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Proceedings Papers

Evaluation of Pressure Drop and Cooling Effectiveness of Serpentine Channels With Varying Internal Rib Configurations

Christopher Yoon, Molly E. Ellinger, David G. Bogard
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, V07BT15A013, June 26–30, 2023
Paper No: GT2023-104216
https://doi.org/10.1115/GT2023-104216
View Paper titled, Evaluation of Pressure Drop and Cooling Effectiveness of Serpentine Channels With Varying Internal Rib Configurations
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Topics: Cooling, Gas turbines, Pressure drop, Reynolds-averaged Navier–Stokes equations
Proceedings Papers

Dynamic Characterization of an Adaptive Film-Riding Seal

Joshua Bird, Patrick Keogh, Carl Sangan, Aaron Bowsher, Peter Crudgington, James Scobie
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A022, June 26–30, 2023
Paper No: GT2023-103118
https://doi.org/10.1115/GT2023-103118
View Paper titled, Dynamic Characterization of an Adaptive Film-Riding Seal
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Topics: Clearances (Engineering), Computer simulation, Damping, Design, Displacement, Eddies (Fluid dynamics), Eddy currents (Electricity), Fluid films, Fluids, High pressure (Physics)
Proceedings Papers

Flow Interaction Between Cascade and Flow Resistance Medium

Tong Lin, Mehmet Sarimurat, Thong Quoc Dang
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T10A002, June 26–30, 2023
Paper No: GT2023-101271
https://doi.org/10.1115/GT2023-101271
View Paper titled, Flow Interaction Between Cascade and Flow Resistance Medium
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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Rotors, Blades, Computational fluid dynamics, Boundary layers, Delays, Flow separation, Pressure, Pressure drop
Proceedings Papers

FlameSheet™ Combustion Multi-Platpform Enhancements & Full Interval Validation for Extended Operational Flexibility, Low Emissions & High Hydrogen Capability

Fred Hernandez, Ramesh Keshava Bhattu, Bryan Kalb, Matt Yaquinto, Gregory Vogel, Hany Rizkalla
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T08A013, June 26–30, 2023
Paper No: GT2023-104166
https://doi.org/10.1115/GT2023-104166
View Paper titled, FlameSheet™ Combustion Multi-Platpform Enhancements & Full Interval Validation for Extended Operational Flexibility, Low Emissions & High Hydrogen Capability
Open the PDF for FlameSheet™ Combustion Multi-Platpform Enhancements & Full Interval Validation for Extended Operational Flexibility, Low Emissions & High Hydrogen Capability in another window
Topics: Combustion, Emissions, Hydrogen, Gas turbines, Combustion chambers, Ejectors, Combustion systems, Durability, Energy generation, Engines
Proceedings Papers

An Automated Gaussian Process Integrated With Bayesian Optimization Approach to Designing Spline-Based Pin-Fin Arrays

Susheel Dharmadhikari, Reid A. Berdanier, Karen A. Thole, Amrita Basak
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT34A011, June 26–30, 2023
Paper No: GT2023-102018
https://doi.org/10.1115/GT2023-102018
View Paper titled, An Automated Gaussian Process Integrated With Bayesian Optimization Approach to Designing Spline-Based Pin-Fin Arrays
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Topics: Design, Optimization, Splines, Fins, Pressure drop, Pressure, Shapes, Additive manufacturing, Cooling, Dynamics (Mechanics)
Proceedings Papers

Numerical Investigation of the Flow Structure of Cryogenic Hydrogen in Corrugated Metal Flexhoses Due to Fluid Structure Interactions

Patrick K. Tran, Jared F. Congiardo, Craig R. Fortier, Erik Fernandez, Jayanta S. Kapat
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A008, June 26–30, 2023
Paper No: GT2023-101467
https://doi.org/10.1115/GT2023-101467
View Paper titled, Numerical Investigation of the Flow Structure of Cryogenic Hydrogen in Corrugated Metal Flexhoses Due to Fluid Structure Interactions
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Topics: Flow (Dynamics), Fluid structure interaction, Hydrogen, Metals, Multiphase flow, Physics, Engines, Flow-induced vibrations, Fluids, Fuel delivery systems
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
https://doi.org/10.1115/GT2022-82556
View Paper titled, A Comparison of Static and Rotordynamic Characteristics for Three Types of Impeller Front Seals in a Liquid Oxygen Turbopump
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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
https://doi.org/10.1115/GT2022-81010
View Paper titled, Circumferentially Grooved Seal Flow Field Analysis Based on Effective Film Thickness to Improve Bulk Flow Models
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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
https://doi.org/10.1115/GT2022-83145
View Paper titled, A Self-Sufficient Oil Cooling Mechanism for Fluid-Film Bearing Applications in Remote Operations
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Topics: Bearings, Cooling, Fluid films, Cooling systems, Hydrocarbon reservoirs, Journal bearings, Heat exchangers, Lubrication, Pipes, Thrust bearings
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

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
https://doi.org/10.1115/GT2022-82592
View Paper titled, Stabilization of Auto-Igniting Flames Within a Gas Turbine Sequential Combustor, Through the Control of Static Temperature Variation - Detailed Numerical Investigation
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Topics: Combustion, Combustion chambers, Emissions, Flames, Gas turbines, Temperature, Fuels, Mach number, Flow (Dynamics), Pressure drop
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
https://doi.org/10.1115/GT2022-82067
View Paper titled, Effusion Cooling: Influence of Pressure Drop
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Topics: Combustion gases, Cooling, 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
https://doi.org/10.1115/GT2022-79595
View Paper titled, Effects of Novel Roughened Wall of Swirl Cooling in Gas Turbine on Heat Transfer Characteristics and Pressure Drop
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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
https://doi.org/10.1115/GT2022-84253
View Paper titled, Numerical Study of Roughness Effect on Performances in Representative Heat Exchanger Channels
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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
https://doi.org/10.1115/GT2022-82508
View Paper titled, The Inter-Bristle Pressure Field in a Large-Scale Brush Seal
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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
https://doi.org/10.1115/GT2022-82673
View Paper titled, Impacts of Pin Fin Shape and Spacing on Heat Transfer and Pressure Losses
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Topics: Heat transfer, Pressure, Shapes, Surface roughness, Pins (Engineering), Accounting, Additive manufacturing, Computerized tomography, Density, Diamonds
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
https://doi.org/10.1115/GT2022-80968
View Paper titled, Design and Commissioning of the Constant Condition Dynamic Test Rig
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Topics: Design, Valves, Pressure, Aerospace industry, Aircraft engines, Computational fluid dynamics, Discharge coefficient, Engines, Flow (Dynamics), Pressure drop
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
https://doi.org/10.1115/GT2021-58736
View Paper titled, Numerical Model for Condensing Steam Through Labyrinth Seal
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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
https://doi.org/10.1115/GT2021-58543
View Paper titled, Static Performance of Smooth Liquid Annular Seals in the Transition and Turbulent Regimes
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Topics: Turbulence, Flow (Dynamics), Reynolds number, Clearances (Engineering), Displacement, Flowmeters, Friction, Leakage, Pressure, Pressure drop