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clc
clear
Ma=10000; //in kg/hr
P=7; //in bar
Tfw=40; //in C
Hfw=167.6; //in kJ/kg
H=2763.5; //in kJ/kg
Q=Ma*(H-Hfw)/60; //Heat per minute
SA=Q/2720; //Heating surface area required
printf('Heating surface area required: %3.1f m^2',SA);
printf('\n');
GA=SA/25;
printf('Grate area required: %3.1f m^2',GA);
printf('\n');
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