Задача id10776

Determine the pressure loss dрм to overcome local resistance when water moves in a steel pipeline with a diameter d = 0.025 m when the pipe is turned at an angle a = 90° without an insert and with an insert. Find the shortest length of the insert lвс at which there is no mutual influence of two local resistances. Water speed v = 5 m/s, temperature 20°C.

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