Engineering, 06.05.2020 05:34 raweber
A DIY person is driving home from the local home improvement store with a 4-ft by 8-ft sheet of plywood attached to the roof of the car. If the car’s speed is 35 mph and assuming the air flow is parallel to the plywood a) estimate the boundary layer thickness at the endo of the board, b) estimate the drag on the plywood is the boundary layer remains laminar, and c) estimate the drag is the boundary layer is turbulent (assume the wood is smooth).
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