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Proceedings Papers

Crossflow Minimization for Jet Impingement Cooling Applications

Abdel Rahman Salem, Ibrahim Soliman, Ryoichi S. Amano
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT15A004, June 26–30, 2023
Paper No: GT2023-101162
https://doi.org/10.1115/GT2023-101162
View Paper titled, Crossflow Minimization for Jet Impingement Cooling Applications
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Topics: Heat transfer, Impingement cooling, Turbulence, Blades, Computational fluid dynamics, Cooling, Engines, Friction, Gas turbines, Heat flux
Proceedings Papers

Transient Heat Flux Budgeting on a High-Pressure Turbine

Jorge Saavedra, Francisco Lozano, Guillermo Paniagua
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT13A003, June 26–30, 2023
Paper No: GT2023-101446
https://doi.org/10.1115/GT2023-101446
View Paper titled, Transient Heat Flux Budgeting on a High-Pressure Turbine
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Topics: Computational fluid dynamics, Heat flux, High pressure (Physics), Transients (Dynamics), Turbines
Proceedings Papers

A New RANS Based Reynolds Stress and Turbulent Heat Flux Treatment and Challenges in Predictions of Mixed Convection Type of Flows

Oguzhan Murat, Budimir Rosic
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT14A016, June 26–30, 2023
Paper No: GT2023-103148
https://doi.org/10.1115/GT2023-103148
View Paper titled, A New RANS Based Reynolds Stress and Turbulent Heat Flux Treatment and Challenges in Predictions of Mixed Convection Type of Flows
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Topics: Flow (Dynamics), Heat flux, Mixed convection, Reynolds stress, Reynolds-averaged Navier–Stokes equations, Turbulence
Proceedings Papers

Robust Tip Gap Measurements: A Universal In-Situ Dynamic Calibration & Demonstration in a Two-Stage High-Speed Turbine

Antonio Castillo Sauca, Guillermo Paniagua Perez
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 4: Controls, Diagnostics, and Instrumentation, V004T05A005, June 26–30, 2023
Paper No: GT2023-101223
https://doi.org/10.1115/GT2023-101223
View Paper titled, Robust Tip Gap Measurements: A Universal In-Situ Dynamic Calibration & Demonstration in a Two-Stage High-Speed Turbine
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Topics: Calibration, Capacitance, Clearances (Engineering), Heat flux, Pressure, Sensors, Turbines
Proceedings Papers

Impact of Effusion Hole Exit Geometry on the Cooling Performance of TBC Coated Surfaces in a High Temperature Combustion Environment

Kevin Snyder, Matthew Boguszewski, Baki M. Cetegen
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 7A: Heat Transfer — Combustors; Film Cooling, V07AT12A010, June 26–30, 2023
Paper No: GT2023-102030
https://doi.org/10.1115/GT2023-102030
View Paper titled, Impact of Effusion Hole Exit Geometry on the Cooling Performance of TBC Coated Surfaces in a High Temperature Combustion Environment
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Topics: Combustion, Cooling, Geometry, High temperature, Temperature, Combustion chambers, Coolants, Plates (structures), Alloys, Carbon dioxide
Proceedings Papers

Experimental and Computational Heat Transfer Study of sCO 2 Single-Jet Impingement

John Richardson, Ryan Wardell, Erik Fernandez, Jayanta S. Kapat
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 12: Supercritical CO2, V012T28A015, June 26–30, 2023
Paper No: GT2023-102544
https://doi.org/10.1115/GT2023-102544
View Paper titled, Experimental and Computational Heat Transfer Study of sCO 2 Single-Jet Impingement
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Topics: Heat transfer, Carbon dioxide, Copper, Fluids, Reynolds number, Temperature, Computational fluid dynamics, Computer simulation, Heat flux, Heating
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

Characterizing Flow Instabilities During Transient Events in the Turbine Rim Seal Cavity

Maria Rozman, Eric T. DeShong, Reid A. Berdanier, Karen A. Thole, Christopher Robak
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A021, June 13–17, 2022
Paper No: GT2022-82664
https://doi.org/10.1115/GT2022-82664
View Paper titled, Characterizing Flow Instabilities During Transient Events in the Turbine Rim Seal Cavity
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Topics: Cavities, Flow instability, Transients (Dynamics), Turbines, Flow (Dynamics), Aircraft engines, Cooling, Cycles, Design, Energy generation
Proceedings Papers

Highly Time Resolved, Combined Temperature and Heat Flux Measurement Technique Based on ALTP Sensors

Konstantin Huber, Tim Rödiger
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T05A018, June 13–17, 2022
Paper No: GT2022-82873
https://doi.org/10.1115/GT2022-82873
View Paper titled, Highly Time Resolved, Combined Temperature and Heat Flux Measurement Technique Based on ALTP Sensors
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Topics: Heat flux, Sensors, Temperature, Signals, Air jets, Density, Emission spectroscopy, Heat transfer coefficients, Signal to noise ratio, Spectroscopy
Proceedings Papers

Heat Transfer Coefficient and Adiabatic Effectiveness on a Film-Cooled Pressure Side: Results and Assessment of the IR-Based Measurement Technique Reliability

T. Bacci, A. Picchi, S. Galeotti, B. Facchini, S. Cubeda
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A012, June 13–17, 2022
Paper No: GT2022-81161
https://doi.org/10.1115/GT2022-81161
View Paper titled, Heat Transfer Coefficient and Adiabatic Effectiveness on a Film-Cooled Pressure Side: Results and Assessment of the IR-Based Measurement Technique Reliability
Open the PDF for Heat Transfer Coefficient and Adiabatic Effectiveness on a Film-Cooled Pressure Side: Results and Assessment of the IR-Based Measurement Technique Reliability in another window
Topics: Heat transfer coefficients, Pressure, Reliability, Film cooling, Nozzle guide vanes, Uncertainty, Cooling systems, Design, Dimensions, Engines
Proceedings Papers

Film Cooling Hole Shape Effects on Turbine Blade Heat Transfer – Part I: Computational Comparison to Experiment

Spencer Sperling, Louis Christensen, Randall Mathison, Hakan Aksoy, Jong Liu, Jeremy Nickol
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A002, June 13–17, 2022
Paper No: GT2022-78244
https://doi.org/10.1115/GT2022-78244
View Paper titled, Film Cooling Hole Shape Effects on Turbine Blade Heat Transfer – Part I: Computational Comparison to Experiment
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Topics: Film cooling, Heat transfer, Shapes, Turbine blades, Blades, Cooling, Pressure, Simulation, Turbines, Computation
Proceedings Papers

Wall Curvature Effect on Overall Thermal Performances of Film Cooling Covered by Thermal Barrier Coatings With Various Geometries

Wen-li Zhou, Jian Pu, Tiao Zhang, Jian-hua Wang, Wei-long Wu, Hang Su
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A036, June 13–17, 2022
Paper No: GT2022-82796
https://doi.org/10.1115/GT2022-82796
View Paper titled, Wall Curvature Effect on Overall Thermal Performances of Film Cooling Covered by Thermal Barrier Coatings With Various Geometries
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Topics: Cooling, Film cooling, Heat flux, Heat transfer, Thermal barrier coatings
Proceedings Papers

Conjugate Heat Transfer of Cylindrical and Trenched Film Cooling Designs With Array Jet Impingement

Lukas Fischer, Andrés Sanchez, Fabian Schleich, Fabian Feller, Richard Raffelt, Michael Pfitzner
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT12A011, June 13–17, 2022
Paper No: GT2022-80810
https://doi.org/10.1115/GT2022-80810
View Paper titled, Conjugate Heat Transfer of Cylindrical and Trenched Film Cooling Designs With Array Jet Impingement
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Topics: Film cooling, Heat transfer, Cooling, Heat transfer coefficients, Reynolds number, Density, Design, Engines, Flow (Dynamics), Heat flux
Proceedings Papers

Experimental Investigation of a High-Speed Turbine With Rainbow Rotor and Rim Seal Purge Flow

Bogdan Cernat, Jorge Pinho, Mizuki Okada, Sergio Lavagnoli
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT14A015, June 13–17, 2022
Paper No: GT2022-83129
https://doi.org/10.1115/GT2022-83129
View Paper titled, Experimental Investigation of a High-Speed Turbine With Rainbow Rotor and Rim Seal Purge Flow
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Topics: Flow (Dynamics), Rotors, Turbines, Pressure, Computation, Heat flux, Heat transfer, Reynolds-averaged Navier–Stokes equations, Temperature, Boundary-value problems
Proceedings Papers

Accurate and Efficient Computation of Heat Transfer Coefficient From CFD Simulations

Jose M. Chaquet, Carlos Perez, Jaime Quintanal
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT13A009, June 13–17, 2022
Paper No: GT2022-81788
https://doi.org/10.1115/GT2022-81788
View Paper titled, Accurate and Efficient Computation of Heat Transfer Coefficient From CFD Simulations
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Topics: Computation, Computational fluid dynamics, Engineering simulation, Heat transfer coefficients, Simulation, Fluids, Computer simulation, Flux (Metallurgy), Heat, Heat flux
Proceedings Papers

Experimental and Numerical Investigation of a Novel Method for Gradient Temperature Measurement

Markus Schönheit, Marcus Thiele, Edward Ginzbursky, Anastasia Thomas
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT13A017, June 13–17, 2022
Paper No: GT2022-82909
https://doi.org/10.1115/GT2022-82909
View Paper titled, Experimental and Numerical Investigation of a Novel Method for Gradient Temperature Measurement
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Topics: Accuracy and precision, Alloys, Combustion chambers, Computational fluid dynamics, Cooling, Crystals, Cycles, Cylinders, Design, Design methodology
Proceedings Papers

Stratified and Buoyancy-Induced Flow in Closed Compressor Rotors

Gary D. Lock, Richard W. Jackson, Mikolaj Pernak, Oliver J. Pountney, Carl M. Sangan, J. Michael Owen, Hui Tang, James A. Scobie
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT14A007, June 13–17, 2022
Paper No: GT2022-82023
https://doi.org/10.1115/GT2022-82023
View Paper titled, Stratified and Buoyancy-Induced Flow in Closed Compressor Rotors
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Topics: Buoyancy, Compressors, Flow (Dynamics), Rotors, Disks, Fluids, Heat transfer, Temperature, Cavities, Compressibility
Proceedings Papers

Flow Visualization Study From a Flat Plate With Multiple Impinging Jets for Different Cross-Flow Schemes

Radheesh Dhanasegaran, Ssheshan Pugazhendhi
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT15A017, June 13–17, 2022
Paper No: GT2022-82152
https://doi.org/10.1115/GT2022-82152
View Paper titled, Flow Visualization Study From a Flat Plate With Multiple Impinging Jets for Different Cross-Flow Schemes
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Topics: Cross-flow, Flat plates, Flow visualization, Jets, Heat transfer, Separation (Technology), Flow (Dynamics), Reynolds number, Skin friction (Fluid dynamics), Turbulence
Proceedings Papers

Axial Ventilation and Blade Row Effects on Transient Natural Convective Shutdown Cooling in a Gas Turbine

Daniel D. Fahy, Peter Ireland
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT13A014, June 13–17, 2022
Paper No: GT2022-82552
https://doi.org/10.1115/GT2022-82552
View Paper titled, Axial Ventilation and Blade Row Effects on Transient Natural Convective Shutdown Cooling in a Gas Turbine
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Topics: Blades, Cooling, Gas turbines, Transients (Dynamics), Ventilation, Annulus, Flow (Dynamics), Temperature, Cycles, Compressors
Proceedings Papers

Effect of Vane/Blade Interaction for a Cooled Turbine Blade — Part I: Comparison of Experimental and Numerical Results

Spencer Sperling, Louis Christensen, Randall Mathison, Hakan Aksoy, Jong Liu, Jeremy Nickol
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT13A001, June 13–17, 2022
Paper No: GT2022-78271
https://doi.org/10.1115/GT2022-78271
View Paper titled, Effect of Vane/Blade Interaction for a Cooled Turbine Blade — Part I: Comparison of Experimental and Numerical Results
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Topics: Blades, Turbine blades, Engineering simulation, Simulation, Gas turbines, Heat transfer, Turbines, Airfoils, Flow (Dynamics), Pressure