HEAT OF COMBUSTION OF PETROLEUM PRODUCTS NET HEAT OF COMBUSTION OF AVIATION FUELS: ASTM D1405
GENERAL
Heat of combustion is an important property particularly for the petroleum products that are used for burning, heating, or similar usage. A knowledge of this value is essential when considering the thermal efficiency of equipment for producing either power or heat. Heat of combustion per unit of mass fuel is a critical property of fuels intended for use in weight-limited crafts such as airplanes, surface effect vehicles, and hydrofoils. The range of such craft between refueling is a direct function of the heat of combustion and density of the fuel. There are several test methods to achieve this purpose, some of which are purely empirical in nature based only on calculations from other test data without actually physically measuring the heat of combustion.
This test method is purely empirical and applicable only to liquid hydrocarbon fuels derived from normal refining processes from crude oil. It is not applicable to pure hydrocarbons. It is not intended as a substitute for experimental measurements of heat of combustion. The calculations are based on the correlations between the net heat of combustion and the product of aniline point and API gravity. Correction for the sulfur content of the fuel must be carried out. This test method has a repeatability of 0.012 MJ/kg and a reproducibility of 0.035 MJ/kg.
No bias statement is made.
