comb Combustion calculations per kg of fuel by G.Subhash ReddyFuelRice HuskGross Calorific Value (GCV)2000C40H8S0.19O40N0.49M9.32ash2Total100Unburnt Carbon-%of fuel1Ambient Temperature40Excess air1.4Boiler exit temperature160Radiation, ash and other losses2.5Altitude - m100Humidity.fraction0.6Moisture fraction in air0.028794596Theoretical Oxygen required1.2784Theoretical air required5.5222462203Actual air required7.9603600601Flue gas produced8.9303600601Air moisture0.2292153516Combustion moisture0.7152Fuel moisture0.0932Total moisture1.0376153516CO21.4313SO20.0038N25.9462847084O20.51136Total gas - check8.9303600601O2 % by weight5.7260849121CO2 % by weight16.0273492936H2O % by weight11.6189643493Dry gas loss %11.3655523801Loss due to moisture in air %0.6876460549Loss due to hydrogen moisture %22.8864Loss due to moisture in flue gas %2.9824Loss due to unburnt carbon %3.9Total loss %44.3219984351Air density at 0 C temp1.2823869744Flue gas density at 0 C temp1.2375360438CO2 % by volume0.1011555544Moisture % by Volume0.1788445987

&CCOMBUSTION CALCULATIONS