Gunnar Johansson

Visar 40 publikationer

2014

On determining wall shear stress in spatially developing two-dimensional wall-bounded flows

F. Mehdi, Gunnar Johansson, C. M. White et al
Experiments in Fluids. Vol. 55 (1)
Artikel i vetenskaplig tidskrift
2012

Experimental Heat Transfer Investigation of an Aggressive Intermediate Turbine Duct

Carlos Arroyo, Gunnar Johansson, F. Wallin
Journal of Turbomachinery. Vol. 134 (5)
Artikel i vetenskaplig tidskrift
2011

Near-wall measurements and wall shear stress

Gunnar Johansson
ERCOFTAC Series. Vol. 14, p. 377-384
Paper i proceeding
2010

Heat transfer investigation of an aggressive intermediate

Carlos Arroyo, Gunnar Johansson, Fredrik Wallin
Paper GT2010-23653 in Proceedings of ASME Turbo Expo 2010: Power for Land, Sea and Air, June 14-18, 2010, Glasgow, UK
Paper i proceeding
2010

Heat transfer investigation of an aggressive intermediate turbine duct - Part 1: Experimental investigation

Carlos Arroyo, Gunnar Johansson, Fredrik Wallin
Proceedings of the ASME Turbo Expo, Power for Land, Sea, and Air, GT 2010, Glasgow; 14 June 2010 through 18 June 2010. Vol. 4 (PARTS A AND B), p. 605-613
Paper i proceeding
2009

Development, accomplishment and evaluation of a project course in applied mechanics---Lessons learnt

Mats Ander, Tomas Grönstedt, Thomas Abrahamsson et al
Svenska mekanikdagarna, Södertälje 2009, 15-17-juni, Session 7:4-Utbildning, sid 99 (1 page abstract), p. 99-
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2009

The rough favourable pressure gradient turbulent boundary layer

Raúl Bayoán Cal, Brian Brzek, Gunnar Johansson et al
Journal of Fluid Mechanics. Vol. 641, p. 129-155
Artikel i vetenskaplig tidskrift
2008

Experimental investigation of the time-averaged flow in an intermediate turbine duct

Lars-Uno Axelsson, Gunnar Johansson
GT2008-50829. Proceedings of ASME Turbo Expo 2008: Power for Land, Sea and Air, June 9-13, 2008, Berlin, Germany. Vol. 6 (PART B)
Paper i proceeding
2008

Experimental and Numerical Investigation of an Aggressive Intermediate Turbine Duct: Part 1−Flowfield at Design Inlet Conditions

Fredrik Wallin, Carlos Arroyo, Gunnar Johansson
Paper AIAA-2008-7055, 26th AIAA Applied Aerodynamics Conference, Honolulu, August 18-21, 2008
Paper i proceeding
2008

Transitionally rough zero pressure gradient turbulent boundary layers

Brian Brzek, Raúl Bayoán Cal, Gunnar Johansson et al
Experiments in Fluids. Vol. 44 (1), p. 115-124
Artikel i vetenskaplig tidskrift
2008

Influence of external conditions on transitionally rough favorable pressure gradient turbulent boundary layers

Raúl Bayoán Cal, Brian Brzek, Gunnar Johansson et al
Journal of Turbulence. Vol. 9 (38), p. 1-22
Artikel i vetenskaplig tidskrift
2008

Fourier decomposed turbulence measurements downstream of a high-pressure turbine stage

Lars-Uno Axelsson, William George, Gunnar Johansson
2008 ASME Fluids Engineering Division Summer Conference, FEDSM 2008; Jacksonville, FL; United States; 10 August 2008 through 14 August 2008. Vol. 2, p. 177-182
Paper i proceeding
2008

Experimental and Numerical Investigation of an Aggressive Intermediate Turbine Duct: Part 2−Flowfield under Off-Design Inlet Conditions

Carlos Arroyo, Fredrik Wallin, Gunnar Johansson
Collection of Technical Papers - AIAA Applied Aerodynamics Conference
Paper i proceeding
2008

Evaluation of the flow in an intermediate turbine duct at off-design conditions

Lars-Uno Axelsson, Gunnar Johansson
ICAS 2008, 26th international congress of the aeronautical sciences, Alaska, August 2008, p. 3286-3295
Paper i proceeding
2007

Near Wall Measurements in Rough Surface Turbulent Boundary Layers

Brian Brzek, Raúl Bayoán Cal, Gunnar Johansson et al
J.M.L.M. Palma and A. Silva Lopes (Eds.), "Advances in Turbulence XI", Proceedings of the 11th EUROMECH European Turbulence Conference, June 25-28, 2007, Porto, Portugal. Springer proceedings in physics 117., p. 295-297
Paper i proceeding
2007

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

Lars-Uno Axelsson, Carlos Arroyo, David Cadrecha et al
Proceedings of GT2007. ASME Turbo Expo 2007: Power for Land, Sea and Air. May 14-17, 2007, Montreal, Canada.
Paper i proceeding
2007

Upstream Condition Effects on the Anisotropy of Rough Favorable Pressure Gradient Turbulent Boundary Layers

Raúl Bayoán Cal, Brian Brzek, Gunnar Johansson et al
J.M.L.M. Palma and A. Silva Lopes (Eds.), "Advances in Turbulence XI", Proceedings of the 11th EUROMECH European Turbulence Conference, June 25-28, 2007, Porto, Portugal. Springer proceedings in physics 117.
Paper i proceeding
2007

Inner and outer scalings in rough surface zero pressure gradient turbulent boundary layers

Brian Brzek, Raúl Bayoán Cal, Gunnar Johansson et al
Phys. Fluids. Vol. 19 (6)
Artikel i vetenskaplig tidskrift
2006

Skin Friction Measurements Using Oil- Film Interferometry and LDA for Pressure Gradient TBL's

Brian Brzek, Raúl Cal, K. Newhall et al
Paper AIAA-2006-2887, 36th AIAA Fluid Dynamics Conference and Exhibit, San Fransisco, June 5-8, 2006.
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2006

Some problems with Near-Wall measurements and the determination of Wall Shear Stress

Gunnar Johansson
Paper AIAA-2006-3833, 25th AIAA Aerodynamic Measurement Technology and Ground Testing Conference, San Fransisco, June 5-8, 2006
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2006

Upstream Condition Effects on Turbulent Boundary Layers Subject to Favorable Pressure Gadients

Raúl Bayoán Cal, Gunnar Johansson, Luciano Castillo
AIAA Journal. Vol. 44 (11), p. 2488-2499
Artikel i vetenskaplig tidskrift
2006

Numerical simulation of effusion cooling with comparisons to experimental data

K. M. Bernhard Gustafsson, Gunnar Johansson
Progress in Computational Fluid Dynamics. Vol. 6 (1/2/3), p. 101-109
Artikel i vetenskaplig tidskrift
2006

ERCOFTAC Bulletin

Gunnar Johansson, Lars Davidson
11th ERCOFTAC Workshop on Refined Turbulence Modelling. Vol. 69, p. 28-34
Artikel i övriga tidskrifter
2006

Large-scale low-speed facility for investigating intermediate turbine duct flows

Carlos Arroyo, Lars-Uno Axelsson, Ulf Håll et al
Paper AIAA-2006-1312, 44th AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, 9-12 January, 2006
Paper i proceeding
2006

Upstream condition effects on rough favorable pressure gradient turbulent boundary layers

Raúl Cal, Brian Brzek, Gunnar Johansson et al
Paper AIAA-2006-327, 44th AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, 9-12 January 2006
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2006

Evolution of the Favorable Pressure Gradient Turbulent Boundary Layer Towards a Pseudo- Laminar State

Luciano Castillo, Raúl Cal, Gunnar Johansson
Paper AIAA-2006-2883, 36th AIAA Fluid Dynamics Conference and Exhibit, San Fransisco, June 5-8, 2006
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2005

Wall shear stress measurements from oil film interferometry and laser doppler velocimetry

Gunnar Johansson, Faraz Mehdi, Abolfazl Shiri et al
Invited paper AIAA-2005-4673, 4th AIAA Theoretical Fluid Mechanics Meeting, Toronto, 6-9 June, 2005
Paper i proceeding
2005

Initial condition effects on turbulent boundary layers subjected to favorable pressure gradient

Raúl Cal, Gunnar Johansson, Luciano Castillo
Paper No. AIAA-2005-4812, 4th AIAA Theoretical fluid mechanics conference, Toronto 6-9 June,2005
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2005

Benefits of a graduate international program

Raúl Bayoán Cal, Brian Brzek, William George et al
6th International conference on Information technology based higher education and training, Santo Domingo, July 7-9, 2005
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2005

Chalmers program in Turbulence; A proposed model for higher level undergraduate education in general

Gunnar Johansson, William George
6th International conference on Information technology based higher education and training, Santo Domingo, July 7-9, 2005
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2004

Reynolds Stresses in Turbulent Boundary Layers at High Reynolds Number

Junghwa Seo, Luciano Castillo, Gunnar Johansson et al
Journal of Turbulence 5, April 2004 015. Vol. 5
Artikel i vetenskaplig tidskrift
2004

On the experimental sorting of competing theories for wall-bounded turbulent flows

Martin Wosnik, Gunnar Johansson
in A. J. Smits (ed.) IUTAM Symposium on Reynolds number scaling in turbulent flow, Kluwer Academic Publishers, p. 285-290
Kapitel i bok
2004

Smooth and rough turbulent boundary layers at high Reynolds number

Luciano Castillo, Junghwa Seo, Horia Hangan et al
Experiments in Fluids. Vol. 36, p. 759-774
Artikel i vetenskaplig tidskrift
2002

Measurement issues in high Reynolds number flows

Gunnar Johansson, Rolf Karlsson
invited paper AIAA-2002-1108, 40th AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, 14-17 January, 2002
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2002

The effects of the upstream conditions on a low Reynolds number turbulent boundary layer with zero pressure gradient

Luciano Castillo, Gunnar Johansson
Journal of Turbulence. Vol. 3 (August)
Artikel i vetenskaplig tidskrift
2002

Near-wall measurements in turbulent boundary layers using laser Doppler anemometry

Gunnar Johansson, Luciano Castillo
Proc. FEDSM2002, Montreal, Canada (31070)
Paper i proceeding
2001

Dynamics of Structures with Thin Piezoelectric Layers

Gunnar Johansson
Doktorsavhandling
2001

Effects of the Upstream Conditions on the Mean Statistics of Turbulent Boundary Layers with Zero Pressure Gradient

Luciano Castillo, Gunnar Johansson, Erik Eisenmen
Lecture Notes in Physics
Paper i proceeding
2001

On the rational derivation of a hierarchy of dynamic equations for a homogeneous, isotropic, elastic plate

Anders E Boström, Gunnar Johansson, Peter Olsson
International Journal of Solids and Structures. Vol. 38, p. 2487-2501
Artikel i vetenskaplig tidskrift

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