Abstract
The paper deals with the ignition of a heterogeneous cloud of a gas suspension of reacting particles by an external radiant flux. Depending on the parameters of the problem, the ignition and bulk inflammation regimes are distinguished. An increase in the external-flux intensity and dispersed-phase particle size favors transition of bulk inflammation to ignition. The inflammation coordinate is independent of the mass concentration of the dispersed phase. Allowance for heat radiation by particles leads to an insignificant shift of the inflammation coordinate inside the cloud and to an increase in the induction period of inflammation.
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