ech%203264_exam4_sp08

ech%203264_exam4_sp08 - 1 ECH 3264: Elementary Transport...

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Unformatted text preview: 1 ECH 3264: Elementary Transport Phenomena Exam #4 April 18, 2008 Name: Closed book and notes. No calculators. You are allowed one formula sheet (front and back). Start each problem on a new page. DO NOT use the back of a page. Write clearly your assumptions and any parameter definitions. Show your work to get maximum credit. It is helpful to the grader (and to you) if you box intermediate and final answers. Useful information: rL SA r SA L r V r V cylinder sphere cylinder sphere 2 4 3 4 2 2 3 = = = = (1) (5 pts) Below is a plot of shear stress versus rate of strain for four types of liquids. Identify each of the liquids as one of these: Newtonian, Bingham Plastic, pseudoplastic (shear thining), and dilant (shear thickening). xy | | xy & a b c d xy | | xy & a b c d (a) (b) (c) (d) (2) Bingham fluid in a tilted channel (15 pts) A Bingham plastic fluid is contained within a channel and has a viscosity , a constant density of , and an unknown yield stress of...
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This note was uploaded on 08/30/2009 for the course ECH 3264 taught by Professor Asthagiri during the Spring '09 term at University of Florida.

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ech%203264_exam4_sp08 - 1 ECH 3264: Elementary Transport...

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