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Karl Wygant
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Proceedings Papers

Technoeconomic Comparison of sCO2 and ORC Systems for Waste Heat Recovery

Timothy C. Allison, Jason C. Wilkes, Karl Wygant, Robert Pelton
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A029, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83434
https://doi.org/10.1115/GT2022-83434
View Paper titled, Technoeconomic Comparison of sCO2 and ORC Systems for Waste Heat Recovery
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Topics: Heat recovery, Organic Rankine cycle, Supercritical carbon dioxide, Thermodynamic power cycles
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

Leakage Characteristics of a Stepped Balance Piston Labyrinth Seal in Supercritical CO2

Jason Wilkes, Natalie R. Smith, Karl Wygant, Abhay Patil, Chris Kulhanek
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A023, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83262
https://doi.org/10.1115/GT2022-83262
View Paper titled, Leakage Characteristics of a Stepped Balance Piston Labyrinth Seal in Supercritical CO2
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Topics: Leakage, Pistons, Supercritical carbon dioxide, Thrust, Aerodynamics, Clearances (Engineering), Compressors, Computational fluid dynamics, Fluid-dynamic forces, Pressure
Proceedings Papers

Design and Testing of a 275 Bar 700 Degree Celsius Expander for an Integrally Geared Supercritical CO2 Compander

Jason Wilkes, Kyle Robinson, Karl Wygant, Rob Pelton, Jonathan Bygrave
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A025, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83284
https://doi.org/10.1115/GT2022-83284
View Paper titled, Design and Testing of a 275 Bar 700 Degree Celsius Expander for an Integrally Geared Supercritical CO2 Compander
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Topics: Design, Supercritical carbon dioxide, Testing, Compressors, Concentrating solar power, Creep, Fatigue, Gears, High pressure (Physics), High temperature
Proceedings Papers

Numerical Predictions of Mean Performance and Dynamic Behavior of a 10 MWe sCO2 Compressor with Test Data Validation

Ashvin Hosangadi, Tim Weathers, Zisen Liu, Robert Pelton, Karl Wygant, Jason Wilkes
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A009, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82017
https://doi.org/10.1115/GT2022-82017
View Paper titled, Numerical Predictions of Mean Performance and Dynamic Behavior of a 10 MWe sCO2 Compressor with Test Data Validation
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Topics: Carbon dioxide, Compressors, Condensation, Fluids, Surges
Journal Articles

Numerical Predictions of Mean Performance and Dynamic Behavior of a 10 MWe SCO 2 Compressor With Test Data Validation

Ashvin Hosangadi, Timothy Weathers, Jason Liu, Rob Pelton, Karl Wygant, Jason Wilkes
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2022, 144(12): 121019.
Paper No: GTP-22-1347
https://doi.org/10.1115/1.4055532
Published Online: October 14, 2022
View Article titled, Numerical Predictions of Mean Performance and Dynamic Behavior of a 10 MWe SCO 2 Compressor With Test Data Validation
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Topics: Compressors, Design, Flow (Dynamics), Fluids, Simulation, Temperature, Engineering simulation, Pressure, Impellers, Condensation
Proceedings Papers

A Novel Approach to Surge Control: High-Frequency Pressure Variance As an Indicator of Impending Surge in Centrifugal Compressors

Meera Day Towler, Tim Allison, Paul Krueger, Karl Wygant
Proc. ASME. GT2018, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T27A030, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-77222
https://doi.org/10.1115/GT2018-77222
View Paper titled, A Novel Approach to Surge Control: High-Frequency Pressure Variance As an Indicator of Impending Surge in Centrifugal Compressors
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Topics: Compressors, Pressure, Surges, Pipes, Testing, Diffusers, Filtration, Pressure measurement, Pressure transducers, Signals
Proceedings Papers

Cycle Modeling and Optimization of an Integrally Geared sCO 2 Compander

Jeffrey Bennett, Jason Wilkes, Timothy Allison, Robert Pelton, Karl Wygant
Proc. ASME. GT2017, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A014, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63707
https://doi.org/10.1115/GT2017-63707
View Paper titled, Cycle Modeling and Optimization of an Integrally Geared sCO 2 Compander
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Topics: Cycles, Modeling, Optimization, Design, Temperature, Compressors, Turbines, Concentrating solar power, Cooling, Flow (Dynamics)
Proceedings Papers

Lowering the Levelized Cost of Electricity of a Concentrating Solar Power Tower With a Supercritical Carbon Dioxide Power Cycle

Joshua Schmitt, Jason Wilkes, Timothy Allison, Jeffrey Bennett, Karl Wygant, Robert Pelton
Proc. ASME. GT2017, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A028, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64958
https://doi.org/10.1115/GT2017-64958
View Paper titled, Lowering the Levelized Cost of Electricity of a Concentrating Solar Power Tower With a Supercritical Carbon Dioxide Power Cycle
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Topics: Concentrating solar power, Supercritical carbon dioxide, Thermodynamic power cycles, Cycles, Carbon dioxide, Compressors, Emissions, Fluids, Renewable energy, Solar energy
Journal Articles

On the Predicted Effect of Angular Misalignment on the Performance of Oil Lubricated Thrust Collars in Integrally Geared Compressors

Travis A. Cable, Luis San Andrés, Karl Wygant
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2017, 139(4): 042503.
Paper No: GTP-16-1306
https://doi.org/10.1115/1.4034722
Published Online: November 2, 2016
View Article titled, On the Predicted Effect of Angular Misalignment on the Performance of Oil Lubricated Thrust Collars in Integrally Geared Compressors
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Topics: Thrust, Pressure, Stress, Film thickness, Gears, Flow (Dynamics), Lubricants
Proceedings Papers

On the Predicted Effect of Angular Misalignment on the Performance of Oil Lubricated Thrust Collars in Integrally Geared Compressors

Travis A. Cable, Luis San Andrés, Karl Wygant
Proc. ASME. GT2016, Volume 7B: Structures and Dynamics, V07BT31A032, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57888
https://doi.org/10.1115/GT2016-57888
View Paper titled, On the Predicted Effect of Angular Misalignment on the Performance of Oil Lubricated Thrust Collars in Integrally Geared Compressors
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Topics: Compressors, Thrust, Gears, Stiffness, Flow (Dynamics), Manufacturing, Pressure, Stress, Temperature, Compression
Journal Articles

On the Predicted Performance of Oil Lubricated Thrust Collars in Integrally Geared Compressors

Luis San Andrés, Travis A. Cable, Karl Wygant, Andron Morton
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2015, 137(5): 052502.
Paper No: GTP-14-1418
https://doi.org/10.1115/1.4028663
Published Online: May 1, 2015
View Article titled, On the Predicted Performance of Oil Lubricated Thrust Collars in Integrally Geared Compressors
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Topics: Film thickness, Friction, Pressure, Stress, Thrust, Compressors, Stiffness, Damping, Lubricants, Gears
Proceedings Papers

On the Predicted Performance of Oil Lubricated Thrust Collars in Integrally Geared Compressors

Luis San Andrés, Travis A. Cable, Karl Wygant, Andron Morton
Proc. ASME. GT2014, Volume 3B: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Supercritical CO2 Power Cycles; Wind Energy, V03BT25A016, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-25914
https://doi.org/10.1115/GT2014-25914
View Paper titled, On the Predicted Performance of Oil Lubricated Thrust Collars in Integrally Geared Compressors
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Topics: Compressors, Thrust, Gears, Pressure, Stress, Damping, Impellers, Stiffness, Compression, Design