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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

Paper No: GT2022-83434

DOI: https://doi.org/10.1115/GT2022-83434

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Topics: Heat recovery, Organic Rankine cycle, Supercritical carbon dioxide, Thermodynamic power cycles

Proceedings Papers

Power and Compression Analysis of Power-To-Gas Implementations in Natural Gas Pipelines With Up to 100% Hydrogen Concentration

Timothy C. Allison, John Klaerner, Stefan Cich, Rainer Kurz, Marybeth McBain

Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T20A011, June 7–11, 2021

Paper No: GT2021-59398

DOI: https://doi.org/10.1115/GT2021-59398

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Topics: Compression, Energy storage, Hydrogen, Methane, Natural gas distribution, Pipelines

Proceedings Papers

On Small Scale LNG Concepts

Rainer Kurz, Min Ji, Griffin Beck, Timothy C. Allison

Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T20A006, June 7–11, 2021

Paper No: GT2021-58989

DOI: https://doi.org/10.1115/GT2021-58989

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Topics: Liquefied natural gas, Cycles, Compressors, Preferences, Brayton cycle, Compression, Economics , Equipment performance, Gas turbines, Optimization

Proceedings Papers

Design of a Cooled sCO2 Combustion Test Rig for Steady-State Kinetics Testing

Kelsi M. Katcher, Timothy C. Allison, Michael Marshall, Yuin Jin, Chansun Lim, Sungho Chang

Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A002, June 7–11, 2021

Paper No: GT2021-04122

DOI: https://doi.org/10.1115/GT2021-04122

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Topics: Combustion, Design, Steady state, Testing, Temperature, Cycles, Flow (Dynamics), Carbon capture and storage, Chemical kinetics, Circuits

Proceedings Papers

Igniter Testing for sCO2 Oxy-Combustion

Kelsi M. Katcher, Timothy C. Allison, Shane Coogan, Yuin Jin, Chansun Lim, Sungho Chang

Proc. ASME. GT2019, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A017, June 17–21, 2019

Paper No: GT2019-90899

DOI: https://doi.org/10.1115/GT2019-90899

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Topics: Combustion, Testing, Ignition, Lasers, Carbon dioxide, Ignition systems, Combustion chambers, Natural gas, Uncertainty, Carbon capture and storage

Proceedings Papers

Measurements of End Cap Temperatures in a Multistage Barrel-Style Centrifugal Compressor

Natalie R. Smith, Jason C. Wilkes, Jonathan Wade, Timothy C. Allison, Meera Day Towler, J. Jeffrey Moore, Ian Weinberg, Michael McCune

Proc. ASME. GT2019, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T27A026, June 17–21, 2019

Paper No: GT2019-91798

DOI: https://doi.org/10.1115/GT2019-91798

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Topics: Compressors, Temperature, Gas compressors, Fluids, Leakage, Risk, Seals, Temperature distribution

Proceedings Papers

Limiting Inlet Conditions for Phase Change Avoidance in Supercritical CO 2 Compressors

Timothy C. Allison, Aaron McClung

Proc. ASME. GT2019, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A007, June 17–21, 2019

Paper No: GT2019-90409

DOI: https://doi.org/10.1115/GT2019-90409

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Topics: Compressors, Supercritical carbon dioxide, Mach number, Temperature, Cycles, Design, Pressure, Cavitation, Condensation, Fluids

Journal Articles

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

J. Eng. Gas Turbines Power. June 2019, 141(6): 061014.

Paper No: GTP-18-1622

DOI: https://doi.org/10.1115/1.4041921

Published Online: February 19, 2019

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Topics: Design, Flow (Dynamics), High temperature, Pressure, Temperature, Transients (Dynamics), Turbines, Pumps, Failure mechanisms, Pipes

Journal Articles

Experimental Validation of a Wide-Range Centrifugal Compressor Stage for Supercritical CO 2 Power Cycles

Timothy C. Allison, Natalie R. Smith, Robert Pelton, Jason C. Wilkes, Sewoong Jung

J. Eng. Gas Turbines Power. June 2019, 141(6): 061011.

Paper No: GTP-18-1621

DOI: https://doi.org/10.1115/1.4041920

Published Online: February 18, 2019

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Topics: Compressors, Computational fluid dynamics, Design, Flow (Dynamics), Impellers, Thermodynamic power cycles, Diffusers, Temperature, Supercritical carbon dioxide

Journal Articles

The Comparison of Aerodynamic Performance Data Acquired From Thermal Measurements and a Torquemeter on a Compressor Impeller

Natalie R. Smith, Timothy C. Allison, Jason C. Wilkes, Christopher Clarke, Michael Cave

J. Eng. Gas Turbines Power. April 2019, 141(4): 041011.

Paper No: GTP-18-1623

DOI: https://doi.org/10.1115/1.4041740

Published Online: November 16, 2018

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Topics: Flow (Dynamics), Heat, Heat losses, Impellers, Temperature, Torque, Torquemeters, Enthalpy, Steady state, Measurement uncertainty

Proceedings Papers

Modeling and Mitigation of Acoustic Induced Vibration (AIV) in Piping Systems

Brandon L. Ridens, Timothy C. Allison, Sarah B. Simons, Klaus Brun

Proc. ASME. PVP2018, Volume 7: Operations, Applications, and Components, V007T07A009, July 15–20, 2018

Paper No: PVP2018-84107

DOI: https://doi.org/10.1115/PVP2018-84107

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Topics: Acoustics, Modeling, Piping systems, Vibration, Computational fluid dynamics, Pipes, Pressure, Testing, Accelerometers, Engineering simulation

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

Paper No: GT2018-75873

DOI: https://doi.org/10.1115/GT2018-75873

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Topics: High temperature, Transients (Dynamics), Design, Failure, Supercritical carbon dioxide, Temperature, Turbomachinery, Centrifugal pumps, Control systems, Cycles

Proceedings Papers

The Comparison of Aerodynamic Performance Data Acquired From Thermal Measurements and a Torquemeter on a Compressor Impeller

Natalie R. Smith, Christopher Clarke, Timothy C. Allison, Michael Cave, Jason C. Wilkes

Proc. ASME. GT2018, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T27A029, June 11–15, 2018

Paper No: GT2018-77016

DOI: https://doi.org/10.1115/GT2018-77016

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Topics: Compressor impellers, Torquemeters, Heat, Heat losses, Steady state, Torque, Enthalpy, Impellers, Machinery, Measurement uncertainty

Proceedings Papers

Experimental Validation of a Wide-Range Centrifugal Compressor Stage for Supercritical CO 2 Power Cycles

Timothy C. Allison, Natalie R. Smith, Robert Pelton, Sewoong Jung, Jason C. Wilkes

Proc. ASME. GT2018, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A023, June 11–15, 2018

Paper No: GT2018-77026

DOI: https://doi.org/10.1115/GT2018-77026

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Topics: Compressors, Supercritical carbon dioxide, Thermodynamic power cycles, Design, Flow (Dynamics), Carbon dioxide, Cycles, Impellers, Transients (Dynamics), Computational fluid dynamics

Proceedings Papers

Acoustically Induced Vibration Mitigations in Compressor Piping Systems

Timothy C. Allison, Jeffrey Bennett

Proc. ASME. GT2016, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T24A023, June 13–17, 2016

Paper No: GT2016-57800

DOI: https://doi.org/10.1115/GT2016-57800

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Topics: Acoustics, Compressors, Piping systems, Vibration, Pipes, Stress, Valves, Pressure, Safety, Physics

Journal Articles

Testing and Modeling of an Acoustic Instability in Pilot-Operated Pressure Relief Valves

Timothy C. Allison, Klaus Brun

J. Eng. Gas Turbines Power. May 2016, 138(5): 052401.

Paper No: GTP-15-1279

DOI: https://doi.org/10.1115/1.4031623

Published Online: November 3, 2015

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Topics: Acoustics, Flow (Dynamics), Modeling, Pipes, Pistons, Pressure, Relief valves, Testing, Valves, Chatter

Proceedings Papers

Testing and Modeling of an Acoustic Instability in Pilot-Operated Pressure Relief Valves

Timothy C. Allison, Klaus Brun

Proc. ASME. GT2015, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T24A016, June 15–19, 2015

Paper No: GT2015-43797

DOI: https://doi.org/10.1115/GT2015-43797

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Topics: Acoustics, Modeling, Relief valves, Testing, Valves, Failure, Oscillations, Pipes, Piping systems, Chatter

Proceedings Papers

Open-Loop Aerodynamic Performance Testing of a 105,000 rpm Oil-Free Compressor-Expander for Subsurface Natural Gas Compression and Reinjection

Aaron M. Rimpel, Timothy C. Allison, J. Jeffrey Moore, Joseph S. Grieco, Perry C. Shy, John M. Klein, Jerry L. Brady

Proc. ASME. GT2012, Volume 5: Manufacturing Materials and Metallurgy; Marine; Microturbines and Small Turbomachinery; Supercritical CO2 Power Cycles, 703-712, June 11–15, 2012

Paper No: GT2012-69017

DOI: https://doi.org/10.1115/GT2012-69017

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Topics: Compression, Compressors, Natural gas, Testing performance, Turbines, Turbomachinery

Proceedings Papers

Effects of Stator Flow Distortion on Rotating Blade Endurance: Part 2—Stress Analysis and Failure Criteria

Harold Simmons, Vishwas Iyengar, Timothy C. Allison

Proc. ASME. GT2012, Volume 6: Oil and Gas Applications; Concentrating Solar Power Plants; Steam Turbines; Wind Energy, 213-223, June 11–15, 2012

Paper No: GT2012-70013

DOI: https://doi.org/10.1115/GT2012-70013

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Topics: Failure, Flow (Dynamics), Rotating blades, Stators, Stress analysis (Engineering), Stress, Blades, Excitation, High cycle fatigue, Resonance

Proceedings Papers

Revisiting the SAFE Diagram for Analysis of Mistuned Bladed Disks

Timothy C. Allison, J. Jeffrey Moore, Andrew H. Lerche, Harold R. Simmons

Proc. ASME. GT2012, Volume 6: Oil and Gas Applications; Concentrating Solar Power Plants; Steam Turbines; Wind Energy, 141-153, June 11–15, 2012

Paper No: GT2012-69014

DOI: https://doi.org/10.1115/GT2012-69014

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Topics: Disks, Blades, Excitation, Design, Failure, Finite element analysis, Flow (Dynamics), Mode shapes, Stress

Journal citation

NARROW

Technoeconomic Comparison of sCO2 and ORC Systems for Waste Heat Recovery

Power and Compression Analysis of Power-To-Gas Implementations in Natural Gas Pipelines With Up to 100% Hydrogen Concentration

On Small Scale LNG Concepts

Design of a Cooled sCO2 Combustion Test Rig for Steady-State Kinetics Testing

Igniter Testing for sCO2 Oxy-Combustion

Measurements of End Cap Temperatures in a Multistage Barrel-Style Centrifugal Compressor

Limiting Inlet Conditions for Phase Change Avoidance in Supercritical CO 2 Compressors

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

Experimental Validation of a Wide-Range Centrifugal Compressor Stage for Supercritical CO 2 Power Cycles

The Comparison of Aerodynamic Performance Data Acquired From Thermal Measurements and a Torquemeter on a Compressor Impeller

Modeling and Mitigation of Acoustic Induced Vibration (AIV) in Piping Systems

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

The Comparison of Aerodynamic Performance Data Acquired From Thermal Measurements and a Torquemeter on a Compressor Impeller

Experimental Validation of a Wide-Range Centrifugal Compressor Stage for Supercritical CO 2 Power Cycles

Acoustically Induced Vibration Mitigations in Compressor Piping Systems

Testing and Modeling of an Acoustic Instability in Pilot-Operated Pressure Relief Valves

Testing and Modeling of an Acoustic Instability in Pilot-Operated Pressure Relief Valves

Open-Loop Aerodynamic Performance Testing of a 105,000 rpm Oil-Free Compressor-Expander for Subsurface Natural Gas Compression and Reinjection

Effects of Stator Flow Distortion on Rotating Blade Endurance: Part 2—Stress Analysis and Failure Criteria

Revisiting the SAFE Diagram for Analysis of Mistuned Bladed Disks

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