yaeos__equilibria_binaries Module

Module with routines particular to binary mixtures.

Uses

Derived Types

type, public :: BinaryThreePhase

Components

Type	Visibility	Attributes		Name		Initial
real(kind=pr),	public,	allocatable	::	P(:)
real(kind=pr),	public,	allocatable	::	T(:)
real(kind=pr),	public,	allocatable	::	Vw(:)
real(kind=pr),	public,	allocatable	::	Vx(:)
real(kind=pr),	public,	allocatable	::	Vy(:)
real(kind=pr),	public,	allocatable	::	w1(:)
real(kind=pr),	public,	allocatable	::	x1(:)
real(kind=pr),	public,	allocatable	::	y1(:)

Functions

public function binary_llv_from_cep(model, cep) result(llv)

Arguments

Type	Intent	Optional	Attributes		Name
class(ArModel),	intent(in)			::	model
type(EquilibriumState),	intent(in)			::	cep

Return Value type(BinaryThreePhase)

Subroutines

public subroutine find_llcl(model, z0, zi, P, a, V, T)

Find an initial guess for the critical L-L line of a binary mixture.

Arguments

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]

public subroutine three_phase_line_F(model, Xvars, ns, S, F, dF)

Arguments

Type	Intent	Optional	Attributes		Name
class(ArModel),	intent(in)			::	model
real(kind=pr),	intent(in)			::	Xvars(:)	Input vector
integer,	intent(in)			::	ns	Specified variable index
real(kind=pr),	intent(in)			::	S	Specified variable value
real(kind=pr),	intent(out)			::	F(:)	Function vector
real(kind=pr),	intent(out)			::	dF(:,:)	Jacobian

public subroutine three_phase_line_F_solve(model, X, ns, S, F, dF, iters)

Arguments

Type	Intent	Optional	Attributes		Name
class(ArModel),	intent(in)			::	model
real(kind=pr),	intent(inout)			::	X(:)	Input/output vector
integer,	intent(in)			::	ns	Specified variable index
real(kind=pr),	intent(in)			::	S	Specified variable value
real(kind=pr),	intent(out)			::	F(:)	Function vector
real(kind=pr),	intent(out)			::	dF(:,:)	Jacobian
integer,	intent(out),	optional		::	iters	Number of iterations performed