Article | REF: BE8312 V1

Energetics of combustion - Technical characteristics

Author: André LALLEMAND

Publication date: July 10, 2013, Review date: January 4, 2020

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2. Calorific values

2.1 Definitions

The calorific value (noted PC) is a variant of the notion of heat of combustion [BE 8 311]. It is defined as follows:

The calorific value of a fuel is the quantity of heat released by the complete combustion of a given quantity of any fuel taken, as its oxidant, at 0°C, the products of combustion themselves being returned to the initial conditions of temperature and pressure or volume.

The reference fuel quantity is :

  • 1 kg for solids and liquids ;

  • 1 Nm 3 for gases.

Calorific values can either be determined experimentally,...

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