor Operated With a Swirl Stabilized Partially Premixed Flame
Open the PDF for Assessment of a Conjugate Heat Transfer Method on an Effusion Cooled Combustor Operated With a Swirl Stabilized Partially Premixed Flame in another window
Topics: Combustion chambers, Flames, Heat transfer, Physics, Simulation, Computational fluid dynamics, Cooling systems, Heat, Collaboration, Cooling
Proceedings Papers

Sensitivity of Adiabatic Cooling Effectiveness to Mainstream and Coolant Temperatures in Transonic Flow Over an Idealized Blade Tip Model

Haiteng Ma, Wei Zeng, Siming Dai, Hongmei Jiang
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A034, June 13–17, 2022
Paper No: GT2022-82778
https://doi.org/10.1115/GT2022-82778
View Paper titled, Sensitivity of Adiabatic Cooling Effectiveness to Mainstream and Coolant Temperatures in Transonic Flow Over an Idealized Blade Tip Model
Open the PDF for Sensitivity of Adiabatic Cooling Effectiveness to Mainstream and Coolant Temperatures in Transonic Flow Over an Idealized Blade Tip Model in another window
Topics: Adiabatic cooling, Blades, Coolants, Film cooling, Heat transfer, Temperature, Transients (Dynamics), Transonic flow, Turbines
Proceedings Papers

Evaluation of Adjoint Optimized Hole - Part II: Parameter Effects on Performance

Christopher Yoon, Daniel Gutierrez, Michael T. Furgeson, David G. Bogard
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A031, June 13–17, 2022
Paper No: GT2022-82726
https://doi.org/10.1115/GT2022-82726
View Paper titled, Evaluation of Adjoint Optimized Hole - Part II: Parameter Effects on Performance
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Topics: Computation, Cross-flow, Density, Design, Engines, Film cooling, Flow (Dynamics), Fluid mechanics, Gas turbines, Heat transfer
Proceedings Papers

Computational and Experimental Study of Film-Cooling Effectiveness With and Without Downstream Vortex Generators

Chien-Shing Lee, Tom I-P. Shih, Douglas Straub, Justin Weber, Edward Robey
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A030, June 13–17, 2022
Paper No: GT2022-82675
https://doi.org/10.1115/GT2022-82675
View Paper titled, Computational and Experimental Study of Film-Cooling Effectiveness With and Without Downstream Vortex Generators
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Topics: Film cooling, Generators, Vortices, Flow (Dynamics), Cooling, Heat transfer, Temperature, Computation, Flat plates, Plates (structures)
Proceedings Papers

Crossflow Effect on Heat Transfer and Flow Characteristics of Simplified Double Wall Cooling Structure

Juan He, Qinghua Deng, Kun Xiao, Zhenping Feng
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A033, June 13–17, 2022
Paper No: GT2022-82769
https://doi.org/10.1115/GT2022-82769
View Paper titled, Crossflow Effect on Heat Transfer and Flow Characteristics of Simplified Double Wall Cooling Structure
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Topics: Cooling, Flow (Dynamics), Heat transfer
Proceedings Papers

Effect of Inlet Preswirl on the Film Cooling Characteristics of Turbine Vane Surface

Xinnan Chen, Zhigang Li, Jun Li, Qingzong Xu, Qiang Du
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A032, June 13–17, 2022
Paper No: GT2022-82755
https://doi.org/10.1115/GT2022-82755
View Paper titled, Effect of Inlet Preswirl on the Film Cooling Characteristics of Turbine Vane Surface
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Topics: Film cooling, Heat transfer, Turbines
Proceedings Papers

Multi-Parameters Sensitivity Analysis of Overall Cooling Effectiveness on Turbine Blade and Numerical Investigation of Internal Cooling Structures on Heat Transfer

Runzhou Liu, Haiwang Li, Ruquan You, Zhi Tao
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A026, June 13–17, 2022
Paper No: GT2022-82372
https://doi.org/10.1115/GT2022-82372
View Paper titled, Multi-Parameters Sensitivity Analysis of Overall Cooling Effectiveness on Turbine Blade and Numerical Investigation of Internal Cooling Structures on Heat Transfer
Open the PDF for Multi-Parameters Sensitivity Analysis of Overall Cooling Effectiveness on Turbine Blade and Numerical Investigation of Internal Cooling Structures on Heat Transfer in another window
Topics: Cooling, Heat transfer, Sensitivity analysis, Turbine blades