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Journal Articles

Blade Designs For Improved Multi-Phase Performance In sCO 2 Compressors; Part II - Optical Diagnostics In sCO 2 And Experimental Evaluation With Particle Image Velocimetry

Accepted Manuscript
Erik Fernandez, Emmanuel Gabriel-Ohanu, Ladislav Veselý, Jayanta Kapat, Ashvin Hosangadi, Paul Cooper
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1663
https://doi.org/10.1115/1.4066821
Published Online: October 11, 2024
View Article titled, Blade Designs For Improved Multi-Phase Performance In sCO 2 Compressors; Part II - Optical Diagnostics In sCO 2 And Experimental Evaluation With Particle Image Velocimetry
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Topics: Blades, Compressors, Particle image velocimetry, Suction, Flow (Dynamics), Wedges, Delays, Design, Hardware, Lasers
Proceedings Papers

Blade Designs for Improved Multi-Phase Performance in sCO 2 Compressors: Part I - Design and Numerical Evaluation at Application Relevant Conditions

Ashvin Hosangadi, Timothy Weathers, Antonio Cepero, Paul Cooper, Erik Fernandez, Jayanta Kapat
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A005, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122297
https://doi.org/10.1115/GT2024-122297
View Paper titled, Blade Designs for Improved Multi-Phase Performance in sCO 2 Compressors: Part I - Design and Numerical Evaluation at Application Relevant Conditions
Open the PDF for Blade Designs for Improved Multi-Phase Performance in sCO 2 Compressors: Part I - Design and Numerical Evaluation at Application Relevant Conditions in another window
Topics: Blades, Compressors, Design
Proceedings Papers

Blade Designs for Improved Multi-Phase Performance in sCO 2 Compressors; Part II - Optical Diagnostics in sCO 2 and Experimental Evaluation With Particle Image Velocimetry

Erik Fernandez, Emmanuel Gabriel-Ohanu, Ladislav Vesely, Jayanta Kapat, Ashvin Hosangadi, Paul Cooper
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A040, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129119
https://doi.org/10.1115/GT2024-129119
View Paper titled, Blade Designs for Improved Multi-Phase Performance in sCO 2 Compressors; Part II - Optical Diagnostics in sCO 2 and Experimental Evaluation With Particle Image Velocimetry
Open the PDF for Blade Designs for Improved Multi-Phase Performance in sCO 2 Compressors; Part II - Optical Diagnostics in sCO 2 and Experimental Evaluation With Particle Image Velocimetry in another window
Topics: Blades, Compressors, Particle image velocimetry
Journal Articles

Pump Technology Interchange—As Embraced by Dr. S. Gopalakrishnan, Vice President, Technology of Flowserve Pump Division

Paul Cooper
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Expert View
J. Fluids Eng. July 2022, 144(7): 074701.
Paper No: FE-20-1492
https://doi.org/10.1115/1.4053311
Published Online: February 17, 2022
View Article titled, Pump Technology Interchange—As Embraced by Dr. S. Gopalakrishnan, Vice President, Technology of Flowserve Pump Division
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Topics: Flow (Dynamics), Impellers, Pumps
Proceedings Papers

Effect of Diffuser Vane Solidity on Performance of a Multistage Bowl Pump

Paul Cooper, Ashvin Hosangadi
Proc. ASME. AJKFluids2019, Volume 3B: Fluid Applications and Systems, V03BT03A048, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-5633
https://doi.org/10.1115/AJKFluids2019-5633
View Paper titled, Effect of Diffuser Vane Solidity on Performance of a Multistage Bowl Pump
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Topics: Diffusers, Flow (Dynamics), Pumps
Journal Articles

History of the Fluids Engineering Division

Paul Cooper, C. Samuel Martin, Timothy J. O'Hern
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Review Articles
J. Fluids Eng. October 2016, 138(10): 100801.
Paper No: FE-16-1140
https://doi.org/10.1115/1.4033976
Published Online: August 3, 2016
View Article titled, History of the Fluids Engineering Division
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Topics: Cavitation, Fluid mechanics, Fluids engineering, Water hammer, Fluids, Machinery, Unsteady flow, Computational fluid dynamics, Flow (Dynamics), Pumps
Proceedings Papers

CFD-Aided Hydraulic Development of a Steam Generator Feed Pump

Paul Cooper, Bruno Schiavello, Ashvin Hosangadi, James T. McGuire
Proc. ASME. AJKFluids2015, Volume 1: Symposia, V001T33A010, July 26–31, 2015
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2015-33419
https://doi.org/10.1115/AJKFluids2015-33419
View Paper titled, CFD-Aided Hydraulic Development of a Steam Generator Feed Pump
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Topics: Boilers, Computational fluid dynamics, Pumps, Flow (Dynamics), Diffusers, Design, Impellers, Pressure, Rotors, Emergencies
Journal Articles

Segmentation Effects on Brush Seal Leakage and Rotordynamic Coefficients

Alexander O. Pugachev, Manuel Gaszner, Christos Georgakis, Paul Cooper
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2016, 138(3): 032501.
Paper No: GTP-15-1220
https://doi.org/10.1115/1.4031386
Published Online: September 22, 2015
View Article titled, Segmentation Effects on Brush Seal Leakage and Rotordynamic Coefficients
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Topics: Damping, Image segmentation, Leakage, Pressure, Sealing (Process), Stiffness
Proceedings Papers

Segmentation Effects on Brush Seal Leakage and Rotordynamic Coefficients

Alexander O. Pugachev, Manuel Gaszner, Christos Georgakis, Paul Cooper
Proc. ASME. GT2015, Volume 7A: Structures and Dynamics, V07AT31A004, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42332
https://doi.org/10.1115/GT2015-42332
View Paper titled, Segmentation Effects on Brush Seal Leakage and Rotordynamic Coefficients
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Topics: Image segmentation, Leakage, Damping, Performance characterization, Sealing (Process), Clearances (Engineering), Computational fluid dynamics, Design, Electrical discharge machining, Fins
Proceedings Papers

Evaluation and Analysis of an Early Inducer Design and its Approach to Backflow Control

Donald P. Sloteman, Jennifer Redding, Paul Cooper
Proc. ASME. FEDSM2013, Volume 1B, Symposia: Fluid Machinery; Fluid Power; Fluid-Structure Interaction and Flow-Induced Noise in Industrial Applications; Flow Applications in Aerospace; Flow Manipulation and Active Control: Theory, Experiments and Implementation; Fundamental Issues and Perspectives in Fluid Mechanics, V01BT10A018, July 7–11, 2013
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2013-16303
https://doi.org/10.1115/FEDSM2013-16303
View Paper titled, Evaluation and Analysis of an Early Inducer Design and its Approach to Backflow Control
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Topics: Design, Suction, Flow (Dynamics), Cavitation, Computational fluid dynamics, Pumps, Reliability, Rocket engines, Stress, Unsteady flow
Proceedings Papers

Hydrodynamic Air-Riding in Leaf Seals

Ingo H. J. Jahn, David Gillespie, Paul Cooper
Proc. ASME. GT2013, Volume 3A: Heat Transfer, V03AT15A015, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-95585
https://doi.org/10.1115/GT2013-95585
View Paper titled, Hydrodynamic Air-Riding in Leaf Seals
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Topics: Design, Engineering prototypes, Flow (Dynamics), Fluid structure interaction, Geometry, Leakage, Lift (Fluid dynamics), Machinery, Pressure, Rotors
Proceedings Papers

Leakage and Rotordynamic Coefficients of Brush Seals With Zero Cold Clearance Used in an Arrangement With Labyrinth Fins

Manuel Gaszner, Alexander O. Pugachev, Christos Georgakis, Paul Cooper
Proc. ASME. GT2013, Volume 7B: Structures and Dynamics, V07BT30A008, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-94342
https://doi.org/10.1115/GT2013-94342
View Paper titled, Leakage and Rotordynamic Coefficients of Brush Seals With Zero Cold Clearance Used in an Arrangement With Labyrinth Fins
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Topics: Clearances (Engineering), Fins, Leakage, Stiffness, Sealing (Process), Damping, Computational fluid dynamics, Whirls, Actuators, Gas flow
Journal Articles

Leakage and Rotordynamic Coefficients of Brush Seals With Zero Cold Clearance Used in an Arrangement With Labyrinth Fins

Manuel Gaszner, Alexander O. Pugachev, Christos Georgakis, Paul Cooper
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2013, 135(12): 122506.
Paper No: GTP-13-1167
https://doi.org/10.1115/1.4025236
Published Online: September 23, 2013
View Article titled, Leakage and Rotordynamic Coefficients of Brush Seals With Zero Cold Clearance Used in an Arrangement With Labyrinth Fins
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Topics: Clearances (Engineering), Damping, Leakage, Pressure, Rotors, Sealing (Process), Stiffness, Whirls, Fins, Computational fluid dynamics
Proceedings Papers

On the Efficiency of Oscillating Water Column (OWC) Devices in Converting Ocean Wave Energy to Electricity Under Weakly Nonlinear Waves

Jean-Roch Nader, Song-Ping Zhu, Paul Cooper
Proc. ASME. OMAE2012, Volume 7: Ocean Space Utilization; Ocean Renewable Energy, 659-666, July 1–6, 2012
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2012-84271
https://doi.org/10.1115/OMAE2012-84271
View Paper titled, On the Efficiency of Oscillating Water Column (OWC) Devices in Converting Ocean Wave Energy to Electricity Under Weakly Nonlinear Waves
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Topics: Nonlinear waves, Water, Wave energy, Waves
Proceedings Papers

A Multi-Objective Optimization for a Centrifugal Fan Impeller

Yu-Tai Lee, Paul Cooper
Proc. ASME. FEDSM2012, Volume 1: Symposia, Parts A and B, 153-165, July 8–12, 2012
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2012-72263
https://doi.org/10.1115/FEDSM2012-72263
View Paper titled, A Multi-Objective Optimization for a Centrifugal Fan Impeller
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Topics: Impellers, Pareto optimization, Design, Flow (Dynamics), Blades, Aerodynamics, Computational fluid dynamics, Genetic algorithms, Geometry, Optimization
Proceedings Papers

Reduction of Cavitation Damage in a High-Energy Water Injection Pump

Paul Cooper, Ron Ungewitter, Rehan Farooqi, James McKenzie, Bruno Schiavello, Wayne Robinson
Proc. ASME. AJK2011, ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D, 515-529, July 24–29, 2011
Publisher: American Society of Mechanical Engineers
Paper No: AJK2011-06092
https://doi.org/10.1115/AJK2011-06092
View Paper titled, Reduction of Cavitation Damage in a High-Energy Water Injection Pump
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Topics: Cavitation, Damage, Pumps, Underground injection, Impellers, Blades, Cavitation erosion, Acoustics, Computational fluid dynamics, Flow (Dynamics)
Proceedings Papers

A Finite Element Model for Efficiency of a Moored Floating OWC Device in Regular Waves

Jean-Roch Nader, Song-Ping Zhu, Paul Cooper, Brad Stappenbelt
Proc. ASME. OMAE2011, Volume 5: Ocean Space Utilization; Ocean Renewable Energy, 511-519, June 19–24, 2011
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2011-49502
https://doi.org/10.1115/OMAE2011-49502
View Paper titled, A Finite Element Model for Efficiency of a Moored Floating OWC Device in Regular Waves
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Topics: Finite element model, Mooring, Waves, Pressure, Damping, Energy conversion, Linear wave theory
Proceedings Papers

System Identification of a Floating Oscillating Water Column Wave Energy Converter

Brad Stappenbelt, Massimo Fiorentini, Paul Cooper, Song-Ping Zhu, Jean-Roch Nader
Proc. ASME. OMAE2011, Volume 5: Ocean Space Utilization; Ocean Renewable Energy, 521-527, June 19–24, 2011
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2011-49532
https://doi.org/10.1115/OMAE2011-49532
View Paper titled, System Identification of a Floating Oscillating Water Column Wave Energy Converter
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Topics: Water, Wave energy, Wave energy converters
Proceedings Papers

Combined 3D Fluid Dynamics and Mechanical Modelling of Brush Seals

Diego Lelli, John W. Chew, Paul Cooper
Proc. ASME. GT2005, Volume 3: Turbo Expo 2005, Parts A and B, 1207-1216, June 6–9, 2005
Publisher: American Society of Mechanical Engineers
Paper No: GT2005-68973
https://doi.org/10.1115/GT2005-68973
View Paper titled, Combined 3D Fluid Dynamics and Mechanical Modelling of Brush Seals
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Topics: Aerodynamics, Computational fluid dynamics, Computer software, Deflection, Flow (Dynamics), Fluid dynamics, Fluid-dynamic forces, Geometry, Mesh generation, Modeling
Journal Articles

Combined Three-Dimensional Fluid Dynamics and Mechanical Modeling of Brush Seals

Diego Lelli, John W. Chew, Paul Cooper
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. January 2006, 128(1): 188–195.
https://doi.org/10.1115/1.2103093
Published Online: February 1, 2005
View Article titled, Combined Three-Dimensional Fluid Dynamics and Mechanical Modeling of Brush Seals
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Topics: Aerodynamics, Computational fluid dynamics, Flow (Dynamics), Geometry, Modeling, Pressure, Fluid-dynamic forces, Fluid dynamics, Rotors, Deflection