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Elementary,Middle School,High School,College,University,PHD
| 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
A smooth flat plate, 2.5 m long and 0.8 m wide, moves length ways at 3 m ·s−1 through still water. The plate is assumed to be completely covered by a turbulent boundary layer in which the velocity distribution is given by 1−(u/U) = (y/δ)1/7 and the shear stress by τ = 0.023eU2(ν/Uδ)1/4 where U denotes the steady velocity of the plate, u the velocity in the boundary layer at distance y from the plate, δ the thickness of the boundary layer, and e and ν the density and kinematic viscosity of the water respectively. If ν = 10−6 m2 ·s−1, calculate the total drag on the plate and the power required to move it
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