CWR4202_Hmwk_01_S2012

# CWR4202_Hmwk_01_S2012 - ’ for section 1 of problem 2 4 A...

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CWR 4202 – Hydraulics Spring 2012 Name____________________ Review of Fundamentals (Due Thursday, January 19, at beginning of class) 1) For horizontal flow in a 350-mm pipe the velocity is 0.5 m/s, what is the corresponding velocity in a 75-mm-diameter jet exiting from a nozzle on the end of the pipe? 2) A fluid flows between two converging plates that are 450 mm wide (Figure 1), and the velocity varies at section 1 according to the expression For values of n 1 = 50 mm and v max = 0.3 m/s at section 1, determine (a) the flow per unit width perpendicular to the surface of this paper, (b) the total flow in m 3 /s, (c) the mean velocity for the section, and (d) the mean velocity for the section where n 2 = 20 mm. F i g u r e 1 3) Calculate the energy coefficient and momentum coefficient

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Unformatted text preview: ’, for section 1, of problem 2. 4) A jet of water 50 mm in diameter is directed vertically upwards (See Figure 2). The initial velocity of the jet is 14 m/s as it leaves the nozzle (assume the tip of the nozzle is the reference datum). Determine the jet velocity and diameter 2.5 m above datum. At what height above datum would the jet come to rest? 5) A 6-inch diameter pipe that is 600 ft long carries water from point A at elevation 80.0 ft to point B at elevation 120.0 ft. The frictional stress between the liquid and the pipe walls is 0.62 lb/ft 2 . Determine the pressure change in the pipe and the reduction in head. 1 1 max 1 2 n n n n v v 1 1 2 2 n 1 v max CWR 4202 – Hydraulics Spring 2012 Figure 2....
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CWR4202_Hmwk_01_S2012 - ’ for section 1 of problem 2 4 A...

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