Air Pipe Sizing

on . Posted in Fluid Dynamics

   

Air Pipe Sizing formula

\( d =  24 \; \sqrt{  Qa \;/\; 60 \; \pi \; v_a  }  \)     (Air Pipe Sizing)

\( Q_a =  60 \; \pi \; v_a \; ( d \;/\;24)^2   \)

\( v_a =  Q_a \;/\; ( 60 \; \pi \; ( d \;/\;24 )^2 )   \) 

Solve for d

air flow rate, Qa
air velocity, va

Solve for Qa

air velocity, va
pipe ID, d

Solve for va

air flow rate, Qa
pipe ID, d

Symbol English Metric
\( d \) = pipe inside diameter \(in\) \(mm\)
\( Q_a \) = air flow rate \(ft^3 / min \) \(m^3 / min \)
\( v_a \) = air velocity \(ft / sec \) \(m / s \)
\( \pi \) = Pi \(3.141 592 653 ...\)


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Tags: Pipe Sizing Air