Difference between revisions of "Lee correlation"
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| − | == | + | == Lee gas viscosity correlation == |
| − | Lee correlation for viscosity | + | [[Lee correlation]] is the empirical correlation for the gas viscosity published in '''1966'''. |
| − | == | + | [[File:LeeSample.png|thumb|right|400px|link=https://www.pengtools.com/pvtCalculator|Lee gas viscosity correlation at T=340F in the PVT software at pengtools.com|right]] |
| − | :<math> \mu_g = K\ e^{X\ \rho_g^Y} </math><ref name= Lee/> | + | == Math & Physics == |
| + | |||
| + | :<math> \mu_g = \frac{K\ e^{(X\ \rho_g^Y)}}{10000} </math><ref name= Lee/> | ||
where | where | ||
| − | |||
| − | :<math> K = \frac{(0. | + | :<math> K = \frac{(9.4+0.02\ M_g)\ T^{1.5}}{(209+19M_g+T)}</math> |
:<math> X = 3.5+\frac{986}{T}+0.001M_g </math> | :<math> X = 3.5+\frac{986}{T}+0.001M_g </math> | ||
| − | :<math> Y = 2.4-0. | + | :<math> Y = 2.4-0.2\ X </math> |
:<math> M_g = 28.967\ SG_g </math> | :<math> M_g = 28.967\ SG_g </math> | ||
| − | = | + | :<math> \rho_g = \frac{1}{62.428} \times \frac{28.967\ SG_g\ p}{z\ 10.732\ T}</math> |
| − | |||
| − | + | == Application range == | |
| − | :<math> 560 \le T < | + | :<math> 560 \le T < 800 </math> |
| − | :<math> 100 < P \le 8000 | + | :<math> 100 < P \le 8000</math> |
| − | + | == Nomenclature == | |
:<math> \rho_g </math> = gas density, g/cm3 | :<math> \rho_g </math> = gas density, g/cm3 | ||
:<math> \mu_g </math> = gas viscosity, cp | :<math> \mu_g </math> = gas viscosity, cp | ||
| − | :<math> M_g </math> = gas molecular weight | + | :<math> M_g </math> = gas molecular weight, dimensionless |
| − | :<math> | + | :<math> p </math> = pressure, psia |
:<math> SG_g </math> = gas specific gravity, dimensionless | :<math> SG_g </math> = gas specific gravity, dimensionless | ||
:<math> T </math> = temperature, °R | :<math> T </math> = temperature, °R | ||
:<math> z </math> = gas compressibility factor, dimensionless | :<math> z </math> = gas compressibility factor, dimensionless | ||
| − | + | == References == | |
<references> | <references> | ||
<ref name=Lee>{{cite journal | <ref name=Lee>{{cite journal | ||
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|last3= Eakin |first3=B. E. | |last3= Eakin |first3=B. E. | ||
|title=The Viscosity of Natural Gases | |title=The Viscosity of Natural Gases | ||
| − | |journal= | + | |journal=Journal of Petroleum Technology |
|number=SPE-1340-PA | |number=SPE-1340-PA | ||
|date=1966 | |date=1966 | ||
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[[Category:pengtools]] | [[Category:pengtools]] | ||
[[Category:PVT]] | [[Category:PVT]] | ||
| + | |||
| + | {{#seo: | ||
| + | |title=Lee gas viscosity correlation | ||
| + | |titlemode= replace | ||
| + | |keywords=gas viscosity, Lee correlation | ||
| + | |description=Lee correlation is the empirical correlation for the gas viscosity published in 1966. | ||
| + | }} | ||
Latest revision as of 11:56, 5 October 2020
Contents
Lee gas viscosity correlation
Lee correlation is the empirical correlation for the gas viscosity published in 1966.
Math & Physics
where
Application range
Nomenclature
= gas density, g/cm3
= gas viscosity, cp
= gas molecular weight, dimensionless
= pressure, psia
= gas specific gravity, dimensionless
= temperature, °R
= gas compressibility factor, dimensionless
References
- ↑ Lee, A. B.; Gonzalez, M. H.; Eakin, B. E. (1966). "The Viscosity of Natural Gases". Journal of Petroleum Technology (SPE-1340-PA).
