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DNS and LES of separation control using oscillating Lorentz forces

Albrecht, T.; Marlow, F.; Metzkes, H.; Stiller, J.

Abstract

The separated flow around an inclined flat plate at a Reynolds number 10↑4 has been computed using Direct Numerical and Large Eddy Simulation. A Lorentz force oscillates near the leading edge to reduce the separated flow region and increase the lift coefficient. Since no theory on relevant spanwise length scales of this flow is known to the authors, different mesh sizes have been investigated. Lift and drag coefficients seem to converge for ratio of spanwise length to chord ≥ 0.3. Although a comparison with PIV measurements is already quite satisfactory, simulation time should be extended to allow for more reliable statistics.

  • Lecture (Conference)
    6th International Conference on Electromagnetic Processing of Materials (EPM 2009), 19.-23.10.2009, Dresden, Deutschland
  • Contribution to proceedings
    6th International Conference on Electromagnetic Processing of Materials, 19.-23.10.2009, Dresden, Deutschland, pp. 688-691

Permalink: https://www.hzdr.de/publications/Publ-13809


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