The computing formula of the self-heating and combustion heat release source in the coupled models has been set up.

给出了定量确定耦合模型中自热自燃源项的计算式；

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Firstly, combined with McCaffreys empirical formulas for plume entrainment, the calculation method of heat release rate of the fire source is discussed;

首先，结合羽流卷吸经验公式，讨论了火源释热速率的计算方法；

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It is necessary to include as a heat source in the thermodynamic energy equation a term which represents the time rate of release of the latent heat of condensation of water vapor.

有必要把代表水汽凝结潜热释放的随时间变化率的一项作为热源项包括进热力学能量方程中。

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