Задача id10759

Determine the pressure loss due to friction in a pipeline with a diameter d = 250 mm, length l = 1000 m, with an absolute wall roughness d = 0.15 mm, used for transporting oil with a weight flow rate G = 2•106 N/h, density p = 880 kg/ m3 and kinematic viscosity coefficient v = 0.3 cm2/s.

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