Link BD consists of a single bar 30 mm wide and 12 mm thick. Knowing that each pin has a10 mm diameter, determine the maximum value of the average normal stress in the link BD if θ = 15 degrees.

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For the flow over a flat plate value of the critical Reynold's Number is 5*10 ⁵

for the Re>5*10 ⁵ the flow is known to be turbulent

and if Re<5*10 ⁵ then the flow is Laminar

In the first row Reynold's number is 54694.17 (> 5*10 ⁵ ) hence the flow is turbulent in this observation

In the second row, Reynold's number is 4600.745 (< 5*10 ⁵ ) hence the flow is Laminar in this observation

In the second row, Reynold's number is 3910.633 (< 5*10 ⁵ ) hence the flow is Laminar in this observation