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Proceedings Papers

Numerical Analysis of a Shrouded Centrifugal Compressor for Use in Supercritical Carbon Dioxide (s-CO2) Brayton Cycle

Arockia Fenil, Lakshminarayanan Seshadri, Pramod Kumar, Abdul Nassar, Gaurav Giri
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT32A032, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103420
https://doi.org/10.1115/GT2023-103420
View Paper titled, Numerical Analysis of a Shrouded Centrifugal Compressor for Use in Supercritical Carbon Dioxide (s-CO2) Brayton Cycle
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Topics: Brayton cycle, Compressors, Computational fluid dynamics, Design, Numerical analysis, Supercritical carbon dioxide
Proceedings Papers

A New Concept for Improving the Efficiency of Gas Turbines for Power Plant Operation

Rupert Sunkler, Jean-Pierre Stalder
Proc. ASME. GT2023, Volume 5: Cycle Innovations, V005T06A004, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101445
https://doi.org/10.1115/GT2023-101445
View Paper titled, A New Concept for Improving the Efficiency of Gas Turbines for Power Plant Operation
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Topics: Gas turbines, Power stations, Compressors, Generators, Flow (Dynamics), Turbines, Pressure, Combustion chambers, Cycles, Aircraft engines
Proceedings Papers

Investigation on Process Architectures for High-Temperature Heat Pumps Based on a Reversed Brayton Cycle

Nancy Kabat, Enrico Jende, Eberhard Nicke, Panagiotis Stathopoulos
Proc. ASME. GT2023, Volume 5: Cycle Innovations, V005T06A015, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102497
https://doi.org/10.1115/GT2023-102497
View Paper titled, Investigation on Process Architectures for High-Temperature Heat Pumps Based on a Reversed Brayton Cycle
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Topics: Architecture, Brayton cycle, Heat, Heat pumps, High temperature
Proceedings Papers

Numerical Investigation of Flow Characteristics in a Supercritical Carbon Dioxide Turbine for 20 Megawatt Brayton Cycle

Guoying Yang, Rui Yang, Qinghua Deng, Bozhou Xu, Jun Li, Zhenping Feng
Proc. ASME. GT2023, Volume 12: Supercritical CO2, V012T28A008, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101767
https://doi.org/10.1115/GT2023-101767
View Paper titled, Numerical Investigation of Flow Characteristics in a Supercritical Carbon Dioxide Turbine for 20 Megawatt Brayton Cycle
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Topics: Axial flow, Brayton cycle, Clearances (Engineering), Flow (Dynamics), Supercritical carbon dioxide, Turbines
Proceedings Papers

Near Critical Point Testing and Performance Results of a sCO2 Compressor for a 10MWe Brayton Cycle

Robert Pelton, Jon Bygrave, Karl Wygant, Jason Wilkes, Thomas Revak, Kilyoung Kim
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A032, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83503
https://doi.org/10.1115/GT2022-83503
View Paper titled, Near Critical Point Testing and Performance Results of a sCO2 Compressor for a 10MWe Brayton Cycle
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Topics: Brayton cycle, Compressors, Cycles, Testing
Proceedings Papers

Experimental Assessment of a Reverse Brayton Cycle Based on Automotive Turbochargers and E-Chargers for Cryogenic Applications

José R. Serrano, Vicente Dolz, Alberto Ponce-Mora, Juan A. López-Carrillo
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T18A021, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83069
https://doi.org/10.1115/GT2022-83069
View Paper titled, Experimental Assessment of a Reverse Brayton Cycle Based on Automotive Turbochargers and E-Chargers for Cryogenic Applications
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Topics: Brayton cycle, Turbochargers, Cooling, Cycles, Fluids, Compression, Refrigeration, Thermal loads, Turbines, Automotive engines
Proceedings Papers

Design and CFD Study of an ORC Radial Turbine for Multiple Working Fluids

Tchable-Nan Djaname, Michael Deligant, Farid Bakir, Marzia Marinelli, Tommaso Capurso, Marco Torresi
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T18A012, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81741
https://doi.org/10.1115/GT2022-81741
View Paper titled, Design and CFD Study of an ORC Radial Turbine for Multiple Working Fluids
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Topics: Computational fluid dynamics, Design, Fluids, Organic Rankine cycle, Turbines, Geometry, Brayton cycle, Carbon, Carbon dioxide, Compressibility
Proceedings Papers

Optimizing Internal Energy Streams in Micro Gas Turbines in Cogeneration Towards Flexible Heat-to-Power Ratio — Global Thermodynamic Performance Assessment and Specific Case Studies

Ward De Paepe, Tom Clymans
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T16A008, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83427
https://doi.org/10.1115/GT2022-83427
View Paper titled, Optimizing Internal Energy Streams in Micro Gas Turbines in Cogeneration Towards Flexible Heat-to-Power Ratio — Global Thermodynamic Performance Assessment and Specific Case Studies
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Topics: Combined heat and power, Heat, Internal energy (Physics), Micro gas turbines, Thermal energy, Exergy, High temperature, Low temperature, Steam, Boilers
Proceedings Papers

Dynamic Modelling of a Brayton PTES System

Guido Francesco Frate, Matteo Pettinari, Emanuele Di Pino Incognito, Riccardo Costanzi, Lorenzo Ferrari
Proc. ASME. GT2022, Volume 4: Cycle Innovations; Cycle Innovations: Energy Storage, V004T07A013, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83445
https://doi.org/10.1115/GT2022-83445
View Paper titled, Dynamic Modelling of a Brayton PTES System
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Topics: Batteries, Brayton cycle, Design, Dynamic modeling, Energy storage, Engineering simulation, Heat, Heat engines, Heat pumps, Power grids
Proceedings Papers

Innovative Cycles for Industrial Combined Heat and Power Generation With Carbon Capture and Storage

Riddhi R. Kapoor, Sikke Klein
Proc. ASME. GT2022, Volume 4: Cycle Innovations; Cycle Innovations: Energy Storage, V004T06A008, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80697
https://doi.org/10.1115/GT2022-80697
View Paper titled, Innovative Cycles for Industrial Combined Heat and Power Generation With Carbon Capture and Storage
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Topics: Carbon capture and storage, Combined heat and power, Cycles, Combustion, Carbon, Carbon dioxide, Design, Fluids, Gas turbines, Brayton cycle
Proceedings Papers

Simulation of a Safe Start-Up Maneuver for a Brayton Heat Pump

Johannes Oehler, A. Phong Tran, Panagiotis Stathopoulos
Proc. ASME. GT2022, Volume 4: Cycle Innovations; Cycle Innovations: Energy Storage, V004T06A003, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-79399
https://doi.org/10.1115/GT2022-79399
View Paper titled, Simulation of a Safe Start-Up Maneuver for a Brayton Heat Pump
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Topics: Brayton cycle, Heat, Heat pumps, Simulation, Transients (Dynamics)
Proceedings Papers

Design of an Axial Flow Fan for a Unique Cooling Application

Francois D. Boshoff, Sybrand J. van der Spuy, Johannes P. Pretorius, Christiaan J. Meyer
Proc. ASME. GT2022, Volume 5: Education; Electric Power; Fans and Blowers, V005T10A005, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80256
https://doi.org/10.1115/GT2022-80256
View Paper titled, Design of an Axial Flow Fan for a Unique Cooling Application
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Topics: Axial flow, Cooling, Design, Test facilities, Air flow, Brayton cycle, Concentrating solar power, Energy generation, Geometry, Heat exchangers
Proceedings Papers

Detailed Design and Optimization of the First Stage of an Axial Supercritical CO 2 Compressor

Matthew Ha, Justin Holder, Saugat Ghimire, Adam Ringheisen, Mark G. Turner
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A036, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82590
https://doi.org/10.1115/GT2022-82590
View Paper titled, Detailed Design and Optimization of the First Stage of an Axial Supercritical CO 2 Compressor
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Topics: Compressors, Design, Optimization, Supercritical carbon dioxide, Turbomachinery, Testing, Blades, Energy storage, Fluids, Manufacturing
Proceedings Papers

Cost Effective Options of Closed CO2 Cycles for CSP Applications

Simone Maccarini, Alberto Traverso, Emanuel Pesatori
Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A021, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59756
https://doi.org/10.1115/GT2021-59756
View Paper titled, Cost Effective Options of Closed CO2 Cycles for CSP Applications
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Topics: Carbon dioxide, Cycles, Brayton cycle, Delays, Diffusion (Physics), Electricity (Physics), Energy storage, Steam, Supercritical carbon dioxide, Temperature
Proceedings Papers

Impact of Dry Cooler Air-Side Performance on a sCO 2 Power Cycle for a CSP Application

Kelsi M. Katcher, Dereje Amogne
Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A022, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59936
https://doi.org/10.1115/GT2021-59936
View Paper titled, Impact of Dry Cooler Air-Side Performance on a sCO 2 Power Cycle for a CSP Application
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Topics: Brayton cycle, Concentrating solar power, Cycles, Design, Modeling, Supercritical carbon dioxide, Thermodynamic power cycles, Temperature, Heat transfer, Carbon dioxide
Proceedings Papers

Optimization of a Primary Heat Exchanger for FLiBe Molten Salt Nuclear Reactor With sCO 2 Power System

Emmanuel Gabriel-Ohanu, Akshay Khadse, Ladislav Vesely, Nandhini Raju, Marcel Otto, Jayanta S. Kapat, Kurt Harris
Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A023, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59939
https://doi.org/10.1115/GT2021-59939
View Paper titled, Optimization of a Primary Heat Exchanger for FLiBe Molten Salt Nuclear Reactor With sCO 2 Power System
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Topics: Heat exchangers, Molten salt reactors, Nuclear reactors, Optimization, Power systems (Machinery), Shells, Heat, Thermodynamic power cycles, Heat transfer, Brayton cycle
Proceedings Papers

Transient Analysis of Supercritical Carbon Dioxide Air Cooler With Using IDAES Model

Russell Gentile, Ladislav Vesely, Vipul Goyal, Jayanta S. Kapat
Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A015, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59276
https://doi.org/10.1115/GT2021-59276
View Paper titled, Transient Analysis of Supercritical Carbon Dioxide Air Cooler With Using IDAES Model
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Topics: Supercritical carbon dioxide, Transient analysis, Design, Temperature, Thermodynamic power cycles, Brayton cycle, Carbon dioxide, Compressors, Computer software, Dynamic models
Proceedings Papers

Loop Transient Performance With a Closed Loop sCO2 Brayton Cycle

Stefan D. Cich, J. Jeffrey Moore, Meera Day Towler, Jason Mortzheim
Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A003, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-04135
https://doi.org/10.1115/GT2021-04135
View Paper titled, Loop Transient Performance With a Closed Loop sCO2 Brayton Cycle
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Topics: Brayton cycle, Transients (Dynamics), High temperature, Testing, Turbines, Atmospheric pressure, Carbon dioxide, Cycles, Density, Emergencies
Proceedings Papers

Mechanical Design and Testing of a 2.5 MW sCO 2 Compressor Loop

Stefan D. Cich, J. Jeffrey Moore, Chris Kulhanek, Meera Day Towler, Jason Mortzheim
Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A004, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-04155
https://doi.org/10.1115/GT2021-04155
View Paper titled, Mechanical Design and Testing of a 2.5 MW sCO 2 Compressor Loop
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Topics: Compressors, Design engineering, Testing, Carbon dioxide, Design, Domes (Structural elements), Inlet guide vanes, Brayton cycle, Compression, Construction
Proceedings Papers

Modeling and Testing of a Novel Ultra-Low Temperature sCO2 Opposing Piston Expander

Joshua Schmitt, Jordan Nielson
Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A027, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-60251
https://doi.org/10.1115/GT2021-60251
View Paper titled, Modeling and Testing of a Novel Ultra-Low Temperature sCO2 Opposing Piston Expander
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Topics: Modeling, Pistons, Temperature, Testing, Cycles, Brayton cycle, Cylinders, Cylinder tests (Concrete), Energy generation, Engines