Suppose you build a house out in the ‘boonies,’ where you need to run a pipe to

Question

Suppose you build a house out in the ‘boonies,’ where you need to run a pipe to the nearest water supply, which fortunately is about 1 km above the elevation of your house and the length of the pipe is 6km. The gage pressure at the water supply is 1 MPa. You require a minimum of 3 gal/min when your end of the pipe is open to the atmosphere. To minimize cost, you want to buy the smallest possible diameter pipe with an extremely smooth surface.

? Find the total head loss from pipe inlet to exit, neglecting minor losses.

? Which is more important to this problem, the head loss due to elevation
difference, or the head loss due to pressure drop in the pipe?

? Find the minimum required pipe diameter.

Explanation / Answer

Found on this webpage: http://www.engineering.uiowa.edu/~me_160/hw_solutions/2008/chapter6/Chapter6.pdf

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