DNS of Turbulent Premixed CO/H2/Air Flames

Marc Lange ()
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Marc Lange: Stuttgart University, High-Performance Computing Center Stuttgart (HLRS)

A chapter in High Performance Computing in Science and Engineering ’03, 2003, pp 211-224 from Springer

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.

Keywords: Direct Numerical Simulation; Flame Front; Turbulent Flame; Flame Surface; Parallel Efficiency (search for similar items in EconPapers)
Date: 2003
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-642-55876-4_16

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DOI: 10.1007/978-3-642-55876-4_16

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