What would happen if you place a 1m by 2 m sheet of

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What would happen if you place a 1m by 2 m sheet of aluminum (extruded) and place it on the roof of your car driving at 35 mph? Assume the plate is aligned with the direction of the relative wind.

Calculate the thickness of the boundary layer if it remains laminar. Compute the drag.
Calculate the thickness of the boundary layer if it transitions to turbulence. Compute the drag.
Calculate the Reynolds number and determine where along the plate, the how transitions from laminar to turbulent. Can you use a mixed calculation that takes into account the contribution to the thickness and drag from both the laminar and turbulent parts of the B.L.?

Reference no: EM13627570

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