Abstract
Effects of extra strain and dilatation rates on the turbulence structure in nozzles with fully developed supersonic pipe flow as inflow condition are investigated by means of DNS and LES using high-order numerical schemes. It is found that weak favorable pressure gradients already strongly inhibit the Reynolds stresses via corresponding changes of production and pressure-strain terms. The results constitute a database for the improvement of turbulence models for compressible flows.
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Ghosh, S., Friedrich, R. (2009). On the Turbulence Structure in Supersonic Nozzle Flow. In: Wagner, S., Steinmetz, M., Bode, A., Brehm, M. (eds) High Performance Computing in Science and Engineering, Garching/Munich 2007. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-69182-2_19
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DOI: https://doi.org/10.1007/978-3-540-69182-2_19
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