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DNS of Turbulent Premixed CO/H2/Air Flames

In: High Performance Computing in Science and Engineering ’03

Author

Listed:
  • Marc Lange

    (Stuttgart University, High-Performance Computing Center Stuttgart (HLRS))

Abstract

Summary A program for the direct numerical simulation (DNS) of reactive flows is presented. In favor of using detailed models for chemical kinetics and molecular transport only spatially two-dimensional simulations are performed. This scientific application code has been used as a benchmark on several platforms, including Intel Itanium 2 systems, IBM’s SMP server pSeries 690, and a Fujitsu-Siemens hpc-Line cluster with Intel Xeon CPUs. The overhead for parallelization on these systems is discussed separately from the single processor performance. Up to 512 processor elements of a Cray T3E have been used and it is shown that even more processors could be used while maintaining a high parallel efficiency. Direct simulations of flames evolving after induced ignition of a premixed CO/H2/air mixture under turbulent conditions have been carried out. Results of this investigation are presented in the application part of the paper.

Suggested Citation

  • Marc Lange, 2003. "DNS of Turbulent Premixed CO/H2/Air Flames," Springer Books, in: Egon Krause & Willi Jäger & Michael Resch (ed.), High Performance Computing in Science and Engineering ’03, pages 211-224, Springer.
    • Handle: RePEc:spr:sprchp:978-3-642-55876-4_16
    DOI: 10.1007/978-3-642-55876-4_16
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