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How to find velocity of water flow and $Q$ if I know static pressure at the end of the pipe of known diameter?

Physics Asked on September 5, 2021

I have a pipe. At its end I have mounted pressure meter. Of course there is no circulation. Water pressure meter is a kind of stopper for water.
I know diameter of the pipe, and I know its pressure in static.
How can I find velocity of water and its quantity $Q$ in that particular place (where pressure meter is) if I remove pressure meter and continue existing pipe with pipe of the same diameter?

As I understand $$Q = v(velocity) * S.$$ Then… I need velocity to count Q.

One Answer

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Here is the formula you need to answer all your questions about fluid flow.

Answered by MJCROMER on September 5, 2021

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