//Chapter-1, Illustration 4, Page 17 //Title: Fuels and Combustion //============================================================================= clc clear //INPUT DATA C=0.84;//Percentage composition of Carbon H=0.09;//Percentage composition of Hydrogen CO2=0.0875;//Volumetric composition of CO2 CO=0.0225;//Volumetric composition of CO O2=0.08;//Volumetric composition of Oxygen N2=0.81;//Volumetric composition of Nitrogen M1=44;//Molecular mass of CO2 M2=28;//Molecular mass of CO M3=32;//Molecular mass of O2 M4=28;//Molecular mass of N2 //CALCULATIONS c1=CO2*M1;//Proportional mass of CO2 c2=CO*M2;//Proportional mass of CO c3=O2*M3;//Proportional mass of O2 c4=N2*M4;//Proportional mass of N2 c=c1+c2+c3+c4;//Total proportional mass of constituents m1=c1/c;//Mass of CO2 per kg of flue gas in kg m2=c2/c;//Mass of CO per kg of flue gas in kg m3=c3/c;//Mass of O2 per kg of flue gas in kg m4=c4/c;//Mass of N2 per kg of flue gas in kg d1=m1*100;//Mass analysis of CO2 d2=m2*100;//Mass analysis of CO d3=m3*100;//Mass analysis of O2 d4=m4*100;//Mass analysis of N2 m=((3*m1)/11)+((3*m2)/7);//Mass of carbon in kg md=C/m;//Mass of dry flue gas in kg //OUTPUT mprintf('Mass of dry flue gases per kg of coal burnt is %3.1f kg',md) //==============================END OF PROGRAM=================================