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Ephraim J. Gutmark
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Journal Articles

The Effects of High Centrifugal Acceleration on Bluff-Body Stabilized Premixed Flames

Timothy J. Erdmann, Ephraim J. Gutmark, Andrew W. Caswell
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2023, 145(3): 031004.
Paper No: GTP-22-1434
https://doi.org/10.1115/1.4055871
Published Online: December 5, 2022
View Article titled, The Effects of High Centrifugal Acceleration on Bluff-Body Stabilized Premixed Flames
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Topics: Flames, Flow (Dynamics), Turbulence
Proceedings Papers

Investigation of the Surge Phenomena in a Centrifugal Compressor Using Large Eddy Simulation

Bernhard Semlitsch, V. Jyothishkumar, Mihai Mihaescu, Laszlo Fuchs, Ephraim J. Gutmark
Proc. ASME. IMECE2013, Volume 7A: Fluids Engineering Systems and Technologies, V07AT08A053, November 15–21, 2013
Paper No: IMECE2013-66301
https://doi.org/10.1115/IMECE2013-66301
View Paper titled, Investigation of the Surge Phenomena in a Centrifugal Compressor Using Large Eddy Simulation
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Topics: Compressors, Large eddy simulation, Surges, Flow (Dynamics), Blades, Design, Automobiles, Diffusers, Engineering simulation, Fluctuations (Physics)
Proceedings Papers

Near- and Far-Field Pressure Skewness and Kurtosis in Heated Supersonic Jets From Round and Chevron Nozzles

Pablo Mora, Nick Heeb, Jeff Kastner, Ephraim J. Gutmark, K. Kailasanath
Proc. ASME. GT2013, Volume 2: Aircraft Engine; Coal, Biomass and Alternative Fuels; Cycle Innovations, V002T01A030, June 3–7, 2013
Paper No: GT2013-95774
https://doi.org/10.1115/GT2013-95774
View Paper titled, Near- and Far-Field Pressure Skewness and Kurtosis in Heated Supersonic Jets From Round and Chevron Nozzles
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Topics: Jets, Nozzles, Pressure, Waves, Statistics, Noise (Sound), Signals, Design, Flow (Dynamics), Radiation (Physics)
Proceedings Papers

Airframe Installation Effects on the Jet Exhausting a Coaxial Nozzle System of a Gas Turbine Engine

Mihai Mihaescu, Bernhard Semlitsch, Laszlo Fuchs, Ephraim J. Gutmark
Proc. ASME. GT2012, Volume 1: Aircraft Engine; Ceramics; Coal, Biomass and Alternative Fuels; Controls, Diagnostics and Instrumentation, 347-355, June 11–15, 2012
Paper No: GT2012-69631
https://doi.org/10.1115/GT2012-69631
View Paper titled, Airframe Installation Effects on the Jet Exhausting a Coaxial Nozzle System of a Gas Turbine Engine
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Topics: Gas turbines, Nozzles, Flow (Dynamics), Flight, Turbulence, Wings, Jet engines, Aerodynamic noise, Aircraft, Engineering simulation
Proceedings Papers

Experimental Study of Reaction and Vortex Breakdown in a Swirl-Stabilized Combustor

Chukwueloka O. U. Umeh, Zvi Rusak, Ephraim J. Gutmark
Proc. ASME. GT2009, Volume 2: Combustion, Fuels and Emissions, 935-950, June 8–12, 2009
Paper No: GT2009-60183
https://doi.org/10.1115/GT2009-60183
View Paper titled, Experimental Study of Reaction and Vortex Breakdown in a Swirl-Stabilized Combustor
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Topics: Combustion chambers, Vortices, Flow (Dynamics), Flames, Corners (Structural elements), Fuels, Tar, Chemiluminescence, Fuel injectors, Imaging
Proceedings Papers

Chemical Kinetic Analysis of a Flameless Gas Turbine Combustor

G. Arvind Rao, Yeshayahou Levy, Ephraim J. Gutmark
Proc. ASME. GT2008, Volume 3: Combustion, Fuels and Emissions, Parts A and B, 487-496, June 9–13, 2008
Paper No: GT2008-50619
https://doi.org/10.1115/GT2008-50619
View Paper titled, Chemical Kinetic Analysis of a Flameless Gas Turbine Combustor
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Topics: Combustion chambers, Gas turbines, Combustion, Emissions, Flow (Dynamics), Temperature, Chemical kinetics, Combustion gases, Combustion systems, Engineering prototypes
Proceedings Papers

Real-Time Prediction of Incipient Lean Blowout in a Partially Premixed, Liquid-Fueled Gas Turbine Combustor

Tongxun Yi, Ephraim J. Gutmark
Proc. ASME. GT2007, Volume 2: Turbo Expo 2007, 513-523, May 14–17, 2007
Paper No: GT2007-27674
https://doi.org/10.1115/GT2007-27674
View Paper titled, Real-Time Prediction of Incipient Lean Blowout in a Partially Premixed, Liquid-Fueled Gas Turbine Combustor
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Topics: Combustion chambers, Gas turbines, Combustion, Engines, Chemiluminescence, Flames, Gaussian distribution, Oscillations
Proceedings Papers

Computational Aeroacoustics of the Coaxial Flow Exhaust System of a Gas Turbine Engine

Mihai Mihaˇescu, Ephraim J. Gutmark, Laszlo Fuchs
Proc. ASME. GT2007, Volume 6: Turbo Expo 2007, Parts A and B, 1531-1539, May 14–17, 2007
Paper No: GT2007-28193
https://doi.org/10.1115/GT2007-28193
View Paper titled, Computational Aeroacoustics of the Coaxial Flow Exhaust System of a Gas Turbine Engine
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Topics: Aerodynamic noise, Exhaust systems, Flow (Dynamics), Gas turbines, Acoustics, Noise (Sound), Jet engines, Computation, Nozzles, Waves
Proceedings Papers

Experimental and Numerical Studies of the Velocity Field of a Triple Annular Swirler

Guoqiang Li, Ephraim J. Gutmark
Proc. ASME. GT2002, Volume 1: Turbo Expo 2002, 355-366, June 3–6, 2002
Paper No: GT2002-30069
https://doi.org/10.1115/GT2002-30069
View Paper titled, Experimental and Numerical Studies of the Velocity Field of a Triple Annular Swirler
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Topics: Combustion, Combustion chambers, Computational fluid dynamics, Flow (Dynamics), Fuels, Gas turbines, Internal flow, Jets, Reynolds-averaged Navier–Stokes equations, Shear (Mechanics)
Proceedings Papers

Geometry Effects on the Flow Field and the Spectral Characteristics of a Triple Annular Swirler

Guoqiang Li, Ephraim J. Gutmark
Proc. ASME. GT2003, Volume 2: Turbo Expo 2003, 593-602, June 16–19, 2003
Paper No: GT2003-38799
https://doi.org/10.1115/GT2003-38799
View Paper titled, Geometry Effects on the Flow Field and the Spectral Characteristics of a Triple Annular Swirler
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Topics: Flow (Dynamics), Geometry, Vortices, Tar, Boundary-value problems, Swirling flow, Combustion chambers, Acoustics, Bubbles, Combustion
Proceedings Papers

Effects of Swirler Configurations on Flow Structures and Combustion Characteristics

Guoqiang Li, Ephraim J. Gutmark
Proc. ASME. GT2004, Volume 1: Turbo Expo 2004, 423-433, June 14–17, 2004
Paper No: GT2004-53674
https://doi.org/10.1115/GT2004-53674
View Paper titled, Effects of Swirler Configurations on Flow Structures and Combustion Characteristics
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Topics: Combustion, Flow (Dynamics), Emissions, Fuels, Nitrogen oxides, Swirling flow, Flames, Fuel injectors, Temperature, Combustion chambers
Proceedings Papers

Characteristics and Control of an Unstable Liquid-Fueled Multi-Swirling Combustor

Tongxun Yi, Ephraim J. Gutmark, Michael Cornwell
Proc. ASME. GT2005, Volume 1: Turbo Expo 2005, 805-811, June 6–9, 2005
Paper No: GT2005-69020
https://doi.org/10.1115/GT2005-69020
View Paper titled, Characteristics and Control of an Unstable Liquid-Fueled Multi-Swirling Combustor
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Topics: Combustion chambers, Swirling flow, Pressure, Fuels, Combustion, Flow (Dynamics), Control equipment, Feedback, Optical fiber, Oscillations
Proceedings Papers

Experimental Study of a Flameless Gas Turbine Combustor

Guoqiang Li, Ephraim J. Gutmark, Nick Overman, Michael Cornwell, Dragan Stankovic, Laszlo Fuchs, Vladimir Milosavljevic
Proc. ASME. GT2006, Volume 1: Combustion and Fuels, Education, 793-804, May 8–11, 2006
Paper No: GT2006-91051
https://doi.org/10.1115/GT2006-91051
View Paper titled, Experimental Study of a Flameless Gas Turbine Combustor
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Topics: Combustion chambers, Gas turbines, Combustion, Temperature, Emissions, Flames, Nitrogen oxides, Exhaust systems, Flow (Dynamics), Dynamics (Mechanics)
Journal Articles

Dynamics of a High-Frequency Fuel Actuator and its Applications for Combustion Instability Control

Tongxun Yi, Ephraim J. Gutmark
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Technical Papers
J. Eng. Gas Turbines Power. July 2007, 129(3): 648–654.
https://doi.org/10.1115/1.2718558
Published Online: December 20, 2006
View Article titled, Dynamics of a High-Frequency Fuel Actuator and its Applications for Combustion Instability Control
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Topics: Actuators, Combustion, Fuels, Flow (Dynamics), Dynamics (Mechanics)
Journal Articles

Combustion Instabilities and Control of a Multiswirl Atmospheric Combustor

Tongxun Yi, Ephraim J. Gutmark
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Technical Papers
J. Eng. Gas Turbines Power. January 2007, 129(1): 31–37.
https://doi.org/10.1115/1.2181595
Published Online: January 22, 2006
View Article titled, Combustion Instabilities and Control of a Multiswirl Atmospheric Combustor
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Topics: Combustion, Combustion chambers, Flames, Fuels, Oscillations, Pressure, Swirling flow, Shear (Mechanics), Air flow, Temperature
Journal Articles

Combustion Control by Vortex Breakdown Stabilization

Christian Oliver Paschereit, Peter Flohr, Ephraim J. Gutmark
Journal: Journal of Turbomachinery
Article Type: Technical Papers
J. Turbomach. October 2006, 128(4): 679–688.
https://doi.org/10.1115/1.2218521
Published Online: February 1, 2002
View Article titled, Combustion Control by Vortex Breakdown Stabilization
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Topics: Combustion, Computational fluid dynamics, Flames, Vortices, Pressure, Safety, Flow (Dynamics), High pressure (Physics), Engines, Combustion chambers