Задача id10769

Determine the pressure loss dр in the water path of the water heater, consisting of a six-loop steel tubular coil (Fig.). The diameter of the pipes is d = 0.075 m, the length of the straight section is l = 3 m, the loops are connected by circular elbows having a radius R = 0.1 m. Water flow Q = 0.01 m3/s, temperature 90°C.

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