Abstract:Direct numerical simulations of turbulent channel flows with moving spanwise wall is performed in this paper. The aim of this work is to show what influences can be caused in turbulent channel flow by spanwise moving wall, that introduces a new characteristic velocity. Figure 1 shows the flow geometry and the coordinate system. The DNS was performed using the standard spectral method. Three cases with the spanwise wall velocity W=0, U,~ and 2Urn are simulated at constant flow rate, here U,~ is the mean stream … Show more
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