Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 29 Apr 2018 My Price 4.00

Rhode Island

In turbulent flow near a flat wall, the local velocity u varies only with distance y from the wall, wall shear stress tw, and fluid properties ? and µ. The following data were taken in the University of Rhode Island wind tunnel for airflow, ? = 0.0023 slug/ft3, µ = 3.81E-7 slug/(ft?cs), and tw = 0.029 lbf/ft2:
y, in 0.021 0.035 0.055 0.080 0.12 0.16
u, ft/s 50.6 54.2 57.6 59.7 63.5 65.9
(a) Plot these data in the form of dimensionless u versus dimensionless y, and suggest a suitable power-law curve fit. (b) Suppose that the tunnel speed is increased until u = 90 ft/s at y = 0.11 in. Estimate the new wall shear stress, in lbf/ft2.

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Maurice Tutor
(5)
Status NEW Posted 29 Apr 2018 09:04 PM My Price 4.00

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