Laminar Sub Layer Assignment Help | Laminar Sub Layer Homework Help

Laminar Sub-Layer

•    Laminar sub layer is the region in the region in the turbulent boundary layer zone, adjacent to the solid surface of the plate.

•    The velocity variation in this region is assumed linear as it’s a very thin layer and so that velocity gradient (du / dy) can be considered constant.

•    Shear stress in laminar sub-layer

τ0  =  μ (du / dy)y = 0          For linear variation du / dy = u / y

τ0  =  μ (u/y)

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