### calorific value/calorific value of coal

CALORIFIC
VALUE/ calorific value of coal

GROSS AND NET CALORIFIC VALUE(GCV and NCV):-GROSS CALORIFIC VALUE(GCV):-It is the total amount of heat generateed when a unit quantity of fuel is completely burn in oxygen and the product of cumbustion are cooled down to the room temperature.

calorific value of coal It is alseo called as “

NET CALORIFIC VALUE (NCV):-It is defined as the net heat produced when a unit quantity of fuel is completely burnt & the product of combustion are allowed to escape. It is also called as “lower

*calorific value**GCV***It is defined as the total amount of***NCV**librated when a unit mass of a***heat***is burnt completely. Solid/liquid : cal/g or kcal/kg Gaseous : cal/cm^3 or kcal/m^3 CALORIE:- It is defined as the total amount of heat required to raise the temperature of 1grams of water through 1 digree centigrate.***fuel**GROSS AND NET CALORIFIC VALUE(GCV and NCV):-GROSS CALORIFIC VALUE(GCV):-It is the total amount of heat generateed when a unit quantity of fuel is completely burn in oxygen and the product of cumbustion are cooled down to the room temperature.

calorific value of coal It is alseo called as “

**” (HCV) ****higher calrorific value***is determaine by***HCV**bomb calorimeter*.NET CALORIFIC VALUE (NCV):-It is defined as the net heat produced when a unit quantity of fuel is completely burnt & the product of combustion are allowed to escape. It is also called as “lower

**calorific value**”(LCV) LCV=HCV – Latent heat of water vapour LCV= HCV- Weight of hydogen × 9×la…