Question: Repeat Problem 8.106 if the downspout is circular. Problem 8.106 Rainwater flows through the galvanized iron downspout shown in Fig. P8.106 at a rate of

Repeat Problem 8.106 if the downspout is circular.

Problem 8.106

Rainwater flows through the galvanized iron downspout shown in Fig. P8.106 at a rate of \(0.006 \mathrm{~m}^{3} / \mathrm{s}\). Determine the size of the downspout cross section if it is a rectangle with an aspect ratio of 1.7 to 1 and it is completely filled with water. Neglect the velocity of the water in the gutter at the free surface and the head loss associated with the elbow.

Figure P8.106

70 mm 4 m g 3 m

70 mm 4 m g 3 m

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