Laminar Sub Layer
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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)
For more help in Laminar Sub-Layer click the button below to submit your homework assignment τ μ
• 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)
For more help in Laminar Sub-Layer click the button below to submit your homework assignment τ μ