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Proceedings Papers

The MIT Blowdown Turbine Facility

A. H. Epstein, G. R. Guenette, R. J. G. Norton
Proc. ASME. GT1984, Volume 4: Heat Transfer; Electric Power, V004T09A011, June 4–7, 1984
Publisher: American Society of Mechanical Engineers
Paper No: 84-GT-116
https://doi.org/10.1115/84-GT-116
View Paper titled, The MIT Blowdown Turbine Facility
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Topics: Turbines, Aircraft, Engines, Fluid mechanics, Heat transfer, Pressure, Simulation, Temperature, Test facilities, Testing
Proceedings Papers

Time Resolved Measurements in a Low Aspect Ratio Transonic Compressor Stage

A. H. Epstein, W. T. Thompkins, Jr., J. L. Kerrebrock, W. F. Ng
Proc. ASME. GT1982, Volume 1: Turbomachinery, V001T01A068, April 18–22, 1982
Publisher: American Society of Mechanical Engineers
Paper No: 82-GT-201
https://doi.org/10.1115/82-GT-201
View Paper titled, Time Resolved Measurements in a Low Aspect Ratio Transonic Compressor Stage
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Topics: Compressors, Probes, Annulus, Errors, Flow (Dynamics), Fluctuations (Physics), Frequency response
Proceedings Papers

Active Stabilization of Centrifugal Compressor Surge

J. E. Pinsley, G. R. Guenette, A. H. Epstein, E. M. Greitzer
Proc. ASME. GT1990, Volume 1: Turbomachinery, V001T01A032, June 11–14, 1990
Publisher: American Society of Mechanical Engineers
Paper No: 90-GT-123
https://doi.org/10.1115/90-GT-123
View Paper titled, Active Stabilization of Centrifugal Compressor Surge
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Topics: Compressors, Surges, Control equipment, Oscillations, Compression, Flow (Dynamics), Pressure, Valves, Damping, Design
Proceedings Papers

Unsteady Radial Transport in a Transonic Compressor Stage

P. A. Kotidis, A. H. Epstein
Proc. ASME. GT1990, Volume 1: Turbomachinery, V001T01A040, June 11–14, 1990
Publisher: American Society of Mechanical Engineers
Paper No: 90-GT-133
https://doi.org/10.1115/90-GT-133
View Paper titled, Unsteady Radial Transport in a Transonic Compressor Stage
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Topics: Compressors, Rotors, Wakes, Fluids, Blades, Entropy, Pressure, Temperature, Vortex street, Frequency response
Proceedings Papers

Dynamic Control of Centrifugal Compressor Surge Using Tailored Structures

D. L. Gysling, J. Dugundji, E. M. Greitzer, A. H. Epstein
Proc. ASME. GT1990, Volume 1: Turbomachinery, V001T01A031, June 11–14, 1990
Publisher: American Society of Mechanical Engineers
Paper No: 90-GT-122
https://doi.org/10.1115/90-GT-122
View Paper titled, Dynamic Control of Centrifugal Compressor Surge Using Tailored Structures
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Topics: Compressors, Surges, Compression, Dynamics (Mechanics), Feedback, Flow (Dynamics), Limit cycles, Linear systems, Oscillations, Pressure
Proceedings Papers

Rotating Waves as a Stall Inception Indication in Axial Compressors

V. H. Garnier, A. H. Epstein, E. M. Greitzer
Proc. ASME. GT1990, Volume 1: Turbomachinery, V001T01A052, June 11–14, 1990
Publisher: American Society of Mechanical Engineers
Paper No: 90-GT-156
https://doi.org/10.1115/90-GT-156
View Paper titled, Rotating Waves as a Stall Inception Indication in Axial Compressors
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Topics: Compressors, Stall inception, Waves, Machinery, Inflow
Proceedings Papers

Comparison of Time-Resolved Turbine Rotor Blade Heat Transfer Measurements and Numerical Calculations

R. S. Abhari, G. R. Guenette, A. H. Epstein, M. B. Giles
Proc. ASME. GT1991, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A018, June 3–6, 1991
Publisher: American Society of Mechanical Engineers
Paper No: 91-GT-268
https://doi.org/10.1115/91-GT-268
View Paper titled, Comparison of Time-Resolved Turbine Rotor Blade Heat Transfer Measurements and Numerical Calculations
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Topics: Blades, Heat transfer, Rotors, Turbines, Pressure, Algebra, Algorithms, Suction, Turbulence, Boundary layers
Proceedings Papers

Active Control of Rotating Stall in a Low Speed Axial Compressor

J. Paduano, A. H. Epstein, L. Valavani, J. P. Longley, E. M. Greitzer, G. R. Guenette
Proc. ASME. GT1991, Volume 1: Turbomachinery, V001T01A036, June 3–6, 1991
Publisher: American Society of Mechanical Engineers
Paper No: 91-GT-088
https://doi.org/10.1115/91-GT-088
View Paper titled, Active Control of Rotating Stall in a Low Speed Axial Compressor
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Topics: Compressors, Waves, Flow (Dynamics), Actuators, Control systems, Feedback, Inlet guide vanes, Traveling waves, Wire
Proceedings Papers

Evaluation of Approaches to Active Compressor Surge Stabilization

J. S. Simon, L. Valavani, A. H. Epstein, E. M. Greitzer
Proc. ASME. GT1992, Volume 1: Turbomachinery, V001T01A065, June 1–4, 1992
Publisher: American Society of Mechanical Engineers
Paper No: 92-GT-182
https://doi.org/10.1115/92-GT-182
View Paper titled, Evaluation of Approaches to Active Compressor Surge Stabilization
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Topics: Compressors, Surges, Actuators, Sensors, Combustion chambers, Compression, Flow (Dynamics), Gas turbines, Heat, Pressure
Proceedings Papers

An Experimental Study of Film Cooling in a Rotating Transonic Turbine

Reza S. Abhari, A. H. Epstein
Proc. ASME. GT1992, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A018, June 1–4, 1992
Publisher: American Society of Mechanical Engineers
Paper No: 92-GT-201
https://doi.org/10.1115/92-GT-201
View Paper titled, An Experimental Study of Film Cooling in a Rotating Transonic Turbine
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Topics: Film cooling, Turbines, Heat transfer, Rotors, Suction, Cascades (Fluid dynamics), Pressure, Blades, Cooling, Engines
Proceedings Papers

Pre-Stall Behavior of Several High-Speed Compressors

M. Tryfonidis, O. Etchevers, J. D. Paduano, A. H. Epstein, G. J. Hendricks
Proc. ASME. GT1994, Volume 1: Turbomachinery, V001T01A135, June 13–16, 1994
Publisher: American Society of Mechanical Engineers
Paper No: 94-GT-387
https://doi.org/10.1115/94-GT-387
View Paper titled, Pre-Stall Behavior of Several High-Speed Compressors
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Topics: Compressors, Waves, Stability, Machinery, Rotors, Stall inception, Traveling waves, Compressibility, Design, Dynamics (Mechanics)
Proceedings Papers

Active Stabilization of Rotating Stall and Surge in a Transonic Single Stage Axial Compressor

H. J. Weigl, J. D. Paduano, L. G. Fréchette, A. H. Epstein, E. M. Greitzer, M. M. Bright, A. J. Strazisar
Proc. ASME. GT1997, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award, V004T15A034, June 2–5, 1997
Publisher: American Society of Mechanical Engineers
Paper No: 97-GT-411
https://doi.org/10.1115/97-GT-411
View Paper titled, Active Stabilization of Rotating Stall and Surge in a Transonic Single Stage Axial Compressor
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Topics: Compressors, Surges, Design, Rotors, Dynamics (Mechanics), Feedback, Flow (Dynamics), Mach number, Stall inception, Control equipment
Proceedings Papers

Active Stabilization of Axial Compressors With Circumferential Inlet Distortion

C. M. van Schalkwyk, J. D. Paduano, E. M. Greitzer, A. H. Epstein
Proc. ASME. GT1997, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award, V004T15A020, June 2–5, 1997
Publisher: American Society of Mechanical Engineers
Paper No: 97-GT-279
https://doi.org/10.1115/97-GT-279
View Paper titled, Active Stabilization of Axial Compressors With Circumferential Inlet Distortion
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Topics: Compressors, Flow (Dynamics), Transfer functions, Design, Feedback, Geometry, Modeling, Steady state
Proceedings Papers

Active Stabilization of Surge in an Axi-Centrifugal Turboshaft Engine

E. B. Nelson, J. D. Paduano, A. H. Epstein
Proc. ASME. GT1999, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A065, June 7–10, 1999
Publisher: American Society of Mechanical Engineers
Paper No: 99-GT-438
https://doi.org/10.1115/99-GT-438
View Paper titled, Active Stabilization of Surge in an Axi-Centrifugal Turboshaft Engine
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Topics: Engines, Surges, Flow (Dynamics), Acoustics, Control equipment, Diffusers, Actuators, Ducts, Modeling, Sensors
Proceedings Papers

Influence of Compressor Deterioration on Engine Dynamic Behavior and Transient Stall-Margin

Z. S. Spakovszky, J. B. Gertz, O. P. Sharma, J. D. Paduano, A. H. Epstein, E. M. Greitzer
Proc. ASME. GT1999, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A066, June 7–10, 1999
Publisher: American Society of Mechanical Engineers
Paper No: 99-GT-439
https://doi.org/10.1115/99-GT-439
View Paper titled, Influence of Compressor Deterioration on Engine Dynamic Behavior and Transient Stall-Margin
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Topics: Compressors, Engines, Transients (Dynamics), Signals, Rotors, Stability, Aircraft engines, Clearances (Engineering), Flow (Dynamics), Pressure
Journal Articles

High-Speed Operation of a Gas-Bearing Supported MEMS-Air Turbine

C. J. Teo, L. X. Liu, H. Q. Li, L. C. Ho, S. A. Jacobson, F. F. Ehrich, A. H. Epstein, Z. S. Spakovszky
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 2009, 131(3): 032001.
https://doi.org/10.1115/1.3123343
Published Online: May 27, 2009
View Article titled, High-Speed Operation of a Gas-Bearing Supported MEMS-Air Turbine
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Topics: Bearings, Journal bearings, Rotors, Turbines, Gas bearings, Anisotropy, Flow (Dynamics), Microelectromechanical systems, Whirls, Thrust bearings
Proceedings Papers

Aerothermodynamics of Micro-Turbomachinery

Y. Gong, B. T. Sirakov, A. H. Epstein, C. S. Tan
Proc. ASME. GT2004, Volume 6: Turbo Expo 2004, 95-102, June 14–17, 2004
Publisher: American Society of Mechanical Engineers
Paper No: GT2004-53877
https://doi.org/10.1115/GT2004-53877
View Paper titled, Aerothermodynamics of Micro-Turbomachinery
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Topics: Aerodynamics, Turbomachinery, Turbines, Flow (Dynamics), Design, Compressors, Nozzle guide vanes, Reynolds number, Gas turbines, Heat
Proceedings Papers

Component Integration and Loss Sources in 3 – 5 kW Gas Turbines

M. A. Monroe, A. H. Epstein, H. Kumakura, K. Isomura
Proc. ASME. GT2005, Volume 1: Turbo Expo 2005, 981-988, June 6–9, 2005
Publisher: American Society of Mechanical Engineers
Paper No: GT2005-68715
https://doi.org/10.1115/GT2005-68715
View Paper titled, Component Integration and Loss Sources in 3 – 5 kW Gas Turbines
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Topics: Gas turbines, Engines, Leakage, Compressors, Flow (Dynamics), Fluids, Heat, Sealing (Process), Cycles, Generators
Proceedings Papers

High-Speed Operation of a Gas-Bearing Supported MEMS Air Turbine

C. J. Teo, L. X. Liu, H. Q. Li, L. C. Ho, S. A. Jacobson, F. F. Ehrich, A. H. Epstein, Z. S. Spakovszky
Proc. ASME. IJTC2006, Part B: Magnetic Storage Tribology; Manufacturing/Metalworking Tribology; Nanotribology; Engineered Surfaces; Biotribology; Emerging Technologies; Special Symposia on Contact Mechanics; Special Symposium on Nanotribology, 1303-1314, October 23–25, 2006
Publisher: American Society of Mechanical Engineers
Paper No: IJTC2006-12173
https://doi.org/10.1115/IJTC2006-12173
View Paper titled, High-Speed Operation of a Gas-Bearing Supported MEMS Air Turbine
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Topics: Gas bearings, Microelectromechanical systems, Turbines, Bearings, Rotors, Geometry, Anisotropy, Journal bearings, Leakage flows, Machinery
Proceedings Papers

Hydrostatic Gas Journal Bearings for Micro-Turbomachinery

L. X. Liu, C. J. Teo, A. H. Epstein, Z. S. Spakovszky
Proc. ASME. IDETC-CIE2003, Volume 5: 19th Biennial Conference on Mechanical Vibration and Noise, Parts A, B, and C, 1397-1406, September 2–6, 2003
Publisher: American Society of Mechanical Engineers
Paper No: DETC2003/VIB-48467
https://doi.org/10.1115/DETC2003/VIB-48467
View Paper titled, Hydrostatic Gas Journal Bearings for Micro-Turbomachinery
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Topics: Hydrostatics, Journal bearings, Turbomachinery, Bearings, Damping, Gas bearings, Manufacturing, Anisotropy, Density, Design