A tank (A) filled with oil at 689 kPa is to be used to feed a...

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A tank (A) filled with oil at 689 kPa is to be used to feed a second tank (B) using gravity- driven flow. The elevation difference between the tanks is 40 m and the second tank is maintained at 344 kPa. The system also includes 130 m of galvanized iron piping with 2 bends (90°) and a wide-open globe valve. The density and dynamic viscosity are p 820 kg/m3 and u = 0.0239 kg/m s. KL = 1 for sharp edged entrance, KL 0.05 for the exit, K1 0.5 for bends (90°), and KL 10 for the wide-open globe valve. The roughness of the pipe is ɛ = 0.00015 m. If the flow rate is 0.03 m3 /s, calculate the size of the pipe. [20] A tank (A) filled with oil at 689 kPa is to be used to feed a second tank (B) using gravity- driven flow. The elevation difference between the tanks is 40 m and the second tank is maintained at 344 kPa. The system also includes 130 m of galvanized iron piping with 2 bends (90°) and a wide-open globe valve. The density and dynamic viscosity are p 820 kg/m3 and u = 0.0239 kg/m s. KL = 1 for sharp edged entrance, KL 0.05 for the exit, K1 0.5 for bends (90°), and KL 10 for the wide-open globe valve. The roughness of the pipe is ɛ = 0.00015 m. If the flow rate is 0.03 m3 /s, calculate the size of the pipe. [20]

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