Werdegang

• im Ruhestand seit Oktober 2005
• Gastprofessur am Dept. of Mathematics, Bangalore University, Indien: März 1980 - Februar 1981
• Universitätsprofessor C3, Technische Universität München: Oktober 1978
• Habilitation, Technische Universität München: November 1974
• Promotion mit Auszeichnung, Technische Universität München: Juli 1972
• Wiss. Mitarbeiter, Oberingenieur, Wiss. Rat, Lehrstuhl für Strömungsmechanik TU München: Juli 1965 - September 1978
• Entwicklungsingenieur bei Entwicklungsring Süd München: Juli 1965 - Juni 1967
• Diplomingenieur 'Allgemeiner Maschinenbau', Technische Hochschule München: Juni 1965
   

Forschungsschwerpunkte

• Kompressible Turbulenz
• Turbulente Verbrennung
• Wechselwirkung zwischen Turbulenz, Verbrennung und Wärmestrahlung

Ausgewählte Veröffentlichungen

• Baro, U., Mahapatra, S., Ghosh, S., and Friedrich, R. (2018): LES of supersonic minimal channel flow between isothermal walls at different temperatures including thermal radiation effects using a fictitious gray gas. Physics of Fluids, 30: 015103.
• Mathew, J., Ghosh, S. and Friedrich, R.: Changes to invariants of the velocity gradient tensor at the turbulent-nonturbulent interface of compressible mixing layers. Int. J. of Heat and Fluid Flow, Vol. 59, June 2016, pp. 125-130.
• Ghosh, S., Hahapatra, S., Dubey, A., Thagela, A. and Friedrich, R.: LES of supersonic turbulent flow in nozzles and diffusers. Int. J. of Heat and Fluid Flow, In Press, available online, 29 June 2016.
• Ghosh, S., Friedrich, R. (2015): Effects of radiative heat transfer on the turbulence structure in inert and reacting mixing layers. Physics of Fluids, 27: 055107; doi: 10.1063/1.4920990.
• Ghosh, S., Friedrich, R., Stemmer, Chr. (2014): Contrasting turbulence-radiation interaction in supersonic channel and pipe flow. Int. J. Heat Fluid Flow, 48: 24-34.
• Ghosh, S., Friedrich, R. (2014): Effects of distributed pressure gradients on the pressure-strain correlations in a supersonic nozzle and diffuser. Journal of Fluid Mechanics, 742:466-494.
• Schaupp, Chr., Friedrich, R., Foysi, H. (2012): Transverse injection of a plane-reacting jet into compressible turbulent channel flow. Journal of Turbulence, Vol. 13, No. 24, pp. 1-40.
• Ghosh, S., Friedrich, R., Pfitzner, M., Stemmer, Chr., Cuenot, B., EI Hafi, M. (2011): Effects of radiative heat transfer on the structure of turbulent supersonic channel flow. Journal of Fluid Mechanics, 677: 417-444.
• Schaupp, Chr., Friedrich, R. (2010): Large-eddy simulation of a plane reacting jet transversely injected into supersonic turbulent channel flow. Int. J. Computational Fluid Dynamics, 24: 407-433.
• Ghosh, S., Friedrich, R. (2010): Direct numerical simulation of turbulent flow in an axisymmetric supersonic diffuser. Journal of Turbulence, 11, No. 17, pp. 1-22.
• Ghosh, S., Foysi, H., Friedrich, R. (2010): Compressible turbulent channel and pipe flow: Similarities and differences. Journal of Fluid Mechanics, 648:155-181.
• Mathew, J., Mahle, I., Friedrich, R. (2008): Effects of compressibility and heat release on entrainment processes in mixing layers. Journal of Turbulence, Vol. 9, N14, DOI: 10.1080/114685240802004924.
• Schaupp, Chr., Sesterhenn, J., Friedrich, R. (2008): On a method for direct numerical simulation of shear layer / compression wave interaction for aeroacoustic investigations. Computers & Fluids. 37, Issue 4, pp. 463-474.
• Ghosh, S., Sesterhenn, J., and Friedrich, R. (2008): Large-eddy simulation of supersonic turbulent flow in axisymmetric nozzles and diffusers. Int. J. Heat and Fluid Flow, Vol. 29; 579-590.
• Eisenbach, S., Friedrich, R. (2008): Large-eddy simulation of flow separation on an airfoil with a high angle of attack and Re=10⁵ using Cartesian grids. Theor. Comput. Fluid Dyn. Vol. 22, No. 3-4, pp. 213-225. DOI 10.1007/s00162-007-0072-z.
• Mahle, I., Sesterhenn, J., Friedrich, R. (2008): Large-eddy simulation of turbulent reacting shear layers including finite-rate chemistry and detailed diffusion processes. - Flow, Turbulence and Combustion.80, No.1, pp. 81-105, DOI 10.1007/s10494-007-9104-4.
• Mahle, I., Foysi, H., Sarkar, S., and Friedrich, R. (2007): On the turbulence structure in inert and reacting compressible mixing layers. J. Fluid Mech., 593:171-180.
• Friedrich, R. (2007): Compressible turbulent flows: Aspects of prediction and analysis. Ludwig Prandtl Memorial Lecture. ZAMM, 87:189-211.
• Mellado, J.-P., Friedrich, R., and Sarkar, S. (2007): Modeling of filtered heat release for large-eddy simulation of compressible infinitely fast reacting flows. Proceedings of the Combustion Institute, 31:1691-1699.
• Mahle, I., Sesterhenn, J., Friedrich, R. (2007): Turbulent mixing in temporal compressible shear layers involving detailed diffusion processes. - J. Turbulence, Vol. 8, DOI: 10.1080/ 14685240600806256.
• Brun, Chr., Friedrich, R., Da Silva, C.B. (2006): A non-linear sgs model based on the spatial velocity increment. Theor. Comput. Fluid Dyn., Vol. 20, pp. 1-21.
• Friedrich, R., Foysi, H., Sesterhenn, J. (2006): Turbulent momentum and passive scalar transport in supersonic channel flow. - J. Brazilian Soc. Mech. Sciences and Engg., Vol. 28, no. 2, pp. 174-185.
• Kreuzinger, J., Friedrich, R., Gatski, T. (2006): Compressibility effects in the solenoidal dissipation rate equation: A priori assessment and modelling. - Int. J. Heat Fluid Flow, 27:696-706.
• Mathew, J., Foysi, H., Friedrich, R. (2006): A new approach to LES based on explicit filtering. - Int. J. Heat Fluid Flow, 27:594-602.
• LeDuc, A. Sesterhenn, J., Friedrich, R. (2006): Instabilities in compressible attachment-line boundary layers. Phys. Fluids, 18, pp. 044102.
• Sesterhenn, J., Dohogne, J.F., Friedrich, R. (2005): Direct numerical simulation of the interaction of isotropic turbulence with a shock wave using shock-fitting. -C. R. Mécanique, (333), pp. 87-94.
• Friedrich, R., Geurts, B., Métais, O. (Eds.) (2004) : Direct and Large-Eddy Simulation V, ERCOFTAC SERIES, Vol. 9, Kluwer Academic Publishers, Dordrecht.
• Sesterhenn, J., Friedrich, R. (2004): Instabilities near the attachment-line of a swept wing in compressible flow. - In: One Hundred Years of Boundary Layer Research (G.E.A. Meier, Ed.), IUTAM Symposium, August 2004, Springer.
• Wagner, C., Friedrich, R. (2004): Direct numerical simulation of momentum and heat transport in idealized Czochralski crystal growth configurations. Int. J. Heat & Fluid Flow, Vol. 25, pp. 431-443.
• Foysi, H., Sarkar, S., Friedrich, R. (2004): Compressibility effects and turbulence scalings in supersonic channel flow. J. Fluid Mech., Vol. 509, pp. 207-216.
• Friedrich, R., Rodi, W. (Eds.) (2002): Advances in LES of Complex Flows. Vol. 65 of FLUID MECHANINCS AND ITS APPLICATIONS, Kluwer Academic Publishers.
• Tremblay, F., Friedrich, R. (2002): An algorithm to treat flows bounded by arbitrarily shaped surfaces with cartesian grids. -In: Notes on Numerical Fluid Mechanics. Vol. 77, pp. 289-296.
• Manhart, M., Friedrich, R. (2002): DNS of a turbulent boundary layer with separation. Int. J. Heat and Fluid Flow, Vol. 23, pp. 572-581.
• Brun, Chr., Friedrich, R. (2001): Modeling the test sgs tensor Tij : An issue in the dynamic approach. Physics of Fluids, Vol.13, pp. 2373-2385.
• Friedrich, R., Hüttl, T.J., Manhart, M., Wagner, C. (2001): Direct numerical simulation of incompressible turbulent flows. Computers & Fluids, Vol. 30, No. 5, pp. 555-580.
• Lechner, R., Sesterhenn, J., Friedrich, R. (2001): Turbulent supersonic channel flow. Journal of Turbulence, 2, 001.
• Hüttl, T.J., Friedrich, R. (2000): Influence of curvature and torsion on turbulent flow in helically coiled pipes. Int. J. Heat and Fluid Flow 21, pp. 345-353.
• Friedrich, R. (1999): Modelling of turbulence in compressible flows. - In: Transition, Turbulence and Combustion Modelling, Edited by A. Hanifi et al., Kluwer Academic Publishers, Dordrecht, pp. 243-348.
• Friedrich, R., Bontoux, P. (Eds.) (1998): Computation and Visualisation of Three-Dimensional Vortical and Turbulent Flows. Proc. Fifth CNRS-DFG Workshop on Numerical Flow Simulation. Notes on Numerical Fluid Mechanics, Vol. 64, Vieweg-Verlag.
• Wagner, C., Friedrich, R. (1998): On the turbulence structure in solid and permeable pipes. Int. J. Heat Fluid Flow, Vol. 19, pp. 459 -469.
• Friedrich, R., Bertolotti, F.P. (1997): Compressibility effects due to turbulent fluctuations. - Applied Scientific Research, Vol. 57, S. 165-194.
• Zhao, A.X., Wagner, C., Narayanan, R., Friedrich, R. (1995): Bilayer Rayleigh-Marangoni convection: transitions in flow structures at the interface. Proc. R. Soc. Lond. A 451, S. 487-502.
• Hannappel, R., Friedrich, R. (1995): Direct numerical simulation of a Mach 2 shock interaction with isotropic turbulence. - In: Applied Scientific Research 54, S. 205-221.
• Haidinger, F.A., Friedrich, R. (1995): Numerical simulation of strong shock / turbulent boundary layer interactions using ta Reynolds stress model. - Z. Flugwiss. Weltraumforsch. 19, pp. 3130-3143.
• Eggels, J.G.M., Unger, F., Weiss, M.H., Westerweel, J., Adrian, R.J., Friedrich, R., Nieuwstadt, F.T.M. (1994): Fully developed turbulent pipe flow: A comparison between direct numerical simulation and experiment. - Journal of Fluid Mechanics, 268, pp. 175-209.
• Friedrich, R., Rudraiah, N. (1993): Order and disorder in nonlinear dynamical systems. - In: Encyclopedia of Fluid Mechanics, Supplement 1: Applied Mathematics in Fluid Dynamics, Ed. N.P. Cheremisinoff, Gulf Publ. Comp., London 1993, S. 441-508.
• Friedrich, R., Freitag, Chr. (1993): Linear instability in rotating two-component fluid saturated porous layers. - ZAMM 73, T582-T587.
• Friedrich, R., Arnal, M., Unger, F. (1991): Large eddy simulation of turbulence in engineering applications. - Applied Scientific Research, 48 , pp.437-445.
• Friedrich, R., Arnal, M.P. (1990): Analyzing turbulent backward-facing step flow with the low-pass filtered Navier-Stokes-equations. - In: Journal of Wind Engineering and Industrial Aerodynamics, 35, pp. 101-128. Elsevier Science Publishers, Amsterdam.
• Schmitt, L., Friedrich, R. (1988): Large-eddy simulation of turbulent backward facing step flow. - In: Notes on Numerical Fluid Mechanics, Vol. 20, Vieweg Verlag, S. 355-362.
• Schumann, U., Friedrich, R. (1987): On direct and large eddy simulation of turbulence. - In: G. Comte-Bellot and J. Mathieu (Eds.) Advances in Turbulence. Springer-Verlag, Berlin, S. 88-104.
• Friedrich, R., Rudraiah, N. (1984): Marangoni convection in a rotating fluid layer with non-uniform temperature gradient. - Int. J. of Heat and Mass Transfer 27, S. 443-449.
• Friedrich, R., Rudraiah, N. (1983): Similar solutions of Brinkman Equations for a two-dimensional plane jet in a porous medium. - J. of Fluids Engineering 105, S. 1-5.
• Friedrich, R. and Su Mingde (1982): Large eddy simulation of a turbulent wall-bounded shear layer with longitudinal curvature. - Lecture Notes in Physics 170, pp. 196-202.
• Friedrich, R. (1974): The impulsively started and heated finite flat plate in a collisionless gas. Mechanics Research Communications, 1, pp. 89-93.
• Friedrich, R. (1973): Gaskinetische Behandlung des Rayleigh-Problems bei mäßg bis stark verdünnten Gasen. Ing.-Arch. 42, pp. 341-354.