Chapt06

# 06 the pump net head h is a known function of qa and

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Unformatted text preview: Study Guide 422 Chapter 6 Viscous Flow in Ducts Q Weee! Tube 4.00 m Ladder Sliding board Pump Water 1.00 m C6.3 *C6.4 Suppose you build a house out in the “boonies” where you need to run a pipe to the nearest water supply, which is fortunately at an elevation of about 1000 m above that of your house. The pipe will be 6.0 km long (the distance to the water supply), and the gage pressure at the water supply is 1000 kPa. You require a minimum of 3.0 gal/min of water when the end of your pipe is open to the atmosphere. To minimize cost, you want to buy the smallest-diameter pipe possible. The pipe you will use is extremely smooth. (a) Find the total head loss from the pipe inlet to its exit. Neglect any minor losses due to valves, elbows, entrance lengths, etc., since the length is so long here and major losses dominate. Assume the outlet of the pipe is open to the atmosphere. (b) Which is more important in this problem, the head loss due to elevation difference or the head loss due to pressure drop in the pipe? (c) Find the minimum required pip...
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