For the falling oil film of Prob. 9113, calculate the volume flow rate per unit width of
Chapter 9, Problem 9-114(choose chapter or problem)
For the falling oil film of Prob. 9113, calculate the volume flow rate per unit width of oil falling down the wall (V # /L) as a function of wall speed V and the other parameters in the problem. Calculate the wall speed required such that there is no net volume flow of oil either up or down. Give your answer for V in terms of the other parameters in the problem, namely, r, m, h, and g. Calculate V for zero volume flow rate for an oil film of thickness 4.12 mm with r 5 888 kg/m3 and m 5 0.801 kg/ms.
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