A device housed in a utility building is either a turbine or

A device housed in a utility building is either a turbine or a pump. Determine which it is if the geometry is similar to the sample problem #8.62 that was posted earlier today. Z_1 = 90 m and Z_2 = 70 m; pipe length = 100 m; The material of the pipe is galvanized iron and the volumetric flow rate through the pipe is 0.1 m^3/s. Determine what kind of device it is if the volumetric flow rate is reduced to 0.01 m^3/s? Let\'s use the same geometry in problem #1 above with a few additions to the flow system. It is known that there is a pump in the utility house which delivers a head of 100 m to the water. However, the volumetric flow rate is not known. There have been added to the pipe section the following: 3 regular, 90-deg., threaded elbows and 1 fully-open globe valve. Find the power delivered to the fluid by the pump. Do not forget the inlet and the exit minor losses, just as in problem #1, above. Did you easily recognize that problem #2 is an iterative problem? Place values of variables in a table as you iterate. Finally, remove the pump from the system and determine the diameter of the pipe that will produce a flow rate of 0.1 m^3/s, if the flow is only produced by gravity.

Solution

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