Gas Pressure Loss through Piping Formula |
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\( p_l \;=\; \dfrac{ \mu \cdot l \cdot v_g^2 \cdot \rho }{ 2 \cdot d }\) (Gas Pressure Loss through Piping) \( \mu \;=\; \dfrac{ 2 \cdot d \cdot p_l }{ l \cdot v_g^2 \cdot \rho }\) \( l \;=\; \dfrac{ 2 \cdot d \cdot p_l }{ \mu \cdot v_g^2 \cdot \rho }\) \( v_g \;=\; \sqrt{ \dfrac{ 2 \cdot d \cdot p_l }{ \mu \cdot l \cdot \rho } } \) \( \rho \;=\; \dfrac{ 2 \;d \cdot p_l }{ \mu \cdot l \cdot v_g^2 }\) \( d \;=\; \dfrac{ \mu \cdot l \cdot v_g^2 \cdot \rho }{ 2 \cdot p_l }\) |
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| Symbol | English | Metric |
| \( p_l \) = gas pressure loss | \(lbf\;/\;in^2\) | \(Pa\) |
| \( \mu \) (Greek symbol mu) = friction coefficient | \(dimensionless\) | \(dimensionless\) |
| \( l \) = pipe length | \(ft\) | \(m\) |
| \( v_g \) = velocity of gas | \(ft\;/\;sec\) | \(m\;/\;s\) |
| \( \rho \) (Greek symbol rho) = density of gas | \(lbm\;/\;ft^3\) | \(kg\;/\;m^3\) |
| \( d \) = inside diameter of pipe | \(in\) | \(mm\) |
