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Phase Behavior and ThermodynamicsPVT PropertiesCalculation record

Equilibrium Vaporization Ratio of Heptane Calculator

K=Ka(Kb/Ka)bK=\frac{K_a}{(K_b/K_a)^b}

Enter the declared phase behavior and thermodynamics inputs below to solve K. Variable definitions, units, the default calculation, and the available source trail are included on this page.

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Inputs

Defaults provide a quick field-unit example for the equation.

3 variables

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Extended guidance in preparation

What is available in this record

This record provides the functioning calculator, formula, declared variables and units, a reproducible default result, and the available citation metadata. A separately written engineering interpretation has not yet been published for this calculation.

Formula reference

Formula, variables, and default calculation

K=Ka(Kb/Ka)bK=\frac{K_a}{(K_b/K_a)^b}

Reproducible default result

With the default values shown below, the calculation returns K = 3.354102 dimensionless. Defaults demonstrate the implementation; they are not recommended field values.

K_adimensionless

1.5

K_bdimensionless

0.3

bdimensionless

0.5

Input definitions

K_a

dimensionless

Heptane Equilibrium Ratio

K_b

dimensionless

Ethane Equilibrium Ratio

b

dimensionless

Equilibrium-Ratio Exponent

Output definitions

K

dimensionless

Equilibrium Vaporization Ratio

K_a

dimensionless

Heptane Equilibrium Ratio

K_b

dimensionless

Ethane Equilibrium Ratio

b

dimensionless

Equilibrium-Ratio Exponent

Source and record status

Source metadata identifies the relationship implemented by the calculator. Check the cited edition, unit basis, and scope against the engineering case before operational use.

reviewed

Gas Conditioning and Processing, Campbell, J. M. (1992)

John M. Campbell. 1992. Gas Conditioning and Processing, Campbell Petroleum Series, Vol. 3, Page 3-1.

Open source reference