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Proceedings Papers

Pressure Actuated Leaf Seal Design and Test for sCO2 Applications

Clayton Grondahl, Rich Armstrong
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A012, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102258
https://doi.org/10.1115/GT2023-102258
View Paper titled, Pressure Actuated Leaf Seal Design and Test for sCO2 Applications
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Topics: Design, Pressure, Leakage, Sealing (Process), Cycles, Dynamic testing (Engineering), Dynamic testing (Materials), Energy conversion, Leakage flows, Turbomachinery
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

Pressure Losses Analysis in Two High-Pressure Steam Turbine Control Valves Situated in One Valve Chamber

Vaclav Slama, Bartolomej Rudas, David Simurda, Jindrich Hala, Martin Luxa
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T20A002, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-78969
https://doi.org/10.1115/GT2022-78969
View Paper titled, Pressure Losses Analysis in Two High-Pressure Steam Turbine Control Valves Situated in One Valve Chamber
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Topics: High pressure (Physics), Pressure, Steam turbines, Valves, Flow (Dynamics), Stress, Computer simulation, Computer software, Design, Energy conversion
Proceedings Papers

Analysis of sCO 2 Waste Heat Recovery System for Application in a Cement Plant

Ladislav Vesely, Scott Macadam, Jayanta Kapat, Ganesan Subbaraman
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A030, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83440
https://doi.org/10.1115/GT2022-83440
View Paper titled, Analysis of sCO 2 Waste Heat Recovery System for Application in a Cement Plant
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Topics: Cement plants, Cements (Adhesives), Heat recovery, Waste heat, Cycles, Organic Rankine cycle, Carbon dioxide, Emissions, Thermodynamic power cycles, Energy generation
Proceedings Papers

Surge Prevention Techniques for a Turbocharged Solid Oxide Fuel Cell Hybrid System

L. Mantelli, M. L. Ferrari, A. Traverso
Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T06A008, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59264
https://doi.org/10.1115/GT2021-59264
View Paper titled, Surge Prevention Techniques for a Turbocharged Solid Oxide Fuel Cell Hybrid System
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Topics: Solid oxide fuel cells, Surges, Compressors, Fuel cells, Turbines, Turbochargers, Pressure, Transients (Dynamics), Air conditioning, Damage
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

Complex Energy Networks Optimization: Part II — Software Application to a Case Study

M. A. Ancona, M. Bianchi, L. Branchini, A. De Pascale, F. Melino, A. Peretto, J. Rosati
Proc. ASME. GT2020, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V008T17A002, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14206
https://doi.org/10.1115/GT2020-14206
View Paper titled, Complex Energy Networks Optimization: Part II — Software Application to a Case Study
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Topics: Computer software, Optimization, Energy / power systems, Energy generation, Cooling, Absorption, Algorithms, Boilers, Combined heat and power, Compression
Proceedings Papers

Investigation of Unsteady Pressure Fluctuations in a Simplified Steam Turbine Control Valve

Christian Windemuth, Martin Lange, Ronald Mailach
Proc. ASME. GT2020, Volume 9: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Steam Turbine, V009T23A009, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14632
https://doi.org/10.1115/GT2020-14632
View Paper titled, Investigation of Unsteady Pressure Fluctuations in a Simplified Steam Turbine Control Valve
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Topics: Fluctuations (Physics), Pressure, Steam turbines, Valves, Stress, Flow (Dynamics), Shapes, Boilers, Couplings, Diffusers
Proceedings Papers

Feasibility of Innovative Solar-Thermo-Acoustic Power Conversion Cycles

Omar Behar, Saumitra Saxena, William L. Roberts
Proc. ASME. GT2020, Volume 5: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage, V005T06A013, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15275
https://doi.org/10.1115/GT2020-15275
View Paper titled, Feasibility of Innovative Solar-Thermo-Acoustic Power Conversion Cycles
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Topics: Acoustics, Cycles, Energy conversion, Solar energy, Thermoacoustic devices, Engines, Exergy, Solar collectors, Solar thermal power, Stirling engines
Proceedings Papers

Design Optimization of a Multi-kW Thermoacoustic Electric Generator Using DeltaEC Model

Srinath Somu, Deanna Lacoste, Saumitra Saxena, William L. Roberts, Robert M. Keolian
Proc. ASME. GT2020, Volume 5: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage, V005T06A021, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15419
https://doi.org/10.1115/GT2020-15419
View Paper titled, Design Optimization of a Multi-kW Thermoacoustic Electric Generator Using DeltaEC Model
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Topics: Acoustics, Cycles, Design, Gas turbines, Generators, Optimization, Dimensions, Heat, Heat recovery, Power stations
Proceedings Papers

The STEP 10 MWe sCO 2 Pilot Demonstration Status Update

John Marion, Brian Lariviere, Aaron McClung, Jason Mortzheim, Robin Ames
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T31A002, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14334
https://doi.org/10.1115/GT2020-14334
View Paper titled, The STEP 10 MWe sCO 2 Pilot Demonstration Status Update
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Topics: Brayton cycle, Concentrating solar power, Construction, Cycles, Design, Energy conversion, Energy generation, Fluids, Heat, Heat recovery
Proceedings Papers

Effects of Varying Liquid Fuel and Air Co-Flow Rates on Spray Characterisation of an Annular Co-Flow Spray Burner

R. A. Alsulami, S. Nates, W. Wang, S. H. Won, Bret Windom
Proc. ASME. GT2019, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A005, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90989
https://doi.org/10.1115/GT2019-90989
View Paper titled, Effects of Varying Liquid Fuel and Air Co-Flow Rates on Spray Characterisation of an Annular Co-Flow Spray Burner
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Topics: Flow (Dynamics), Fuels, Sprays, Drops, Air flow, Turbulence, Combustion, Flames, Stability, Combustion systems
Proceedings Papers

Solid Biomass to Medium CV Gas Conversion With Rich Combustion

Gordon E. Andrews, Aysha Irshad, Herodotus N. Phylaktou, Bernard M. Gibbs
Proc. ASME. GT2019, Volume 3: Coal, Biomass, Hydrogen, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems, V003T03A002, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90196
https://doi.org/10.1115/GT2019-90196
View Paper titled, Solid Biomass to Medium CV Gas Conversion With Rich Combustion
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Topics: Biomass, Combustion, Fuel gasification, Pine (Wood product), Gases, Hydrogen, Exhaust systems, Fourier transform infrared spectroscopy, Fuels, Heat
Proceedings Papers

Adaptive Control of Micro Gas Turbine for Engine Degradation Compensation

Valentina Zaccaria, Mario L. Ferrari, Konstantinos Kyprianidis
Proc. ASME. GT2019, Volume 3: Coal, Biomass, Hydrogen, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems, V003T06A004, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90894
https://doi.org/10.1115/GT2019-90894
View Paper titled, Adaptive Control of Micro Gas Turbine for Engine Degradation Compensation
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Topics: Adaptive control, Engines, Micro gas turbines, Gas turbines, Turbines, Combined heat and power, Control equipment, Distributed power generation, Energy conversion, Industrial gases
Proceedings Papers

The STEP 10 MWe sCO 2 Pilot Plant Demonstration

John Marion, Mike Kutin, Aaron McClung, Jason Mortzheim, Robin Ames
Proc. ASME. GT2019, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A031, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91917
https://doi.org/10.1115/GT2019-91917
View Paper titled, The STEP 10 MWe sCO 2 Pilot Plant Demonstration
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Topics: Brayton cycle, Concentrating solar power, Construction, Cycles, Design, Energy conversion, Energy generation, Fluids, Heat, Heat recovery
Proceedings Papers

Effect of Compressor Inlet Condition on Supercritical Carbon Dioxide Compressor Performance

Haoxiang Chen, Weilin Zhuge, Yangjun Zhang, Hongdan Liu
Proc. ASME. GT2019, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A012, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90647
https://doi.org/10.1115/GT2019-90647
View Paper titled, Effect of Compressor Inlet Condition on Supercritical Carbon Dioxide Compressor Performance
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Topics: Compressors, Supercritical carbon dioxide, Cycles, Pressure, Temperature, Carbon dioxide, Density, Design, Design methodology, Energy conversion
Proceedings Papers

Exergy Loss Considerations in Education for a Turbofan Power Cycle

Hans E. Wettstein
Proc. ASME. GT2018, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T07A001, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75048
https://doi.org/10.1115/GT2018-75048
View Paper titled, Exergy Loss Considerations in Education for a Turbofan Power Cycle
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Topics: Education, Exergy, Thermodynamic power cycles, Turbofans, Cycles, Heat, Simulation, Design, Energy resources, Entropy
Proceedings Papers

Centrifugal Compressor Design for Near-Critical Point Applications

Alireza Ameli, Ali Afzalifar, Teemu Turunen-Saaresti, Jari Backman
Proc. ASME. GT2018, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A001, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75067
https://doi.org/10.1115/GT2018-75067
View Paper titled, Centrifugal Compressor Design for Near-Critical Point Applications
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Topics: Compressors, Design, Brayton cycle, Design methodology, Compressibility, Cycles, Energy conversion, Enthalpy, Skin friction (Fluid dynamics), Supercritical carbon dioxide
Proceedings Papers

Preliminary Study of Supercritical CO 2 Mixed With Gases for Power Cycle in Warm Environments

Seungjoon Baik, Jeong Ik Lee
Proc. ASME. GT2018, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A017, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76386
https://doi.org/10.1115/GT2018-76386
View Paper titled, Preliminary Study of Supercritical CO 2 Mixed With Gases for Power Cycle in Warm Environments
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Topics: Gases, Supercritical carbon dioxide, Thermodynamic power cycles, Temperature, Carbon dioxide, Waste heat, Air flow, Brayton cycle, Compressibility, Compression
Proceedings Papers

Catalytic Influence of Water Vapor on Lean Blowoff and NO x Reduction for Pressurised Swirling Syngas Flames

Daniel Pugh, Philip Bowen, Andrew Crayford, Richard Marsh, Jon Runyon, Steven Morris, Anthony Giles
Proc. ASME. GT2017, Volume 4B: Combustion, Fuels and Emissions, V04BT04A033, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64609
https://doi.org/10.1115/GT2017-64609
View Paper titled, Catalytic Influence of Water Vapor on Lean Blowoff and NO x Reduction for Pressurised Swirling Syngas Flames
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Topics: Flames, Nitrogen oxides, Swirling flow, Syngas, Water vapor, Water, Temperature, Pressure, Combustion, Stability