Gas/Fluid Dynamics Help - Calculate Flow Rate & Pressure

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savage147
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I was wondering if somebody could help me out:
Today out of boredom, I was thinking about physics and cars and it sparked a question. I recently learned about incompressible fluid flow and how it is possible to theoretically calculate change in velocity of a fluid flowing through a tube with different cross-sectional areas if the fluids flow rate is constant. I was wondering if there is a way to determine the flow rate of a compressible fluid and also how to convert this flow rate into pressure if it is flowing into an enclosed area of known volume. For instance, a turbine on a engine creates pressure within the intake system by forcing air into the system. So, I want to know which formulae I should use to first - find the compressible from rate and second - convert it into pressure within a container of known volume

Thank you,
Savage147
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