Question: According to potential theory for the flow approaching a rounded two-dimensional body, as in the figure below, the velocity approaching the stagnation point is given

According to potential theory for the flow approaching a rounded two-dimensional body, as in the figure below, the velocity approaching the stagnation point is given by u=U(1a2/x2), where a is the nose radius and U is the velocity far upstream. Evaluate the maximum viscous normal stress if the fluid is SAE 300 20C, with U=20m/s and a=5cm. For SAE 30 oil, =917kg/m3 a =0.29kg/(ms). The maximum viscous normal stress is Pa

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