Задача id10756

Determine the pressure loss due to friction in the suction pipeline of a pump with length l = 20 m, diameter d = 0.2 m. The flow rate of liquid passing through the suction pipe is Q = 0.06 m3/s. The pipeline has three turns (E = 0.2), a suction valve (Ecl = 5). Determine the equivalent length corresponding to local resistances.

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