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Proceedings Papers

Design and Analysis of a Meso-Scale Refrigerator

N. S. Ashraf, H. C. Carter, III, K. Casey, L. C. Chow, S. Corban, M. K. Drost, A. J. Gumm, Z. Hao, A. Q. Hasan, J. S. Kapat, L. Kramer, M. Newton, K. B. Sundaram, J. Vaidya, C. C. Wong, K. Yerkes
Proc. ASME. IMECE99, Heat Transfer: Volume 3, 109-116, November 14–19, 1999
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1999-1068
https://doi.org/10.1115/IMECE1999-1068
View Paper titled, Design and Analysis of a Meso-Scale Refrigerator
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Topics: Design, Compression, Engines, Motors, Capacitance, Compressors, Electromagnetic induction, Electronics, Heat, Microelectronic devices
Proceedings Papers

Design and Analysis of a Miniature Rotary Wankel Compressor

G. W. Finger, J. S. Kapat, L. C. Chow
Proc. ASME. IMECE2001, Advanced Energy Systems, 309-316, November 11–16, 2001
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2001/AES-23637
https://doi.org/10.1115/IMECE2001/AES-23637
View Paper titled, Design and Analysis of a Miniature Rotary Wankel Compressor
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Topics: Compressors, Design, Rotors, Energy / power systems, Gates (Closures), Lithography, Electrical discharge machining, Pressure, Stress, Brayton cycle
Proceedings Papers

Design and Analysis of a Miniature Rotary Wankel Compressor

G. W. Finger, J. S. Kapat, L. C. Chow
Proc. ASME. IMECE2001, Micro-Electro-Mechanical Systems (MEMS), 881-888, November 11–16, 2001
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2001/MEMS-23926
https://doi.org/10.1115/IMECE2001/MEMS-23926
View Paper titled, Design and Analysis of a Miniature Rotary Wankel Compressor
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Topics: Compressors, Design, Microelectromechanical systems, Rotors, Energy / power systems, Gates (Closures), Lithography, Electrical discharge machining, Pressure, Stress
Proceedings Papers

Design and Analysis of a Miniature Reciprocating Compressor Driven by a Comb Drive

Z. Hao, J. S. Kapat, L. C. Chow, K. B. Sundaram
Proc. ASME. IMECE2000, Advanced Energy Systems, 111-118, November 5–10, 2000
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-1303
https://doi.org/10.1115/IMECE2000-1303
View Paper titled, Design and Analysis of a Miniature Reciprocating Compressor Driven by a Comb Drive
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Topics: Compressors, Design, Flow (Dynamics), Compression, Computational fluid dynamics, Computer software, Diaphragms (Mechanical devices), Diaphragms (Structural), Valves
Proceedings Papers

Design, Analysis and Fabrication of a Meso-Scale Centrifugal Compressor

A. Laveau, J. S. Kapat, L. C. Chow, E. Enikov, K. B. Sundaram
Proc. ASME. IMECE2000, Advanced Energy Systems, 129-137, November 5–10, 2000
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-1305
https://doi.org/10.1115/IMECE2000-1305
View Paper titled, Design, Analysis and Fabrication of a Meso-Scale Centrifugal Compressor
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Topics: Compressors, Design, Manufacturing, Blades, Flow (Dynamics), Impellers, Semiconductor wafers, Stators, Vapors, Borosilicate glasses
Proceedings Papers

Design of a High Performance Cryocooler for Propellant Liquefaction and Storage on Mars

Lei Zhou, J. S. Kapat, L. C. Chow, S. Y. Lei
Proc. ASME. IMECE2000, Heat Transfer: Volume 2, 331-338, November 5–10, 2000
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-1444
https://doi.org/10.1115/IMECE2000-1444
View Paper titled, Design of a High Performance Cryocooler for Propellant Liquefaction and Storage on Mars
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Topics: Design, Liquefaction, Propellants, Storage, Cycles, Heat exchangers, Methane, Oxygen, Temperature, Vehicles
Proceedings Papers

Air Extraction in a Gas Turbine for Integrated Gasification Combined Cycle (IGCC): Experiments and Analysis

J. S. Kapat, A. K. Agrawal, T.-T. Yang
Proc. ASME. GT1994, Volume 3: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations, V003T05A004, June 13–16, 1994
Publisher: American Society of Mechanical Engineers
Paper No: 94-GT-193
https://doi.org/10.1115/94-GT-193
View Paper titled, Air Extraction in a Gas Turbine for Integrated Gasification Combined Cycle (IGCC): Experiments and Analysis
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Topics: Gas turbines, Integrated gasification combined cycle power stations, Compressors, Flow (Dynamics), Turbines, Computational fluid dynamics
Proceedings Papers

Cold Flow Experiments in a Sub-Scale Model of the Diffuser-Combustor Section of an Industrial Gas Turbine

J. S. Kapat, T. Wang, W. R. Ryan, I. S. Diakunchak, R. L. Bannister
Proc. ASME. GT1996, Volume 3: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations, V003T06A052, June 10–13, 1996
Publisher: American Society of Mechanical Engineers
Paper No: 96-GT-518
https://doi.org/10.1115/96-GT-518
View Paper titled, Cold Flow Experiments in a Sub-Scale Model of the Diffuser-Combustor Section of an Industrial Gas Turbine
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Topics: Combustion chambers, Diffusers, Flow (Dynamics), Industrial gases, Turbines, Pressure, Air flow, Flow measurement, Geometry, Machinery
Proceedings Papers

Experimental Studies of Air Extraction for Cooling and/or Gasification in Gas Turbine Applications

J. S. Kapat, T. Wang, W. R. Ryan, I. S. Diakunchak, R. L. Bannister
Proc. ASME. TA1996, ASME 1996 Turbo Asia Conference, V001T01A002, November 5–7, 1996
Publisher: American Society of Mechanical Engineers
Paper No: 96-TA-010
https://doi.org/10.1115/96-TA-010
View Paper titled, Experimental Studies of Air Extraction for Cooling and/or Gasification in Gas Turbine Applications
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Topics: Cooling, Fuel gasification, Gas turbines, Diffusers, Flow (Dynamics), Combustion chambers, Industrial gases, Shells, Turbines, Air flow
Proceedings Papers

Effect of Air Extraction for Cooling and/or Gasification on Combustor Flow Uniformity

T. Wang, J. S. Kapat, W. R. Ryan, I. S. Diakunchak, R. L. Bannister
Proc. ASME. GT1998, Volume 3: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations, V003T05A005, June 2–5, 1998
Publisher: American Society of Mechanical Engineers
Paper No: 98-GT-102
https://doi.org/10.1115/98-GT-102
View Paper titled, Effect of Air Extraction for Cooling and/or Gasification on Combustor Flow Uniformity
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Topics: Combustion chambers, Cooling, Flow (Dynamics), Fuel gasification, Diffusers, Emissions, Gas turbines, Industrial gases, Turbines, Air flow
Proceedings Papers

Heat Transfer Study on Multiple Walls of an Impingement Channel With Variable Jet Heights

Roberto Claretti, Jahed Hossain, J. T. Harrington, J. A. Bernstein, S. B. Verma, J. S. Kapat
Proc. ASME. HT2013, Volume 3: Gas Turbine Heat Transfer; Transport Phenomena in Materials Processing and Manufacturing; Heat Transfer in Electronic Equipment; Symposium in Honor of Professor Richard Goldstein; Symposium in Honor of Prof. Spalding; Symposium in Honor of Prof. Arthur E. Bergles, V003T08A002, July 14–19, 2013
Publisher: American Society of Mechanical Engineers
Paper No: HT2013-17054
https://doi.org/10.1115/HT2013-17054
View Paper titled, Heat Transfer Study on Multiple Walls of an Impingement Channel With Variable Jet Heights
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Topics: Heat transfer, Flow (Dynamics), Pressure, Reynolds number, Temperature
Proceedings Papers

Heat Transfer Characteristics of Jet Array Impingement at Low Streamwise Spacing

Roberto Claretti, Jahed Hossain, S. B. Verma, J. S. Kapat, James P. Downs, Gloria E. Goebel
Proc. ASME. GT2013, Volume 3A: Heat Transfer, V03AT12A015, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-94469
https://doi.org/10.1115/GT2013-94469
View Paper titled, Heat Transfer Characteristics of Jet Array Impingement at Low Streamwise Spacing
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Topics: Heat transfer, Computational fluid dynamics, Flow (Dynamics), Heat transfer coefficients, Impingement cooling, Physics, Reynolds number, Temperature, Turbulence
Proceedings Papers

Experimental Investigation on Aerodynamic Unsteadiness in a Full Scale Gas Turbine Midframe Sector

Matthew J. Golsen, Jahed Hossain, Anthony Bravato, John Harrington, Joshua Bernstein, Srikrishna Mahadevan, J. S. Kapat, José Rodriguez
Proc. ASME. GT2013, Volume 6C: Turbomachinery, V06CT42A026, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-95128
https://doi.org/10.1115/GT2013-95128
View Paper titled, Experimental Investigation on Aerodynamic Unsteadiness in a Full Scale Gas Turbine Midframe Sector
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Topics: Gas turbines, Flow (Dynamics), Diffusers, Compressors, Accelerometers, Combustion, Combustion chambers, Geometry, Mach number, Microphones
Proceedings Papers

Microturbine Recuperation: Turbulators and Their Effect on Power Density and Thermal Efficiency

Kaylee M. Dorman, Sergio Arias Quintero, Lucky V. Tran, Mark Ricklick, J. S. Kapat
Proc. ASME. GT2012, Volume 5: Manufacturing Materials and Metallurgy; Marine; Microturbines and Small Turbomachinery; Supercritical CO2 Power Cycles, 911-920, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-69879
https://doi.org/10.1115/GT2012-69879
View Paper titled, Microturbine Recuperation: Turbulators and Their Effect on Power Density and Thermal Efficiency
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Topics: Microturbines, Power density, Thermal efficiency, Heat exchangers, Turbines, Design, Geometry, Heat transfer, Pressure, Reynolds number
Journal Articles

Heat Transfer and Friction Augmentation in High Aspect Ratio, Ribbed Channels With Dissimilar Inlet Conditions

Carson D. Slabaugh, Lucky V. Tran, J. S. Kapat, Bobby A. Warren
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2012, 134(6): 061013.
https://doi.org/10.1115/1.4006283
Published Online: September 4, 2012
View Article titled, Heat Transfer and Friction Augmentation in High Aspect Ratio, Ribbed Channels With Dissimilar Inlet Conditions
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Topics: Cross-flow, Flow (Dynamics), Friction, Heat transfer, Reynolds number, Pressure
Journal Articles

A Study of Heat Transfer Augmentation for Recuperative Heat Exchangers: Comparison Between Three Dimple Geometries

Michelle I. Valentino, Lucky V. Tran, Mark Ricklick, J. S. Kapat
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Gas Turbines: Microturbines And Small Turbomachinery
J. Eng. Gas Turbines Power. July 2012, 134(7): 072303.
https://doi.org/10.1115/1.4005990
Published Online: May 23, 2012
View Article titled, A Study of Heat Transfer Augmentation for Recuperative Heat Exchangers: Comparison Between Three Dimple Geometries
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Topics: Flow (Dynamics), Heat transfer, Reynolds number, Heat exchangers, Copper
Proceedings Papers

The Effect of Transpiration on Discrete Injection for Film Cooling

G. Natsui, P. L. Johnson, M. C. Torrance, M. A. Ricklick, J. S. Kapat
Proc. ASME. GT2011, Volume 5: Heat Transfer, Parts A and B, 509-520, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-46138
https://doi.org/10.1115/GT2011-46138
View Paper titled, The Effect of Transpiration on Discrete Injection for Film Cooling
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Topics: Film cooling, Transpiration, Coolants, Cooling, Flow (Dynamics), Optimization, Boundary layers, Manufacturing, Temperature, Wire
Proceedings Papers

Interaction of Rotational Wakes and Coolant Film in a Sector-Annular Duct

Matthew J. Golsen, Nghia V. Tran, Mark A. Ricklick, J. S. Kapat
Proc. ASME. GT2011, Volume 5: Heat Transfer, Parts A and B, 529-540, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-46465
https://doi.org/10.1115/GT2011-46465
View Paper titled, Interaction of Rotational Wakes and Coolant Film in a Sector-Annular Duct
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Topics: Coolants, Ducts, Wakes, Film cooling, Cooling, Temperature, Flow (Dynamics), Flow control, Gas turbines, Guide vanes
Proceedings Papers

PIV Study on the Dimple Mid-Plane of a Narrow Rectangular Channel With Dimples Applied to One Wall

Lucky V. Tran, Michelle I. Valentino, Abhishek Saha, Carson D. Slabaugh, Mark Ricklick, J. S. Kapat, Saptarshi Basu
Proc. ASME. GT2011, Volume 5: Heat Transfer, Parts A and B, 1517-1527, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-46132
https://doi.org/10.1115/GT2011-46132
View Paper titled, PIV Study on the Dimple Mid-Plane of a Narrow Rectangular Channel With Dimples Applied to One Wall
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Topics: Cooling, Flow (Dynamics), Flow visualization, Fluid dynamics, Friction, Heat transfer, Particulate matter, Reynolds number, Wakes
Proceedings Papers

A Study of Heat Transfer Augmentation for Recuperative Heat Exchangers: Comparison Between Two Dimple Geometries

Michelle I. Valentino, Lucky V. Tran, Mark Ricklick, J. S. Kapat
Proc. ASME. GT2011, Volume 3: Controls, Diagnostics and Instrumentation; Education; Electric Power; Microturbines and Small Turbomachinery; Solar Brayton and Rankine Cycle, 939-951, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-46401
https://doi.org/10.1115/GT2011-46401
View Paper titled, A Study of Heat Transfer Augmentation for Recuperative Heat Exchangers: Comparison Between Two Dimple Geometries
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Topics: Heat exchangers, Heat transfer, Reynolds number, Cavities, Copper, Flow (Dynamics), Geometry