Fuel combustion (coal), energy, heat, heat it up coming out called the heating value or?Calorific value considering the two styles have HHV (higher heating value) g and LHV (lower heating value) HV measurement of coal by burning coal, for example, with oxygen in the container closed when burning coal to heat is transferred to the water that surrounds the water temperature of a container it higher because heat transfer is recorded and calculated values in HV for the value price HHV, including the quantity of the enthalpy of vaporization in the water while heating value LHV value does not include the relationship.
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