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Explicit  natural gas viscosity correlation:

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anchormu
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\mu_g = K \cdot \exp \left( X \, \rho_g^Y \right)


100 < T < 340 °F


100 < p < 8,000 psi

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anchorK
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K = T^{1.5} \cdot \frac{9.379 + 0.01607 \, MW_g}{209.2 + 19.26 \, MW_g +T}
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X = 3.488 + \frac{986.4}{T} + 0.01009 \, MW_g
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Y =  2.447 - 0.2224 \, X

where

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body\mu_g

cpDynamic gas viscosity 

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bodyT

°Rankinefluid temperature in 

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body\rho_g

g/ccfluid density in 

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bodyMW_g

g/mol

 gas molar weight


See also

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Natural Science / Physics /Thermodynamics / Natural gas viscosity correlations

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