Question 14.2: A box-shaped truck body 2.5 m wide, 3 m high, and 7 m long (...
A box-shaped truck body 2.5 m wide, 3 m high, and 7 m long (Figure 14.9) is traveling at 20 m/s in 20°C air. Calculate the contributions to the total drag of the truck from the sides and top of the truck body. Assume that a sheet metal seam near the leading edge of each panel causes the boundary layer to be turbulent for the full length of the panel. Also find the wall shear stress and boundary layer thickness along the top panel, and the maximum value of the wall shear stress and boundary layer thickness on this panel.
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