The diffusion of vorticity from a plane boundary
Hershey, Allen V.
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Any discontinuity in flov; at a plane boundary is dispersed by the diffusion of vorticity into a boundary layer and vyake. Experimental measurements in the past have been correlated with empirical formulations. A generalization gives both the horizontal component and the vertical component of the mean velocity. In the laminar sublayer the velocity is a solution of the diffusion equation. In the turbulent boundary layer the velocity can be expressed by a Fourier integral. In the free stream there is a vertical persistence of velocity. The computation of velocity is provided by subroutines.
NPS Report NumberNPS-012-87-006
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