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Proceedings Papers

Design and Integration of a Microtube Precooler Into an Aircraft Engine Waste Heat Recovery and Fuel Systems

Claire-Phonie Bury, Ladislav Vesely, Jayanta Kapat, Mingxuan Shi, Michael Stoia
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A049, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129421
https://doi.org/10.1115/GT2024-129421
View Paper titled, Design and Integration of a Microtube Precooler Into an Aircraft Engine Waste Heat Recovery and Fuel Systems
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Topics: Aircraft engines, Design, Fuel systems, Heat exchangers, Heat recovery, Aviation, Boundary-value problems, Brayton cycle, Carbon footprint, Cracking (Materials)
Proceedings Papers

Topological Shape and Performance Optimisation of Microchannel Diffusion-Bonded Heat Exchangers Used in sCO2 Brayton Cycle

Shubham Kumar Vishwakarma, Adhip Srivastava, Pramod Kumar, Pradip Dutta, Nagendra Somanath
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A015, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124223
https://doi.org/10.1115/GT2024-124223
View Paper titled, Topological Shape and Performance Optimisation of Microchannel Diffusion-Bonded Heat Exchangers Used in sCO2 Brayton Cycle
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Topics: Brayton cycle, Diffusion (Physics), Genetic algorithms, Heat exchangers, Heat transfer, Microchannels, Optimization, Shapes, Topology
Proceedings Papers

Assessment of Additive Manufactured Micro-Channel Characteristics: Impact of Hydraulic Diameter Evaluation

Tommaso Bacci, Alessio Picchi, Niccolò Castelli, Bruno Facchini, Francesco Morante, Luca Innocenti
Proc. ASME. GT2024, Volume 13: Heat Transfer: General Interest / Additive Manufacturing Impacts on Heat Transfer; Wind Energy, V013T13A022, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126159
https://doi.org/10.1115/GT2024-126159
View Paper titled, Assessment of Additive Manufactured Micro-Channel Characteristics: Impact of Hydraulic Diameter Evaluation
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Topics: Additive manufacturing, Microchannels, Cooling, Heat transfer coefficients, Pressure, Design, Fluids, Friction, Gas turbines, Heat transfer
Proceedings Papers

Investigation on the Influence of Surface Roughness of Rotating Microchannel on Flow Conditions

Krzysztof Rusin, Włodzimierz Wróblewski, Sebastian Rulik, Mohammadsadegh Pahlavanzadeh, Emad Hasani Malekshah
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT35A007, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101917
https://doi.org/10.1115/GT2023-101917
View Paper titled, Investigation on the Influence of Surface Roughness of Rotating Microchannel on Flow Conditions
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Topics: Flow (Dynamics), Microchannels, Surface roughness, Turbines
Proceedings Papers

Amplitude and Wavelength Effects for Wavy Channels

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, V06BT15A002, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-78356
https://doi.org/10.1115/GT2022-78356
View Paper titled, Amplitude and Wavelength Effects for Wavy Channels
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Topics: Wavelength, Additive manufacturing, Computational fluid dynamics, Cooling, Design, Computerized tomography, Durability, Engineering simulation, Flow (Dynamics), Friction
Proceedings Papers

Experimental Hydraulic Performance Study of a Primary Surface Recuperator With Cross-Wavy Microchannels for Portable Microturbines

Hui Li, Zhengping Zou, Yiming Chen, Huan Li, Chao Fu
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T18A007, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80808
https://doi.org/10.1115/GT2022-80808
View Paper titled, Experimental Hydraulic Performance Study of a Primary Surface Recuperator With Cross-Wavy Microchannels for Portable Microturbines
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Topics: Microchannels, Microturbines
Proceedings Papers

Investigation on the Effects of Field Emission Plasma on the Performance of a Micro-Combustor

Maria Grazia De Giorgi, Giacomo Cinieri, Donato Fontanarosa, Antonio Ficarella
Proc. ASME. GT2021, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A041, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60258
https://doi.org/10.1115/GT2021-60258
View Paper titled, Investigation on the Effects of Field Emission Plasma on the Performance of a Micro-Combustor
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Topics: Combustion chambers, Electron field emission, Plasmas (Ionized gases), Combustion, Electrons, Chemistry, Excitation, Modeling, Pressure, Propellants
Proceedings Papers

Cooling Performance of Additively Manufactured Pin Fins in Stacked Microchannels for the Inside-Out Ceramic Turbine Shroud-Cooling Ring

P. K. Dubois, A. Landry-Blais, R. Gazzah, S. Sivić, V. Brailovski, M. Picard
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A020, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60100
https://doi.org/10.1115/GT2021-60100
View Paper titled, Cooling Performance of Additively Manufactured Pin Fins in Stacked Microchannels for the Inside-Out Ceramic Turbine Shroud-Cooling Ring
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Topics: Additive manufacturing, Ceramics, Cooling, Fins, Heat transfer, Microchannels, Pressure, Turbines
Proceedings Papers

Dimensional Characterizations Using SEM and Surface Improvement With Electrochemical Polishing of Additively Manufactured Microchannels

Zheng Min, Yingjie Wu, Kailai Yang, Jin Xu, Sarwesh Narayan Parbat, Minking K. Chyu
Proc. ASME. GT2020, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V008T18A007, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14842
https://doi.org/10.1115/GT2020-14842
View Paper titled, Dimensional Characterizations Using SEM and Surface Improvement With Electrochemical Polishing of Additively Manufactured Microchannels
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Topics: Additive manufacturing, Electrolytic polishing, Microchannels, Scanning electron microscopes, Surface roughness
Proceedings Papers

Numerical Simulation of Pressure Loss and Heat Transfer Characteristics for Additively Manufactured Channels

Bryan Arko, Chad Iverson, Nicholas Staudigel
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A022, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14803
https://doi.org/10.1115/GT2020-14803
View Paper titled, Numerical Simulation of Pressure Loss and Heat Transfer Characteristics for Additively Manufactured Channels
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Topics: Additive manufacturing, Computer simulation, Heat transfer, Pressure, Surface roughness, Computational fluid dynamics, Cooling, Modeling, Reynolds number, Friction
Proceedings Papers

Performance of Public Film Cooling Geometries Produced Through Additive Manufacturing

Jacob C. Snyder, Karen A. Thole
Proc. ASME. GT2019, Volume 5B: Heat Transfer, V05BT21A003, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90877
https://doi.org/10.1115/GT2019-90877
View Paper titled, Performance of Public Film Cooling Geometries Produced Through Additive Manufacturing
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Topics: Additive manufacturing, Film cooling, Cooling, Manufacturing, Engines, High temperature, Nickel alloys, Shapes, Coolants, Gas turbines
Proceedings Papers

Numerical Optimization, Characterization, and Experimental Investigation of Additively Manufactured Communicating Microchannels

Kathryn L. Kirsch, Karen A. Thole
Proc. ASME. GT2018, Volume 5B: Heat Transfer, V05BT21A002, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75429
https://doi.org/10.1115/GT2018-75429
View Paper titled, Numerical Optimization, Characterization, and Experimental Investigation of Additively Manufactured Communicating Microchannels
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Topics: Additive manufacturing, Microchannels, Optimization, Heat transfer, Pressure, Design, Cooling, Flow (Dynamics), Gas turbines, Lasers
Proceedings Papers

Planning for Successful Transients and Trips in a 1 MW e -Scale High-Temperature sCO 2 Test Loop

Timothy C. Allison, J. Jeffrey Moore, Doug Hofer, Meera Day Towler, Joseph Thorp
Proc. ASME. GT2018, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A013, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75873
https://doi.org/10.1115/GT2018-75873
View Paper titled, Planning for Successful Transients and Trips in a 1 MW e -Scale High-Temperature sCO 2 Test Loop
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Topics: High temperature, Transients (Dynamics), Design, Failure, Supercritical carbon dioxide, Temperature, Turbomachinery, Centrifugal pumps, Control systems, Cycles
Proceedings Papers

Microchannel Heat Exchanger Flow Validation Study

Blake W. Lance, Matthew D. Carlson
Proc. ASME. GT2018, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A027, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-77197
https://doi.org/10.1115/GT2018-77197
View Paper titled, Microchannel Heat Exchanger Flow Validation Study
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Topics: Flow (Dynamics), Heat exchangers, Microchannels, Computational fluid dynamics, Boundary-value problems, Design, Engineering simulation, Geometry, Kinetic energy, Particulate matter
Proceedings Papers

Experimental Investigation of Numerically Optimized Wavy Microchannels Created Through Additive Manufacturing

Kathryn L. Kirsch, Karen A. Thole
Proc. ASME. GT2017, Volume 5C: Heat Transfer, V05CT21A004, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64934
https://doi.org/10.1115/GT2017-64934
View Paper titled, Experimental Investigation of Numerically Optimized Wavy Microchannels Created Through Additive Manufacturing
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Topics: Additive manufacturing, Microchannels, Design, Heat transfer, Optimization, Pressure drop, Airfoils, Cooling, Flow (Dynamics), Gas turbines
Proceedings Papers

Effects of Geometry and Spacing in Additively Manufactured Microchannel Pin Fin Arrays

Katharine K. Ferster, Kathryn L. Kirsch, Karen A. Thole
Proc. ASME. GT2017, Volume 5C: Heat Transfer, V05CT21A001, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63442
https://doi.org/10.1115/GT2017-63442
View Paper titled, Effects of Geometry and Spacing in Additively Manufactured Microchannel Pin Fin Arrays
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Topics: Additive manufacturing, Geometry, Microchannels, Fins, Gas turbines, Heat transfer, Pressure, Turbines, Airfoils, Cylinders
Proceedings Papers

Characterization of a Novel Porous Injector for Multi-Lean Direct Injection (M-LDI) Combustor

Jianing Li, Umesh Bhayaraju, San-Mou Jeng
Proc. ASME. GT2017, Volume 4A: Combustion, Fuels and Emissions, V04AT04A060, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63981
https://doi.org/10.1115/GT2017-63981
View Paper titled, Characterization of a Novel Porous Injector for Multi-Lean Direct Injection (M-LDI) Combustor
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Topics: Combustion chambers, Ejectors, Fuels, Flames, Temperature, Emissions, Engineering simulation, Nitrogen oxides, Simulation, Combustion
Proceedings Papers

Investigation of Heat Transfer and Flow Characteristics in Fractal Tree-Like Microchannel With Steam Cooling

Linqi Shui, Bo Huang, Kunkun Dong, Chunyan Zhang
Proc. ASME. GT2017, Volume 5A: Heat Transfer, V05AT16A008, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63973
https://doi.org/10.1115/GT2017-63973
View Paper titled, Investigation of Heat Transfer and Flow Characteristics in Fractal Tree-Like Microchannel With Steam Cooling
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Topics: Cooling, Flow (Dynamics), Fractals, Heat transfer, Microchannels, Steam, Blades, Stress, Coolants, Friction
Proceedings Papers

Heat Transfer and Pressure Loss Measurements in Additively Manufactured Wavy Microchannels

Kathryn L. Kirsch, Karen A. Thole
Proc. ASME. GT2016, Volume 5B: Heat Transfer, V05BT16A008, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56510
https://doi.org/10.1115/GT2016-56510
View Paper titled, Heat Transfer and Pressure Loss Measurements in Additively Manufactured Wavy Microchannels
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Topics: Additive manufacturing, Heat transfer, Microchannels, Pressure, Wavelength, Waves, Cooling, Flow (Dynamics), Gas turbines, High pressure (Physics)
Proceedings Papers

Numerical Simulation on the Performance of Air-Air Primary Surface Heat Exchanger

Yinze Liu, Wei Dong, Guilin Lei, Xiao Yu
Proc. ASME. GT2016, Volume 5A: Heat Transfer, V05AT13A016, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56905
https://doi.org/10.1115/GT2016-56905
View Paper titled, Numerical Simulation on the Performance of Air-Air Primary Surface Heat Exchanger
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Topics: Computer simulation, Heat exchangers, Computer software, Cross-flow, Design, Flow (Dynamics), Heat, Heat transfer, Microchannels, Pressure drop