#*-------------------------------------------------------------------
* EMSO Model Library (EML) Copyright (C) 2004 - 2007 ALSOC.
*
* This LIBRARY is free software; you can distribute it and/or modify
* it under the therms of the ALSOC FREE LICENSE as available at
* http://www.enq.ufrgs.br/alsoc.
*
* EMSO Copyright (C) 2004 - 2007 ALSOC, original code
* from http://www.rps.eng.br Copyright (C) 2002-2004.
* All rights reserved.
*
* EMSO is distributed under the therms of the ALSOC LICENSE as
* available at http://www.enq.ufrgs.br/alsoc.
*
*----------------------------------------------------------------------
* Author: Maurício Carvalho Maciel
* $Id: sepComp.mso 304 2007-07-04 23:01:40Z arge $
*--------------------------------------------------------------------*#

using "streams";

Model sepComp_n
	ATTRIBUTES
	Pallete 	= true;
	Icon 		= "icon/splitter_n"; 
	Brief 		= "Model of a separator of components";
	Info 		= "
	Assumptions:
	 * thermodynamics equilibrium
	 * adiabatic
	
	Specify:
		* the inlet stream
		* (NComp - 1) molar fractions to (Noutlet - 1) outlet streams
		* (Noutlet - 1) frac (fraction of split of the outlet streams):
				
					frac(i) = (Mole Flow of the outlet stream i / 
									Mole Flow of the inlet stream)
													where i = 1, 2,...,Noutlet
			or

		  (Noutlet - 1) recovery (Recovery of the component specified in the outlet stream i):

					recovery(i) = (Mole Flow of the component specified in the Outlet stream i/ 
										Mole Flow of the component specified in the inlet stream)
													where i = 1, 2,...,Noutlet
	";
	
PARAMETERS

outer PP   			as Plugin 	(Brief = "External Physical Properties", Type="PP");
outer	NComp 		as Integer 	(Brief = "Number of chemical components", Lower = 1);
		NOutlet 		as Integer 	(Brief = "Number of Outlet Streams", Lower = 1);
		mainComp 	as Integer 	(Brief = "Component specified", Default = 1, Lower = 1);
	
VARIABLES

in		Inlet   				as stream;
out 	Outlet(NOutlet) 	as stream;

	frac(NOutlet) 			as fraction (Brief = "Distribution of the Outlet streams");
	recovery(NOutlet) 	as fraction (Brief = "Recovery of the component specified");

EQUATIONS
	
"Flow"
	sum(Outlet.F) = Inlet.F;
	
	
for i in [1:NOutlet-1]

"Mol fraction normalisation"
	sum(Outlet(i).z) = 1;

end
	
	
for i in [1:NComp]
	
"Composition"
	sum(Outlet.F*Outlet.z(i)) = Inlet.F*Inlet.z(i);
	
end	
	
	
for i in [1:NOutlet]
	
"Flow"
	Outlet(i).F = Inlet.F*frac(i);
	
"Recovery"
	recovery(i)*Inlet.z(mainComp) = frac(i)*Outlet(i).z(mainComp);
	
"Pressure"
	Outlet(i).P = Inlet.P;
	
"Enthalpy"
	Outlet(i).h = (1-Outlet(i).v)*PP.LiquidEnthalpy(Outlet(i).T, Outlet(i).P, Outlet(i).z) + 
				Outlet(i).v*PP.VapourEnthalpy(Outlet(i).T, Outlet(i).P, Outlet(i).z);
	
"Temperature"	
	Outlet(i).T = Inlet.T;

"Vapourization Fraction"
	Outlet(i).v = PP.VapourFraction(Outlet(i).T, Outlet(i).P, Outlet(i).z);
	
end

end


Model sepComp
	ATTRIBUTES
	Pallete 	= true;
	Icon 		= "icon/splitter"; 
	Brief 		= "Model of a separator of components";
	Info 		= "
	Assumptions:
	 * thermodynamics equilibrium
	 * adiabatic
	
	Specify:
		* the inlet stream
		* (NComp - 1) molar fractions to 1 of the outlet streams
		* the fraction of split of the outlet streams
	";

PARAMETERS

outer PP   			as Plugin 	(Brief = "External Physical Properties", Type="PP");
outer	NComp 		as Integer 	(Brief = "Number of chemical components", Lower = 1); 
		mainComp 	as Integer 	(Brief = "Component specified", Default = 1, Lower = 1);
	
VARIABLES

in		Inlet   	as stream;
out 	Outlet1 	as stream;
out 	Outlet2 	as stream;
	
	frac 			as fraction (Brief = "Fraction to Outlet 1");
	recovery 	as fraction (Brief = "Recovery of the component specified");

	EQUATIONS
	
"Flow"
	Outlet1.F = Inlet.F * frac;
	Outlet1.F + Outlet2.F = Inlet.F;
	
	recovery*Inlet.z(mainComp) = frac*Outlet1.z(mainComp);
	
	sum(Outlet1.z) = 1;
	
for i in [1:NComp]
	
 "Composition"
	Outlet1.F*Outlet1.z(i) + Outlet2.F*Outlet2.z(i) = Inlet.F*Inlet.z(i);

end
	
"Pressure"
	Outlet1.P = Inlet.P;
	Outlet2.P = Inlet.P;
	
"Enthalpy"
	Outlet1.h = (1-Outlet1.v)*PP.LiquidEnthalpy(Outlet1.T, Outlet1.P, Outlet1.z) + 
				Outlet1.v*PP.VapourEnthalpy(Outlet1.T, Outlet1.P, Outlet1.z);
	Outlet2.h = (1-Outlet2.v)*PP.LiquidEnthalpy(Outlet2.T, Outlet2.P, Outlet2.z) + 
				Outlet2.v*PP.VapourEnthalpy(Outlet2.T, Outlet2.P, Outlet2.z);
	
"Temperature"
	Outlet1.T = Inlet.T;
	Outlet2.T = Inlet.T;
	
"Vapourization Fraction"
	Outlet1.v = PP.VapourFraction(Outlet1.T, Outlet1.P, Outlet1.z);
	Outlet2.v = PP.VapourFraction(Outlet2.T, Outlet2.P, Outlet2.z);

end