Air flows in a certain cylindrical pipe 1 m long with an
Chapter , Problem 7.12(choose chapter or problem)
Air flows in a certain cylindrical pipe 1 m long with an inside diameter of 1 mm. The pressure difference between the ends of the pipe is 0.1 atm. Compute the laminar resistance, the Reynolds number, the entrance length, and the mass flow rate. Comment on the accuracy of the resistance calculation. For air use \(\mu=1.58 \times 10^{-5} \mathrm{~N} \cdot \mathrm{s} / \mathrm{m}^{2}\) and \(\rho=1.2885 \mathrm{~kg} / \mathrm{m}^{3}\).
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