(a) For laminar draining of a wide, thin sheet of water on pavement sloped at angle , as
Chapter 10, Problem p10.12(choose chapter or problem)
(a) For laminar draining of a wide, thin sheet of water on pavement sloped at angle , as in Fig. P4.36, show that the fl ow rate is given by Q 5 gbh3 sin 3 where b is the sheet width and h its depth. (b) By (somewhat laborious) comparison with Eq. (10.13), show that this expression is compatible with a friction factor f 5 24/Re, where Re 5 Vavh/
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