The Moody chart cannot fi nd V directly, since V appears in both ordinate and abscissa
Chapter 6, Problem p6.68(choose chapter or problem)
The Moody chart cannot fi nd V directly, since V appears in both ordinate and abscissa. (a) Arrange the variables (hf , d, g, L, ) into a single dimensionless group, with hf d3 in the numerator, denoted as , which equals (f Red 2 /2). (b) Rearrange the Colebrook formula (6.48) to solve for Red in terms of . (c) For extra credit, solve Example 6.9 with this new formula.
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