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clc();
clear;
// To calculate the terminal temperature of oil and water
To1=160; // inlet temperature of oil in degF
Cpo=0.5; // Specific heat capacity in Btu/lb-degf
Tw1=60; // Inlet temperature of water in degF
mo=1000; // Mass flow rate of oil in lb/hr
mw=2500; // Mass flow rate of water in lb/hr
Cpw=1; // Heat capacity of water in Btu/hr
X=mo*Cpo/(mw*Cpw); // Ratio of flow rates
UA=1.15*mo*Cpo;
B=UA/mo*Cpo;
// from the graph, we can locate the point of A and B And corresponding effectiveness ratio
E=0.86; // Effectiveness ratio
To2=To1-E*(To1-Tw1); // Outlet temperature of oil in degF
printf("The outlet temperature of oil is %d degF \n",To2);
q=mo*Cpo*(To1-To2); // Heat transferred in Btu/hr
Tw2=Tw1+(q/(mw*Cpw)); // Outlet temperature of oil in degF
printf(" The outlet tempearture of water is %.1f degF",Tw2);
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