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Anonymous Poster

cfm

09/09/2008 6:09 AM

how can calculate air flow in cfm when pipe size (mm) and air pressure known in bar

pl. give farmula
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PWSlack
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#1

Re: cfm

09/09/2008 6:28 AM

Hint: what is the velocity in the pipe?

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#2

Re: cfm

09/09/2008 8:48 AM

The formula to calculate air flow in Cubic Feet per Minute (CFM), determine the flow velocity in feet per minute, then multiply this figure by the duct cross sectional area.

Air Flow in CFM (Q) = Flow Velocity in Feet Per Minute (V) x Duct Cross Sectional Area (A)

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