Abstract
A direct numerical simulation has been performed of the near field of a mixing layer formed between a high-speed turbulent stream and a low-speed laminar stream. For improved realism, the simulation includes the splitter plate in the computational domain. The shear layer develops initially from the viscous sublayer of the upstream turbulent boundary layer. A trend towards two-dimensional or weakly oblique structures is observed immediately downstream of the splitter plate. The structures do not show very high coherence levels, suggesting that additional two-dimensional forcing may be present in experiments.
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References
Brown, G.L. & Roshko, A. (1974) Density effect and large structure in turbulent mixing layers. J. Fluid Mech. 64, 775–816.
Laizet S. & Lamballais, E. (2006) Simulation numérique directe de l’influence de la forme aval d’une séparatrice sur une couche de mélange. Comptes Rendus Mecanique 334, 454–460.
Mathew, J., Mahle, I. and Friedrich, R. (2008) Effects of compressibility and heat release on entrainment processes in mixing layers. Journal of Turbulence, 9(14), 1–12.
Rogers, M.M. and Moser, R.D. (1994) Direct simulation of a self-similar turbulent mixing layer, Phys. Fluids 6(2) (1994), 902–923.
Sandberg, R.D. & Sandham, N.D. (2008) Direct numerical simulation of turbulent flow past a trailing edge and the associated noise generation. J. Fluid Mech., 596, 353–385.
Sandham, N.D., Li, Q. & Yee, H.C. (2003) Entropy splitting for high-order simulation of compressible turbulence. J. Comp. Phys. 178(2), 307–322.
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Sandham, N.D., Sandberg, R.D. (2010). Development of Brown–Roshko Structures in the Mixing Layer Behind a Splitter Plate. In: Armenio, V., Geurts, B., Fröhlich, J. (eds) Direct and Large-Eddy Simulation VII. ERCOFTAC Series, vol 13. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-3652-0_7
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DOI: https://doi.org/10.1007/978-90-481-3652-0_7
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