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| Teaching Since: | May 2017 |
| Last Sign in: | 398 Weeks Ago, 3 Days Ago |
| Questions Answered: | 66690 |
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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Consider the flat-walled diffuser in Fig. P7.50, which is similar to that of Fig. 6.26a with constant width b. If x is measured from the inlet and the wall boundary layers are thin, show that the core velocity U(x) in the diffuser is given approximately by
where W is the inlet height. Use this velocity distribution with Thwaites’s method to compute the wall angle θ for which laminar separation will occur in the exit plane when diffuser length L =2W. Note that the result is independent of the Reynolds number.

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