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Proceedings Papers

Effusion Cooling: Influence of Pressure Drop

Michael Bonds, Jr., Benjamin H. Wahls, Srinath V. Ekkad, Nagaraja Rudrapatna, Rudy Dudebout, Ryan Meyer
Proc. ASME. GT2022, Volume 6A: Heat Transfer — Combustors; Film Cooling, V06AT11A003, June 13–17, 2022
Paper No: GT2022-82067
DOI: https://doi.org/10.1115/GT2022-82067
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Topics: Combustion gases, Cooling, Pressure drop
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
DOI: https://doi.org/10.1115/GT2022-82301
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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
DOI: https://doi.org/10.1115/GT2022-83319
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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

Design and Commissioning of the Constant Condition Dynamic Test Rig

Robert Pearce, Michael Tombs, Zahid Hussain
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T05A003, June 13–17, 2022
Paper No: GT2022-80968
DOI: https://doi.org/10.1115/GT2022-80968
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Topics: Design, Valves, Pressure, Aerospace industry, Aircraft engines, Computational fluid dynamics, Discharge coefficient, Engines, Flow (Dynamics), Pressure drop
Proceedings Papers

Stabilization of Auto-Igniting Flames Within a Gas Turbine Sequential Combustor, Through the Control of Static Temperature Variation - Detailed Numerical Investigation

Fernando Biagioli, Holger Luebcke, Ammar Lamraoui, Khawar J. Syed, André Theuer
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A025, June 13–17, 2022
Paper No: GT2022-82592
DOI: https://doi.org/10.1115/GT2022-82592
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Topics: Combustion, Combustion chambers, Emissions, Flames, Gas turbines, Temperature, Fuels, Mach number, Flow (Dynamics), Pressure drop
Proceedings Papers

Effects of Novel Roughened Wall of Swirl Cooling in Gas Turbine on Heat Transfer Characteristics and Pressure Drop

Fifi Elwekeel, Antar Abdala, Qun Zheng
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT15A007, June 13–17, 2022
Paper No: GT2022-79595
DOI: https://doi.org/10.1115/GT2022-79595
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Topics: Cooling, Gas turbines, Heat transfer, Pressure drop, Surface roughness
Proceedings Papers

Numerical Study of Roughness Effect on Performances in Representative Heat Exchanger Channels

Joseph Jabbour, Damien Serret, Hussein Yassin
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT13A026, June 13–17, 2022
Paper No: GT2022-84253
DOI: https://doi.org/10.1115/GT2022-84253
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Topics: Heat exchangers, Surface roughness, Heat transfer, Design, Additive manufacturing, Computational fluid dynamics, Computer software, Computer-aided design, Cycles, Fins
Proceedings Papers

The Inter-Bristle Pressure Field in a Large-Scale Brush Seal

Joshua P. Bowen, Matthew R. Jenkins, Aaron A. Bowsher, Peter F. Crudgington, Carl M. Sangan, James A. Scobie
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT14A009, June 13–17, 2022
Paper No: GT2022-82508
DOI: https://doi.org/10.1115/GT2022-82508
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Topics: Pressure, Leakage, Clearances (Engineering), Compacting, Pressure drop, Flow (Dynamics), Fluids, Leakage flows, Rotation, Rotors
Proceedings Papers

Impacts of Pin Fin Shape and Spacing on Heat Transfer and Pressure Losses

Thomas M. Corbett, Karen A. Thole, Sudhakar Bollapragada
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT15A022, June 13–17, 2022
Paper No: GT2022-82673
DOI: https://doi.org/10.1115/GT2022-82673
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Topics: Heat transfer, Pressure, Shapes, Surface roughness, Pins (Engineering), Accounting, Additive manufacturing, Computerized tomography, Density, Diamonds
Proceedings Papers

A Comparison of Static and Rotordynamic Characteristics for Three Types of Impeller Front Seals in a Liquid Oxygen Turbopump

Zhihong Jin, Zhigang Li, Jun Li
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT22A016, June 13–17, 2022
Paper No: GT2022-82556
DOI: https://doi.org/10.1115/GT2022-82556
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Topics: Impellers, Oxygen, Leakage, Rotors, Computational fluid dynamics, Dampers, Fluids, Stability, Stators, Stress
Proceedings Papers

Circumferentially Grooved Seal Flow Field Analysis Based on Effective Film Thickness to Improve Bulk Flow Models

Nathaniel Gibbons, Cori Watson-Kassa, Christopher Goyne, Minhui He
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT22A005, June 13–17, 2022
Paper No: GT2022-81010
DOI: https://doi.org/10.1115/GT2022-81010
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Topics: Film thickness, Flow (Dynamics), Computational fluid dynamics, Modeling, Reynolds number, Shear stress, Engineering simulation, Leakage, Physics, Rotors
Proceedings Papers

A Self-Sufficient Oil Cooling Mechanism for Fluid-Film Bearing Applications in Remote Operations

Seckin Gokaltun, Bruce R. Fabijonas, Louis S. Krajewski, Richard C. Rodzwic
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT22A019, June 13–17, 2022
Paper No: GT2022-83145
DOI: https://doi.org/10.1115/GT2022-83145
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Topics: Bearings, Cooling, Fluid films, Cooling systems, Hydrocarbon reservoirs, Journal bearings, Heat exchangers, Lubrication, Pipes, Thrust bearings
Proceedings Papers

Optimization of an Additively Manufactured U-Bend Channel Using A Surrogate-Based Bayesian Method

Shinjan Ghosh, Sudeepta Mondal, Ryan Wardell, Erik Fernandez, Jayanta S. Kapat, Asok Ray
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT36A011, June 7–11, 2021
Paper No: GT2021-59415
DOI: https://doi.org/10.1115/GT2021-59415
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Topics: Additive manufacturing, Optimization, Design, Shapes, Computational fluid dynamics, Pressure, Pressure drop, Cooling, Simulation, Turbulence
Proceedings Papers

Numerical Model for Condensing Steam Through Labyrinth Seal

Ravindra G. Devi, Satyanarayanan Seshadri, Vittorio Michelassi
Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A007, June 7–11, 2021
Paper No: GT2021-58736
DOI: https://doi.org/10.1115/GT2021-58736
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Topics: Computer simulation, Condensation, Drops, Leakage flows, Nucleation (Physics), Steam, Condensed matter, Flow (Dynamics), Subcooling, Computational fluid dynamics
Proceedings Papers

Static Performance of Smooth Liquid Annular Seals in the Transition and Turbulent Regimes

Dara W. Childs, Joshua Bullock
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A002, June 7–11, 2021
Paper No: GT2021-58543
DOI: https://doi.org/10.1115/GT2021-58543
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Topics: Turbulence, Flow (Dynamics), Reynolds number, Clearances (Engineering), Displacement, Flowmeters, Friction, Leakage, Pressure, Pressure drop
Proceedings Papers

Efficiency Maximization of Allam Cycle at a Given Combustion Temperature

Yousef Haseli
Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A025, June 7–11, 2021
Paper No: GT2021-59962
DOI: https://doi.org/10.1115/GT2021-59962
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Topics: Combustion, Cycles, Modeling, Pressure, Temperature, Turbines, Exhaust systems, Turbochargers, Algebra, Carbon dioxide
Proceedings Papers

Investigation of Adjacent Lifted Flames Interaction in an Inline and Inclined Multi-Burner Arrangement

Mohamed Shamma, Sven Hoffmann, Stefan Raphael Harth, Nikolaos Zarzalis, Dimosthenis Trimis, Rainer Koch, Hans-Jörg Bauer, Leonardo Langone, Sofia Galeotti, Antonio Andreini
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A020, June 7–11, 2021
Paper No: GT2021-59941
DOI: https://doi.org/10.1115/GT2021-59941
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Topics: Flames, Combustion chambers, Emissions, Nitrogen oxides, Stability, Sprays, Aircraft engines, Boundary-value problems, Chemiluminescence, Combustion
Proceedings Papers

Heat Transfer in Rotating, Trailing Edge, Converging Channels With Full and Partial Height Strip-Fins

Izzet Sahin, I-Lun Chen, Lesley M. Wright, Je-Chin Han, Hongzhou Xu, Michael Fox
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A004, June 7–11, 2021
Paper No: GT2021-58877
DOI: https://doi.org/10.1115/GT2021-58877
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Topics: Fins, Heat transfer, Strips, Rotation, Cooling, Pressure drop, Flow (Dynamics), Heat transfer coefficients, Copper, Design
Proceedings Papers

Aero-Thermal Optimization of Bladeless Turbines

James Braun, Guillermo Paniagua, Francois Falempin
Proc. ASME. GT2020, Volume 5: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage, V005T06A024, September 21–25, 2020
Paper No: GT2020-15551
DOI: https://doi.org/10.1115/GT2020-15551
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Topics: Optimization, Turbines, Pressure, Geometry, Heat, Heat flux, Turbulence, Blades, Flux (Metallurgy), Mesh generation
Proceedings Papers

Heat Transfer and Pressure Loss in a Two-Pass, Rectangular Channel Featuring a Reduced Cross-Sectional Area After the 180-Degree Tip Turn With Different Turning Vane Configurations

Sulaiman M. Alsaleem, Lesley M. Wright, Je-Chin Han
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A008, September 21–25, 2020
Paper No: GT2020-14510
DOI: https://doi.org/10.1115/GT2020-14510
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Topics: Heat transfer, Pressure, Turning vanes, Cooling, Flow (Dynamics), Design, Pressure drop, Reynolds number, Blades, Gas turbines