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Two-Point Correlations of a Round Jet into a Crossflow – Results from a Direct Numerical Simulation

In: High Performance Computing in Science and Engineering '08

Author

Listed:
  • J. A. Denev

    (University of Karlsruhe (TH), Institute for Technical Chemistry and Polymer Chemistry)

  • J. Fröhlich

    (Technical University of Dresden, Institute for Fluid Mechanics)

  • H. Bockhorn

    (University of Karlsruhe (TH), Institute for Technical Chemistry and Polymer Chemistry)

Abstract

Summary The paper presents results for the two-point correlation coefficient of two velocity components and a passive scalar for jets in crossflow. The data were obtained from two Direct Numerical Simulations carried out at two different Reynolds numbers (650 and 325) with a jet-to-crossflow velocity ratio of 3.3 in both cases. Results along the trajectory of the jet show the larger size of the turbulent eddies for the smaller Reynolds number. The integral scale of the turbulent eddies increases downstream. In the studied region, this scale appears to be larger along the crossflow than along the direction of the jet. The required resources for the investigation are described.

Suggested Citation

  • J. A. Denev & J. Fröhlich & H. Bockhorn, 2009. "Two-Point Correlations of a Round Jet into a Crossflow – Results from a Direct Numerical Simulation," Springer Books, in: Wolfgang E. Nagel & Dietmar B. Kröner & Michael M. Resch (ed.), High Performance Computing in Science and Engineering '08, pages 191-203, Springer.
    • Handle: RePEc:spr:sprchp:978-3-540-88303-6_14
    DOI: 10.1007/978-3-540-88303-6_14
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