Dulong Equation


HHV = higher heating value in Btu/lb

Percentages for each element must be converted to decimals for use in these equations (i.e., 35% must be converted to 0.35). Using the values in Table 10.3.4 in the three equations yields the results shown in Table 10.4.4.

These values are close to the overall values in Table 10.3.5, which are based on laboratory testing of the same samples on which the ultimate composition in Table 10.3.4 is based. The laboratory-based values are closer to the average results for the three equations than to the results for any individual equation.

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