HW___4__Summer_08

HW___4__Summer_08 - BEE 331 Bio-Fluid Mechanics Bernoulli...

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BEE 331 Bio-Fluid Mechanics Bernoulli HW # 4, Summer 2008 1. Two cylinders standing upright contain liquid and are connected by a submerged orifice. The diameters of the cylinders are 1.75 m and 1.0 m and of the orifice, 0.08 m. The difference in levels of the liquid is initially 1.35 m. Find how long it will take for this difference to be reduced to 0.66 m if the coefficient of discharge for the orifice is 0.605. (Work from first principles). 2. Contrary to popular belief, arteriosclerosis, or hardening of the arteries does not occur uniformly throughout the length of an artery. Instead, a plaque of cholesterol forms locally on the inner surface of the artery. Eventually, endothelial cells grow over the plaque causing a permanent bump, which may absorb additional layers of fat as the raised surface can cause them to lodge. These plaques become dangerous when they rupture as the freed blob of fat can block smaller vessels and cause a stroke or heart attack. Determine the pressure in mmHg at the location of such a plaque (station 2) and just
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This note was uploaded on 03/29/2009 for the course BEE 3310 taught by Professor Gebremedhin,k. during the Summer '07 term at Cornell.

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HW___4__Summer_08 - BEE 331 Bio-Fluid Mechanics Bernoulli...

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