Example_of_Grade_Lines - irreversible losses, but HGL can...

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Example of Grade Lines in a Fluid Flow At point 0, HGL = EGL inside the tank, since the fluid is at rest ( V = 0). Neither EGL or HGL can rise above this value unless work is added to the flow (e.g., with a pump). At any location in the duct, the difference between EGL and HGL is V 2 /(2 g ). EGL continually falls due to
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Unformatted text preview: irreversible losses, but HGL can rise or fall. Overall, however, HGL also must fall. In fact, HGL can never rise above EGL. Since the jet exits at atmospheric pressure at the outlet of the pipe, P 3 = P atm , and HGL is equal to the height of the free surface of the liquid....
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This note was uploaded on 07/23/2008 for the course ME 33 taught by Professor Cimbala during the Fall '05 term at Pennsylvania State University, University Park.

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