using "Heat_exchangers/HeatExchangerSimplified.mso";

FlowSheet NTU_Method

PARAMETERS

PP 	  as CalcObject (Brief="Physical Properties",File="vrpp");
NComp as Integer;
	

	
DEVICES
exchanger 	as HeatExchanger_NTU;
streamhot 	as streamTP;
streamcold  as streamTP;

SET

PP.LiquidModel     	= "PR";
PP.VapourModel   	= "PR";
PP.Components 	= ["water","n-butane", "benzene", "n-octane" ];
NComp   					= PP.NumberOfComponents;
exchanger.HE.FlowDirection    = "Cocurrent";

CONNECTIONS

streamhot 		to exchanger.Inlet.Hot;
streamcold 		to exchanger.Inlet.Cold;
	
SPECIFY

exchanger.Details.U 				= 210*"W/(m^2*K)";
exchanger.PressureDrop.Hot.Pdrop 	= 0.1*"kPa";
exchanger.PressureDrop.Cold.Pdrop   = 0.2*"kPa";
streamhot.F 		= 20    * "kmol/h";
streamhot.T 		= 450     * "K";
streamhot.P 		= 120    * "kPa";
streamhot.z 		= [1,0,0,0];
streamcold.F 		= 10 * "kmol/h";
streamcold.P 		= 120 * "kPa";
streamcold.T 		= 300 * "K";	
streamcold.z 		= [0,0.5, 0.1, 0.4];
exchanger.Outlet.Cold.T = 340*"K";
	
OPTIONS
 mode 	= "steady";
 end