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Proceedings Papers

Rotordynamic Force Coefficient Prediction of an Unshrouded Radial Inflow Expander and Labyrinth Seal Using Transient Computational Fluid Dynamic Analysis

Chris D. Kulhanek, Hector A. Delgado, Michael P. Marshall, J. Jeffrey Moore, Joseph Lillard, Yunbae Kim
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT22A021, June 13–17, 2022
Paper No: GT2022-83257
DOI: https://doi.org/10.1115/GT2022-83257
View Paper titled, Rotordynamic Force Coefficient Prediction of an Unshrouded Radial Inflow Expander and Labyrinth Seal Using Transient Computational Fluid Dynamic Analysis
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Topics: Computational fluid dynamics, Inflow, Stiffness, Transients (Dynamics)
Proceedings Papers

Oxygen Storage Incorporated Into Net Power and the Allam-Fetvedt Oxy-Fuel sCO 2 Power Cycle – Technoeconomic Analysis

J. Jeffrey Moore, Owen Pryor, Ian Cormier, Jeremy Fetvedt
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A010, June 13–17, 2022
Paper No: GT2022-82060
DOI: https://doi.org/10.1115/GT2022-82060
View Paper titled, Oxygen Storage Incorporated Into Net Power and the Allam-Fetvedt Oxy-Fuel sCO 2 Power Cycle – Technoeconomic Analysis
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Topics: Energy storage, Fuels, Oxygen, Storage, Thermodynamic power cycles
Proceedings Papers

Effects of Scalloped Centrifugal Impellers on Aerodynamic and Rotordynamic Performance Using CFD Techniques

J. Jeffrey Moore
Proc. ASME. IMECE2000, Challenges and Goals in Industrial and Pipeline Compressors, 127-138, November 5–10, 2000
Paper No: IMECE2000-1679
DOI: https://doi.org/10.1115/IMECE2000-1679
View Paper titled, Effects of Scalloped Centrifugal Impellers on Aerodynamic and Rotordynamic Performance Using CFD Techniques
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Topics: Computational fluid dynamics, Impellers, Flow (Dynamics), Diffusers, Thrust, Blades, High cycle fatigue, Horsepower, Pressure, Shear stress
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
Paper No: GT2021-59359
DOI: 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
Paper No: GT2021-04135
DOI: 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

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
Paper No: GT2021-04155
DOI: 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

Three-Dimensional CFD Rotordynamic Analysis of Gas Labyrinth Seals

J. Jeffrey Moore
Proc. ASME. IDETC-CIE2001, Volume 6A: 18th Biennial Conference on Mechanical Vibration and Noise, 791-800, September 9–12, 2001
Paper No: DETC2001/VIB-21394
DOI: https://doi.org/10.1115/DETC2001/VIB-21394
View Paper titled, Three-Dimensional CFD Rotordynamic Analysis of Gas Labyrinth Seals
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Topics: Computational fluid dynamics, Flow (Dynamics), Leakage, Shear stress, Cavities, Fluids, Geometry, High pressure (Physics), Internal flow, Machinery
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
View Paper titled, Measurements of End Cap Temperatures in a Multistage Barrel-Style Centrifugal Compressor
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Topics: Compressors, Temperature, Gas compressors, Fluids, Leakage, Risk, Seals, Temperature distribution
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
Paper No: GT2019-90393
DOI: 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

A Method for Rotordynamic Force Prediction of a Centrifugal Compressor Impeller Front Cavity Using a Transient Whirling CFD Technique

Kevin Hoopes, J. Jeffrey Moore, Aaron Rimpel, Chris Kulhanek, Balaji Venkataraman
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT33A011, June 17–21, 2019
Paper No: GT2019-91904
DOI: https://doi.org/10.1115/GT2019-91904
View Paper titled, A Method for Rotordynamic Force Prediction of a Centrifugal Compressor Impeller Front Cavity Using a Transient Whirling CFD Technique
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Topics: Cavities, Compressor impellers, Computational fluid dynamics, Transients (Dynamics), Whirls, Impellers, Modeling, Simulation, Stability
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
Paper No: GT2019-90392
DOI: 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
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
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
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
View Article titled, Planning for Successful Transients and Trips in a 1 MW e -Scale High-Temperature sCO 2 Test Loop
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Topics: Design, Flow (Dynamics), High temperature, Pressure, Temperature, Transients (Dynamics), Turbines, Pumps, Failure mechanisms, Pipes
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
View Paper titled, Planning for Successful Transients and Trips in a 1 MW e -Scale High-Temperature sCO 2 Test Loop
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Topics: High temperature, Transients (Dynamics), Design, Failure, Supercritical carbon dioxide, Temperature, Turbomachinery, Centrifugal pumps, Control systems, Cycles
Proceedings Papers

Design of an Air Dynamometer for Direct Connection to the SunShot SCO 2 Turbine Expander Shaft

Kevin Hoopes, J. Jeffrey Moore, Stefan Cich, Chiranjeev Kalra
Proc. ASME. GT2015, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T36A018, June 15–19, 2015
Paper No: GT2015-44056
DOI: https://doi.org/10.1115/GT2015-44056
View Paper titled, Design of an Air Dynamometer for Direct Connection to the SunShot SCO 2 Turbine Expander Shaft
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Topics: Design, Dynamometers, Turbines, Compressors, Air compressors, Bearings, Design engineering, Flow (Dynamics), Impellers, Stress
Proceedings Papers

Aerodynamically Induced Radial Forces in a Centrifugal Gas Compressor: Part 1 — Experimental Measurement

J. Jeffrey Moore, Michael B. Flathers
Proc. ASME. GT1996, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General, V005T14A015, June 10–13, 1996
Paper No: 96-GT-120
DOI: https://doi.org/10.1115/96-GT-120
View Paper titled, Aerodynamically Induced Radial Forces in a Centrifugal Gas Compressor: Part 1 — Experimental Measurement
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Topics: Gas compressors, Bearings, Centrifugal pumps, Design, Pressure, Stress, Diffusers, Flow (Dynamics), Fluid films, Impellers
Proceedings Papers

Rotordynamic Force Prediction of Whirling Centrifugal Impeller Shroud Passages Using Computational Fluid Dynamic Techniques

J. Jeffrey Moore, Alan B. Palazzolo
Proc. ASME. GT1999, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award; General, V004T03A036, June 7–10, 1999
Paper No: 99-GT-334
DOI: https://doi.org/10.1115/99-GT-334
View Paper titled, Rotordynamic Force Prediction of Whirling Centrifugal Impeller Shroud Passages Using Computational Fluid Dynamic Techniques
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Topics: Computational fluid dynamics, Impellers, Whirls, Design, Flow (Dynamics), Rotordynamics, Aerodynamics, Centrifugal pumps, Damping, Finite element analysis
Proceedings Papers

Rotordynamic Force Prediction of an Unshrouded Radial Inflow Turbine Using Computational Fluid Dynamics

Andrew H. Lerche, Grant O. Musgrove, J. Jeffrey Moore, Chris D. Kulhanek, Grant Nordwall
Proc. ASME. GT2013, Volume 7A: Structures and Dynamics, V07AT29A015, June 3–7, 2013
Paper No: GT2013-95137
DOI: https://doi.org/10.1115/GT2013-95137
View Paper titled, Rotordynamic Force Prediction of an Unshrouded Radial Inflow Turbine Using Computational Fluid Dynamics
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Topics: Computational fluid dynamics, Inflow, Turbines, Flow (Dynamics), Rotation, Rotors, Transients (Dynamics), Bearings, Blades, Clearances (Engineering)
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
View Paper titled, Open-Loop Aerodynamic Performance Testing of a 105,000 rpm Oil-Free Compressor-Expander for Subsurface Natural Gas Compression and Reinjection
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Topics: Compression, Compressors, Natural gas, Testing performance, Turbines, Turbomachinery
Proceedings Papers

Rotordynamics of a 105,000 rpm Oil-Free Compressor-Expander for Subsurface Natural Gas Compression and Reinjection

Aaron M. Rimpel, 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, 753-766, June 11–15, 2012
Paper No: GT2012-69119
DOI: https://doi.org/10.1115/GT2012-69119
View Paper titled, Rotordynamics of a 105,000 rpm Oil-Free Compressor-Expander for Subsurface Natural Gas Compression and Reinjection
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Topics: Compression, Compressors, Natural gas, Rotordynamics, Stability, Turbines
Proceedings Papers

Development of an Internally Cooled Centrifugal Compressor for Carbon Capture and Storage Applications

J. Jeffrey Moore, Andrew Lerche, Timothy Allison, Brian Moreland, Jorge Pacheco
Proc. ASME. GT2012, Volume 5: Manufacturing Materials and Metallurgy; Marine; Microturbines and Small Turbomachinery; Supercritical CO2 Power Cycles, 997-1006, June 11–15, 2012
Paper No: GT2012-69911
DOI: https://doi.org/10.1115/GT2012-69911
View Paper titled, Development of an Internally Cooled Centrifugal Compressor for Carbon Capture and Storage Applications
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Topics: Carbon capture and storage, Compressors, Carbon dioxide, Compression, Design, Power stations, Pressure, Computational fluid dynamics, Coolers, Diaphragms (Mechanical devices)