DNS of turbulent heat transfer through two-dimensional slits Online publication date: Wed, 19-Nov-2008
by S. Makino, K. Iwamoto, H. Kawamura
Progress in Computational Fluid Dynamics, An International Journal (PCFD), Vol. 8, No. 7/8, 2008
Abstract: Direct Numerical Simulation (DNS) of a turbulent heat transfer in a channel flow with two-dimensional slit has been performed in order to investigate the performance of the heat transfer behind a slit and the effects of the flow contraction on the thermal field. In the wake region, the mean flow becomes asymmetric in the wall-normal direction by the Coanda effect. These asymmetry phenomena affect the heat transfer performance. The several differences are found between the turbulent statistics in this study and those of a backward facing step. This can be attributed to the typical flow through the slit.
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