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I’m writing my bachelor thesis about valves, and was wondering if anyone could help me with the following derivation:

I need to show the algebraic link between the mechanical energy-equation and the ”valve equation” that is Cv=Q * [Square](Sg/[Delta]p). This can also be called the flow coefficient-equation.

Everything in field units (american units)

All help will be appreciated a lot!

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# Homework Help: Mechanical enery equation to valve equation

**Physics Forums | Science Articles, Homework Help, Discussion**