Task id10758

Task id10758

Water flow at a temperature of 10°C in a horizontal pipe of annular cross-section, consisting of two concentric galvanized steel pipes (with an annular distance between the pipes Ke = 0.15 mm), Q = 0.0075 m3/s. The inner pipe has an outer diameter d = 0.075 m, and the outer pipe has an inner diameter D = 0.1 m. Determine the friction head loss over a pipe length l = 300 m.

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