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Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A001, June 7–11, 2021

Paper No: GT2021-02669

DOI: https://doi.org/10.1115/GT2021-02669

View Paper titled, Influence of Ambient Pressure on Measured Stiffness and Damping of Radial Gas Foil Bearings

Topics: Damping, Foil bearings, Pressure, Stiffness, Bearings, Gas bearings, Gases

Proceedings Papers

An Update on the Status of a Reduced Flow Test of a 10mw 700°C sCO2 Integrally Geared Compander

Kelsi M. Katcher, Jason Wilkes, Tim C. Allison

Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A001, June 7–11, 2021

Paper No: GT2021-02604

DOI: https://doi.org/10.1115/GT2021-02604

View Paper titled, An Update on the Status of a Reduced Flow Test of a 10mw 700°C sCO2 Integrally Geared Compander

Topics: Flow (Dynamics), Cycles, Design, Turbines, Compressors, Machinery, Supercritical carbon dioxide, Temperature, Testing, Thermodynamic power cycles

Proceedings Papers

The Influence of Ambient Pressure on the Measured Load Capacity of Bump-Foil and Spiral-Groove Gas Thrust Bearings at Ambient Pressures up to 69 Bar on a Novel High-Pressure Gas Bearing Test Rig

Jason Wilkes, Ryan Cater, Erik Swanson, Kevin Passmore, Jerry Brady

Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A037, June 17–21, 2019

Paper No: GT2019-91735

DOI: https://doi.org/10.1115/GT2019-91735

View Paper titled, The Influence of Ambient Pressure on the Measured Load Capacity of Bump-Foil and Spiral-Groove Gas Thrust Bearings at Ambient Pressures up to 69 Bar on a Novel High-Pressure Gas Bearing Test Rig

Topics: Gas bearings, High pressure (Physics), Pressure, Stress, Thrust bearings, Thrust, Bearings, Failure, Air bearings, Cavities

Proceedings Papers

Experimentally Measured Effectiveness of Different Shroud Swirl Brake Profiles in a Centrifugal Compressor

Jason Wilkes, Natalie Smith, Balaji Venkataraman, Marco Vagani, Sara Goucher

Proc. ASME. GT2019, Volume 7B: Structures and Dynamics, V07BT34A035, June 17–21, 2019

Paper No: GT2019-91676

DOI: https://doi.org/10.1115/GT2019-91676

View Paper titled, Experimentally Measured Effectiveness of Different Shroud Swirl Brake Profiles in a Centrifugal Compressor

Topics: Brakes, Compressors, Cavities, Dampers, Design, Probes, Bearings, Flow (Dynamics), Innovation, Rotors

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

Paper No: GT2017-63707

DOI: https://doi.org/10.1115/GT2017-63707

View Paper titled, Cycle Modeling and Optimization of an Integrally Geared sCO 2 Compander

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

Paper No: GT2017-64958

DOI: 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

Topics: Concentrating solar power, Supercritical carbon dioxide, Thermodynamic power cycles, Cycles, Carbon dioxide, Compressors, Emissions, Fluids, Renewable energy, Solar energy

Proceedings Papers

Mechanical Design Features of a Small Gas Turbine for Power Generation in Unmanned Aerial Vehicles

Caleb S. Cunningham, David Ransom, Jason Wilkes, John Bishop, Benjamin White

Proc. ASME. GT2015, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T23A021, June 15–19, 2015

Paper No: GT2015-43491

DOI: https://doi.org/10.1115/GT2015-43491

View Paper titled, Mechanical Design Features of a Small Gas Turbine for Power Generation in Unmanned Aerial Vehicles

Topics: Design engineering, Energy generation, Gas turbines, Unmanned aerial vehicles, Design, Bearings, Combustion chambers, Industrial lubrication systems, Additive manufacturing, Manufacturing

Journal Articles

An Improved Catcher Bearing Model and an Explanation of the Forward Whirl/Whip Phenomenon Observed in Active Magnetic Bearing Transient Drop Experiments

Jason Wilkes, Jeff Moore, David Ransom, Giuseppe Vannini

J. Eng. Gas Turbines Power. April 2014, 136(4): 042504.

Paper No: GTP-13-1313

DOI: https://doi.org/10.1115/1.4025890

Published Online: December 12, 2013

View Article titled, An Improved Catcher Bearing Model and an Explanation of the Forward Whirl/Whip Phenomenon Observed in Active Magnetic Bearing Transient Drop Experiments

Topics: Bearings, Rotors, Whirls

Proceedings Papers

An Improved Catcher Bearing Model and an Explanation of the Forward Whirl/Whip Phenomenon Observed in Active Magnetic Bearing Transient Drop Experiments

Jason Wilkes, Giuseppe Vannini, Jeff Moore, David Ransom

Proc. ASME. GT2013, Volume 7B: Structures and Dynamics, V07BT30A015, June 3–7, 2013

Paper No: GT2013-94594

DOI: https://doi.org/10.1115/GT2013-94594

View Paper titled, An Improved Catcher Bearing Model and an Explanation of the Forward Whirl/Whip Phenomenon Observed in Active Magnetic Bearing Transient Drop Experiments

Topics: Bearings, Magnetic bearings, Transients (Dynamics), Whirls, Rotors, Engineering simulation, Friction, Simulation, Compressors, Finite element analysis

Journal citation

NARROW

Experimentally Measured Effectiveness of Different Shroud Swirl Brake Profiles in a Centrifugal Compressor

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

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

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

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

The Pump-Turbine Selection Approach for Geomechanical Storage Facility

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

Influence of Ambient Pressure on Measured Stiffness and Damping of Radial Gas Foil Bearings

The Influence of Ambient Pressure on the Measured Load Capacity of Bump-Foil and Spiral-Groove Gas Thrust Bearings at Ambient Pressures up to 69 Bar on a Novel High-Pressure Gas Bearing Test Rig

Influence of Ambient Pressure on Measured Stiffness and Damping of Radial Gas Foil Bearings

An Update on the Status of a Reduced Flow Test of a 10mw 700°C sCO2 Integrally Geared Compander

The Influence of Ambient Pressure on the Measured Load Capacity of Bump-Foil and Spiral-Groove Gas Thrust Bearings at Ambient Pressures up to 69 Bar on a Novel High-Pressure Gas Bearing Test Rig

Experimentally Measured Effectiveness of Different Shroud Swirl Brake Profiles in a Centrifugal Compressor

Cycle Modeling and Optimization of an Integrally Geared sCO 2 Compander

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

Mechanical Design Features of a Small Gas Turbine for Power Generation in Unmanned Aerial Vehicles

An Improved Catcher Bearing Model and an Explanation of the Forward Whirl/Whip Phenomenon Observed in Active Magnetic Bearing Transient Drop Experiments

An Improved Catcher Bearing Model and an Explanation of the Forward Whirl/Whip Phenomenon Observed in Active Magnetic Bearing Transient Drop Experiments

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