clear; clc; // Example: 7.7 // Page: 274 printf("Example: 7.7 - Page: 274\n\n"); // Solution //*****Data******// T_steam1 = 50;// [OC] T_steam2 = 30;// [OC] msteam_dot = 10;// [kg/min] T_water1 = 15;// [OC] T_water2 = 25;// [OC] //***************// // Solution (a) // From the Stem Table: H1 = 2645.9;// [kJ/kg, At 50 OC] H2 = 768.2;// [kJ/kg, At 30 OC] H3 = 62.982;// [kJ/kg, At 15 OC] H4 = 104.83;// [kJ/kg, At 25 OC] // The mass & Energy balance of the above flow gives: mwater_dot = msteam_dot*(H1 - H2)/(H4 - H3);// [kg/min] printf("The mass flow rate of water is %.2f kg/min\n",mwater_dot); // Solution (b) Qdot = mwater_dot*(H4 - H3);// [kJ/min] printf("The rate of heat transfer is %.2f kJ/min",Qdot);