Staff list
Personal websites
>> Top
Institute of Aerodynamics
Chair of Fluid Mechanics and Institute of Aerodynamics Aachen
Home  >>  Staff list  >>  Personal websites



Personal website

Foysi, Holger, Dr.-Ing. Dipl.-Phys.
Phone: +49 241 80 95188
Fax: +49 241 80 92257
Email:
Room: 101
Web: Click here





General information:

Emmy Noether Research Group Leader in Flow Control of Reactive Turbulent Flows



Research interests

    Turbulence, supersonic flows, flow control, aeroacoustics, combustion, biological fluid and solid mechanics, numerical methods for mechanical engineering


Education


Professional Distinctions and Awards

    PH.D with distinction

    Feodor Lynen Fellowship

    Messerschmidt Prize (Best Dissertation) TU Munich

    2008 Emmy Noether fellowship (DFG)


Publications

  • [1] H. Foysi and R. Friedrich. DNS of passive scalar transport in turbulent supersonic channel flow. – In: Proc. of the 3rd Turbulence Shear Flow Phenomena Conference, Sendai, Japan, 2003, pp. 1121-1126.

  • [2] H. Foysi, S. Sarkar and R. Friedrich. On Reynolds stress anisotropy in compressible channel flow. – In: Proc. of the 3rd Turbulence Shear Flow Phenomena Conference, Sendai, Japan, 2003, pp. 1103-1108.

  • [3] J. Mathew, R. Lechner, H. Foysi, J. Sesterhenn and R. Friedrich. An explicit filtering method for large-eddy simulation of compressible flows. Physics of Fluids, Vol. 15, 2003, pp. 2279-2289.

  • [4] S. Sarkar, H. Foysi and R. Friedrich. On the turbulence structure in compressible turbulent isothermal channel flow. – In: Direct and Large-Eddy Simulation V, Kluwer Academic Publishers, 2004, pp. 405-412.

  • [5] H. Foysi and R. Friedrich. Supersonic turbulent channel flow with passive scalar transport. – In: Notes on Numerical Fluid Mechanics and Multidisciplinary Design, Vol. 87, Springer Verlag, 2004, pp. 350-357.

  • [6] H. Foysi, S. Sarkar and R. Friedrich. Compressibility effects and turbulence Scalings in supersonic channel flow. Journal of Fluid Mechanics, Vol. 509, 2004, pp. 207-216.

  • [7] S. Heinz and H. Foysi. Supersonic channel flow: The effect of compressibility in turbulence models. – In: Advances in Turbulence X, Proc. of the 10th European Turbulence Conference, CIMNE Verlag, 2004, pp. 685-688.

  • [8] H. Foysi and R. Friedrich. DNS of passive scalar transport in turbulent supersonic channel flow. – In: High Performance Computing in Science and Engineering, Munich 2004, Springer Verlag, S. Wagner et al. (Eds.), 2005, pp. 107-118.

  • [9] H. Foysi. Transport passiver Skalare in wandgebundener und isotroper kompressibler Turbulenz. PH.D Thesis, 2005

  • [10] H. Foysi and R. Friedrich. Passive scalar transport in turbulent supersonic channel flow. – In: Progress in Turbulence, Springer Proceedings in Physics, Vol. 101, 2005, pp. 223-227.

  • [11] H. Foysi, S. Sarkar and R. Friedrich. On the microstructure of the scalar field in compressible forced isotropic turbulence and supersonic channel flow. – In: Proc. of the 4th Turbulence Shear Flow Phenomena Conference, Williamsburg, USA, 2005.

  • [12] S. Heinz, H. Foysi and R. Friedrich. A (k,ω)-analysis of turbulent supersonic channel flow DNS data. – In: Proc. of the 4th Turbulence Shear Flow Phenomena Conference, Williamsburg, USA, 2005.

  • [13] J. Mathew, H. Foysi and R. Friedrich. A new approach to LES based on explicit filtering. – In: Proc. of the 4th Turbulence Shear Flow Phenomena Conference, Williamsburg, USA, 2005.

  • [14] R. Friedrich, H. Foysi and J. Sesterhenn. Turbulent momentum and passive scalar transport in supersonic channel flow. – Erscheint in: J. Brazilian Soc. of Mechanical Sciences and Engineering, 2006.

  • [15] H. Foysi, S. Sarkar and R. Friedrich. On the microstructure of the scalar field in compressible turbulent flows. – Unter Begutachtung in Journal of Turbulence.

  • [16] J. Mathew, H. Foysi and R. Friedrich. LES of compressible flows via explicit filtering. – Erscheint in: International Journal of Heat and Fluid Flow, 2006

  • [17] l. Mahle, R. Friedrich, H. Foysi and S. Sarkar. Effects of Heat Release on the Turbulence Structure in temporally Evolving Compressible Mixing layers. Proceedings of the TSFP5 2007

  • [18] l. Mahle, H. Foysi, S. Sarkar & R. Friedrich On the turbulence structure in inert and reacting compressible mixing layers. J. Fluid Mech. 593 2007

  • [19] H. Foysi, S. Sarkar The compressible mixing layer: an LES study. submitted to J. Fluid Mech.2008



    Variable density jet, S=0.14, Re = 7000, cylindrical grid with 256x64x112 grid points, Lx=30d, Lr=8d, LES, dyn. Smag., density contours:

    isosurface of vorticity magnitude, S=1.5

    isosurface of vorticity magnitude, S=0.14

    DNS channel flow Ma=3.5, fluct. passive scalar contours at y^+=8


    DNS channel flow Ma=3.5, fluct. passive scalar contours at channel center


    DNS channel flow Ma=3.5, fluct. passive scalar contours, x-z-plane


    Pressure isosurfaces in compressible mixing layers


    Movie DNS of isotropic turbulence, M_t=0.2, passive scalar mixing movie



    Last Update: 14:38:28 - 03.06.2008

 
Contact | Disclaimer | Sitemap