yaeos__equilibria_boundaries_pure_saturation Module

Uses

- yaeos__models_ar
- yaeos__constants
- yaeos__math_linalg
- yaeos__math_continuation
- linear_interpolation_module
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Nodes of different colours represent the following:

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Derived Types

type, public :: PurePsat

Components

Type	Visibility	Attributes		Name		Initial
real(kind=pr),	public,	allocatable	::	P(:)			Pressure [Pa]
real(kind=pr),	public,	allocatable	::	T(:)			Temperature [K]
real(kind=pr),	public,	allocatable	::	Vx(:)			Molar volume [L/mol] in the liquid phase
real(kind=pr),	public,	allocatable	::	Vy(:)			Molar volume [L/mol] in the vapor phase
type(linear_interp_1d),	private		::	interpolator_get_P
type(linear_interp_1d),	private		::	interpolator_get_T

Type-Bound Procedures

procedure, public :: get_P
procedure, public :: get_T

Functions

public function get_P(pt, T) result(P)

Get the saturation pressure for a given temperature.

Arguments

Type	Intent	Optional	Attributes		Name
class(PurePsat),	intent(inout)			::	pt
real(kind=pr),	intent(in)			::	T

Return Value real(kind=pr)

public function get_T(pt, P) result(T)

Get the saturation temperature for a given pressure.

Arguments

Type	Intent	Optional	Attributes		Name
class(PurePsat),	intent(inout)			::	pt
real(kind=pr),	intent(in)			::	P

Return Value real(kind=pr)

public function pure_saturation_line(model, component, minP, minT) result(pt)

Saturation pressures and temperatures for a pure component.

Arguments

Type	Intent	Optional	Attributes		Name
class(ArModel),	intent(in)			::	model	Thermodyanmic model
integer,	intent(in)			::	component	Component index to calculate the line
real(kind=pr),	intent(in)			::	minP	Minimum pressure [bar]
real(kind=pr),	intent(in)			::	minT	Minimum temperature [K]

Return Value type(PurePsat)

Subroutines

public subroutine solve_point(model, ncomp, nc, X, ns, S, F, dF, dFdS, its)

Solve a saturation point for a pure component.

Arguments

Type	Intent	Optional	Attributes		Name
class(ArModel),	intent(in)			::	model	Thermodynamic model
integer,	intent(in)			::	ncomp	Component index
integer,	intent(in)			::	nc	Total number of components
real(kind=pr),	intent(inout)			::	X(4)	Variables $[ln V_z, lnV_y, lnP, lnT]$
integer,	intent(in)			::	ns	Variable index to solve. If the
real(kind=pr),	intent(in)			::	S	Variable value specified to solve
real(kind=pr),	intent(out)			::	F(4)	Function
real(kind=pr),	intent(out)			::	dF(4,4)	Jacobian
real(kind=pr),	intent(out)			::	dFdS(4)	Derivative of the function with respect to S
integer,	intent(out)			::	its	Number of iterations