Programming for Chemical Engineers Using C, C++, and MATLAB®

pres = pres * 6894.757;

temp = sat_p2t(pres);

}

else

{

printf(“\nEnter temperature in deg F: “);

scanf(“%lf”, &temp);

temp=((temp-32)/1.8)+273.15;

}

hl = enthalpy_l(temp);

hl = hl/(1055.056*2.2046226);

hv = enthalpy_v(temp);

hv =hv/(1055.056*2.2046226);

temp = ((temp-273.15)*1.8)+32;

printf(“\n”);

if(opt==’p’ || opt ==’P’)

printf(“Saturation temperature is %lf deg F\

n”,temp);

printf(“Enthalpy (liquid) is %lf Btu/lb\n”,hl);

printf(“Enthalpy (vapor) is %lf Btu/lb\n”,hv);

printf(“\nTry again? (Y/N)\n”);

res=getch();

}while(res == ‘y’ || res == ‘Y’);

return 0;

}

FIGURE 4.8: Output of Program Listing 4.3.

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