Gas Pressure Loss through Piping

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Tags: Pressure Pipe Sizing Gas 

 

Gas Pressure Loss through Piping formula

\(\large{ p_l = \frac{ \mu \; l \; v_g^2 \; \rho }{ 2 \; d }   }\)     (Gas Pressure Loss through Piping)

\(\large{ \mu = \frac { 2 \;d \; p_l }{ l \; v_g^2 \; \rho }   }\)

\(\large{ l = \frac { 2 \;d \; p_l }{ \mu \; v_g^2 \; \rho }   }\)

\(\large{ v_g = \sqrt{  \frac { 2 \;d \; p_l }{ \mu \; l \; \rho }   }   }\)

\(\large{ \rho = \frac { 2 \;d \; p_l }{ \mu \; l \; v_g^2 }   }\)

\(\large{ d = \frac{ \mu \; l \; v_g^2 \; \rho }{ 2 \; p_l }   }\)

Symbol English Metric
\(\large{ p_l }\) = gas pressure loss  \(\large{\frac{lbf}{in^2}}\)  \(\large{Pa}\)
\(\large{ \mu }\)  (Greek symbol mu) = friction coefficient \(\large{dimensionless}\)
\(\large{ l }\) = pipe length \(\large{ft}\) \(\large{m}\)
\(\large{ v_g }\) = velocity of gas \(\large{\frac{ft}{sec}}\) \(\large{\frac{m}{s}}\)
\(\large{ \rho }\)  (Greek symbol rho) = density of gas \(\large{\frac{lbm}{ft^3}}\) \(\large{\frac{kg}{m^3}}\)
\(\large{ d }\) = inside diameter of pipe \(\large{in}\) \(\large{mm}\)

 

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Tags: Pressure Pipe Sizing Gas