clear; clc; // Stoichiometry // Chapter 7 // Combustion // Example 7.9 // Page 465 printf("Example 7.9, Page 465 \n \n"); // solution // using mean heat capacity data Table 7.21 // basis 100 kmol of dry flue gas H7 = 1.0875*100*30.31*(423.15-298.15) H71 = 3633.654*(423.15-298.15) fi7 = H71*3900*.7671/162.2 // kJ/h fi1 = 3.9*1000*26170 // kJ/h // performing heat balance Hsteamgen = 23546.07 eff = Hsteamgen*100/fi1 // overall efficiency rate printf("Overall efficiency rate = "+string(eff)+" percent.")