HW__5_Summer__08

# HW__5_Summer__08 - BEE 331 Biofluid Mechanics HW 5...

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BEE 331 Biofluid Mechanics HW # 5 Principles of Momentum Summer 08 1. A tank of water ( 3 15 with a total weight of 200 N (water plus the container) is suspended by a vertical cable. Pressurized air drives a water jet (d = 12 mm) out of the bottom of the tank such that the tension in the vertical cable is 10 N. If H = 425 mm, find the required air pressure in units of atmospheric pressure. Assume that the Bernoulli equation is applicable (i.e., steady flow). Also, assume that the velocity of the water surface is negligibly small. =999 kg/m ) C ρ ° 2. The outlet pipe from a pump is a bend of 45 degree rising in the vertical plane (i.e., internal angle of 135). The bend is 150 mm diameter at its inlet, and 300 mm at its outlet. The pipe axis at the inlet is horizontal and at the outlet it is 1 m higher, as shown. By neglecting friction, calculate the force and its direction if the inlet pressure is 100 kN/m 2 and the flow of water through the pipe is 0.3 m 3 /s. The volume of the pipe is 0.075 m

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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__5_Summer__08 - BEE 331 Biofluid Mechanics HW 5...

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