find_llclFind an initial guess for the critical L-L line of a binary mixture.
[1] M. Cismondi, M.L. Michelsen, Global phase equilibrium calculations: Critical lines, critical end points and liquid–liquid–vapour equilibrium in binary mixtures, The Journal of Supercritical Fluids 39 (2007) 287–295. https://doi.org/10.1016/j.supflu.2006.03.011.
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| class(ArModel), | intent(in) | :: | model | |||
| real(kind=pr), | intent(in) | :: | z0(2) |
Mole fractions of original fluid |
||
| real(kind=pr), | intent(in) | :: | zi(2) |
Mole fractions of new fluid |
||
| real(kind=pr), | intent(in) | :: | P |
Pressure [bar] |
||
| real(kind=pr), | intent(out) | :: | a |
Mole fraction of new fluid |
||
| real(kind=pr), | intent(out) | :: | V |
Volume [L/mol] |
||
| real(kind=pr), | intent(inout) | :: | T |
Temperature [K] |
| Type | Visibility | Attributes | Name | Initial | |||
|---|---|---|---|---|---|---|---|
| real(kind=pr), | private | :: | as(50) | ||||
| real(kind=pr), | private | :: | dlnphidn(2,2) | ||||
| integer, | private | :: | i | ||||
| real(kind=pr), | private | :: | lambdas(50) | ||||
| real(kind=pr), | private | :: | lnphi(2) | ||||
| integer, | private | :: | tries | ||||
| real(kind=pr), | private | :: | z(2) |