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Proceedings Papers

STEP 10 MWe sCO 2 Turbine Commissioning

J. Jeffrey Moore, John D. Klaerner, Jonathan L. Wade, Jason Mortzheim, Giridhar Jothiprasad
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A044, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129200
https://doi.org/10.1115/GT2024-129200
View Paper titled, STEP 10 MWe sCO 2 Turbine Commissioning
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Topics: Turbines, Cycles, Brayton cycle, Design, Electricity (Physics), Manufacturing, Mechanical testing, Rotation, Supercritical carbon dioxide, Temperature
Proceedings Papers

The STEP 10 MWe sCO 2 Pilot Demonstration Status Update

John Marion, Scott Macadam, Aaron McClung, Jason Mortzheim
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A034, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83588
https://doi.org/10.1115/GT2022-83588
View Paper titled, The STEP 10 MWe sCO 2 Pilot Demonstration Status Update
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Topics: Construction, Cycles, Design, Electricity (Physics), Energy generation, Manufacturing, Supercritical carbon dioxide, Teams, Test facilities
Proceedings Papers

The STEP 10 MWe sCO 2 Pilot Demonstration Status Update

John Marion, Brian Lariviere, Aaron McClung, Jason Mortzheim
Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A011, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58981
https://doi.org/10.1115/GT2021-58981
View Paper titled, The STEP 10 MWe sCO 2 Pilot Demonstration Status Update
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Topics: Construction, Cycles, Design, Energy generation, Manufacturing, Supercritical carbon dioxide, Teams, Test facilities
Proceedings Papers

Operation and Control of a Supercritical CO 2 Compressor

Joshua D. Neveu, Stefan D. Cich, J. Jeffrey Moore, Jason Mortzheim
Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A017, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59359
https://doi.org/10.1115/GT2021-59359
View Paper titled, Operation and Control of a Supercritical CO 2 Compressor
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Topics: Compressors, Control systems, Supercritical carbon dioxide
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

Challenges With Measuring Supercritical CO2 Compressor Performance When Approaching the Liquid-Vapor Dome

Jason Mortzheim, Doug Hofer, Stephan Priebe, Aaron McClung, J. Jeffery Moore, Stefan Cich
Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A019, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59527
https://doi.org/10.1115/GT2021-59527
View Paper titled, Challenges With Measuring Supercritical CO2 Compressor Performance When Approaching the Liquid-Vapor Dome
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Topics: Compressors, Domes (Structural elements), Supercritical carbon dioxide, Vapors, Uncertainty, Density, Carbon dioxide, Compression, Pressure, Cycles
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

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

Development and Testing of a 10 MWe Supercritical CO2 Turbine in a 1 MWe Flow Loop

Jeffrey Moore, Stefan Cich, Meera Day-Towler, Jason Mortzheim
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T31A018, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15945
https://doi.org/10.1115/GT2020-15945
View Paper titled, Development and Testing of a 10 MWe Supercritical CO2 Turbine in a 1 MWe Flow Loop
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Topics: Flow (Dynamics), Supercritical carbon dioxide, Testing, Turbines, Cycles, Steam, Heat, Temperature, Thermal efficiency, Transients (Dynamics)
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

Supercritical CO 2 Tests for Hydrostatic Film Stiffness in Film-Riding Seals

Deepak Trivedi, Rahul A. Bidkar, Christopher E. Wolfe, Jason Mortzheim
Proc. ASME. GT2019, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A018, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90975
https://doi.org/10.1115/GT2019-90975
View Paper titled, Supercritical CO 2 Tests for Hydrostatic Film Stiffness in Film-Riding Seals
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Topics: Hydrostatics, Stiffness, Supercritical carbon dioxide, Bearings, Temperature, Computational fluid dynamics, Flow (Dynamics), Fluid films, Fluids, Design
Proceedings Papers

Radial Inlet and Exit Design for a 10 MWe sCO 2 Axial Turbine

Stefan D. Cich, J. Jeffrey Moore, Michael Marshall, Kevin Hoopes, Jason Mortzheim, Douglas Hofer
Proc. ASME. GT2019, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A005, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90392
https://doi.org/10.1115/GT2019-90392
View Paper titled, Radial Inlet and Exit Design for a 10 MWe sCO 2 Axial Turbine
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Topics: Design, Turbines, Power density, Cycles, Brayton cycle, Degrees of freedom, Engines, Flow (Dynamics), High temperature, Machinery
Proceedings Papers

Loop Filling and Start Up With a Closed Loop sCO 2 Brayton Cycle

Stefan D. Cich, J. Jeffrey Moore, Meera Day Towler, Jason Mortzheim, Douglas Hofer
Proc. ASME. GT2019, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A006, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90393
https://doi.org/10.1115/GT2019-90393
View Paper titled, Loop Filling and Start Up With a Closed Loop sCO 2 Brayton Cycle
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Topics: Atmospheric pressure, Brayton cycle, Carbon dioxide, Cycles, Density, Emergencies, Ice, Mechanical testing, Testing, Transients (Dynamics)
Proceedings Papers

Fundamental Design Issues of Brush Seals for Industrial Applications

Saim Dinc, Mehmet Demiroglu, Norman Turnquist, Jason Mortzheim, Gayle Goetze, John Maupin, James Hopkins, Christopher Wolfe, Mark Florin
Proc. ASME. GT2001, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A080, June 4–7, 2001
Publisher: American Society of Mechanical Engineers
Paper No: 2001-GT-0400
https://doi.org/10.1115/2001-GT-0400
View Paper titled, Fundamental Design Issues of Brush Seals for Industrial Applications
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Topics: Design, Failure mechanisms, Blades, Creep, Fatigue, High temperature, Oxidation, Stress, Tradeoffs, Turbines
Journal Articles

Fundamental Design Issues of Brush Seals for Industrial Applications

Saim Dinc, Mehmet Demiroglu, Norman Turnquist, Jason Mortzheim, Gayle Goetze, John Maupin, James Hopkins, Christopher Wolfe, Mark Florin
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. April 2002, 124(2): 293–300.
https://doi.org/10.1115/1.1451847
Published Online: April 9, 2002
View Article titled, Fundamental Design Issues of Brush Seals for Industrial Applications
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Topics: Design, Gas turbines, Flow (Dynamics), Steam turbines