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T. Gunnar Johansson
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Journal Articles

Experimental Heat Transfer Investigation of an Aggressive Intermediate Turbine Duct

Carlos Arroyo Osso, T. Gunnar Johansson, Fredrik Wallin
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. September 2012, 134(5): 051026.
DOI: https://doi.org/10.1115/1.4004779
Published Online: May 24, 2012
View Article titled, Experimental Heat Transfer Investigation of an Aggressive Intermediate Turbine Duct
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Topics: Ducts, Flow (Dynamics), Heat transfer, Heat transfer coefficients, Struts (Engineering), Turbines, Pressure
Proceedings Papers

Heat Transfer Investigation of an Aggressive Intermediate Turbine Duct: Part 1—Experimental Investigation

Carlos Arroyo Osso, T. Gunnar Johansson, Fredrik Wallin
Proc. ASME. GT2010, Volume 4: Heat Transfer, Parts A and B, 605-613, June 14–18, 2010
Paper No: GT2010-23653
DOI: https://doi.org/10.1115/GT2010-23653
View Paper titled, Heat Transfer Investigation of an Aggressive Intermediate Turbine Duct: Part 1—Experimental Investigation
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Topics: Ducts, Heat transfer, Turbines, Design, Engines, Pressure, Computational fluid dynamics, Convection, Emissions, Flow (Dynamics)
Proceedings Papers

Experimental Investigation of the Time-Averaged Flow in an Intermediate Turbine Duct

Lars-Uno Axelsson, T. Gunnar Johansson
Proc. ASME. GT2008, Volume 6: Turbomachinery, Parts A, B, and C, 1313-1322, June 9–13, 2008
Paper No: GT2008-50829
DOI: https://doi.org/10.1115/GT2008-50829
View Paper titled, Experimental Investigation of the Time-Averaged Flow in an Intermediate Turbine Duct
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Topics: Ducts, Flow (Dynamics), Pressure, Turbines, Turbulence
Proceedings Papers

Fourier Decomposed Turbulence Measurements Downstream of a High-Pressure Turbine Stage

Lars-Uno Axelsson, William K. George, T. Gunnar Johansson
Proc. ASME. FEDSM2008, Volume 2: Fora, 177-182, August 10–14, 2008
Paper No: FEDSM2008-55146
DOI: https://doi.org/10.1115/FEDSM2008-55146
View Paper titled, Fourier Decomposed Turbulence Measurements Downstream of a High-Pressure Turbine Stage
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Topics: High pressure (Physics), Turbines, Turbulence
Proceedings Papers

Design, Performance Evaluation and Endwall Flow Structure Investigation of an S-Shaped Intermediate Turbine Duct

Lars-Uno Axelsson, Carlos Arroyo Osso, David Cadrecha, T. Gunnar Johansson
Proc. ASME. GT2007, Volume 6: Turbo Expo 2007, Parts A and B, 693-701, May 14–17, 2007
Paper No: GT2007-27650
DOI: https://doi.org/10.1115/GT2007-27650
View Paper titled, Design, Performance Evaluation and Endwall Flow Structure Investigation of an S-Shaped Intermediate Turbine Duct
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Topics: Design, Ducts, Flow (Dynamics), Flow visualization, Performance evaluation, Pressure measurement, Turbines
Proceedings Papers

Near-Wall Measurements in Turbulent Boundary Layers Using Laser Doppler Anemometry

T. Gunnar Johansson, Luciano Castillo
Proc. ASME. FEDSM2002, Volume 1: Fora, Parts A and B, 49-58, July 14–18, 2002
Paper No: FEDSM2002-31070
DOI: https://doi.org/10.1115/FEDSM2002-31070
View Paper titled, Near-Wall Measurements in Turbulent Boundary Layers Using Laser Doppler Anemometry
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Topics: Boundary layer turbulence, Laser Doppler anemometry, Reynolds number, Shear stress, Pressure gradient, Boundary layers, Momentum, Stress, Errors, Lasers
Proceedings Papers

Experimental Investigation of the Effect of Upstream Conditions on Smooth and Rough Zero Pressure Gradient Turbulent Boundary Layer Flows at Very High Reynolds Numbers

Luciano Castillo, Junghwa Seo, T. Gunnar Johansson, Horia Hangan
Proc. ASME. FEDSM2002, Volume 1: Fora, Parts A and B, 37-47, July 14–18, 2002
Paper No: FEDSM2002-31069
DOI: https://doi.org/10.1115/FEDSM2002-31069
View Paper titled, Experimental Investigation of the Effect of Upstream Conditions on Smooth and Rough Zero Pressure Gradient Turbulent Boundary Layer Flows at Very High Reynolds Numbers
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Topics: Boundary layer turbulence, Flow (Dynamics), Pressure gradient, Reynolds number, Surface roughness, Stress, Wind tunnels, Collapse, Probes, Wire
Journal Articles

An Experimental Study of Surface Temperature Distribution on Effusion-Cooled Plates

K. M. Bernhard Gustafsson, T. Gunnar Johansson
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Technical Papers
J. Eng. Gas Turbines Power. April 2001, 123(2): 308–316.
DOI: https://doi.org/10.1115/1.1364496
Published Online: January 23, 2001
View Article titled, An Experimental Study of Surface Temperature Distribution on Effusion-Cooled Plates
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Topics: Cooling, Plates (structures), Temperature, Temperature distribution, Thermal conductivity, Wall temperature