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11:30
15 mins
Direct numerical simulation of turbulent Couette-Poiseuille flow with zero skin friction
Gary N Coleman, Philippe R Spalart
Session: Wall-bounded flows 4
Session starts: Thursday 27 August, 10:30
Presentation starts: 11:30
Room: Room B
Gary N Coleman (NASA)
Philippe R Spalart (Boeing)
Abstract:
The near-wall scaling of mean velocity U(y) is addressed for the case of zero skin friction on one wall of a fully turbulent channel flow. The present DNS results can be added to the evidence in support of the conjecture that U is proportional to sqrt(y) in the region just above the wall at which the mean shear dU/dy = 0.