A new ignition mathematical model of heterogeneous ignition for translucent, capillary-porous, flat materials is proposed under static and dynamic conditions of heating by thermal radiation. A new ignition criterion is justified. Adequacy of the model and the ignition criterion to experimental data is established. Applicability of the models is shown to determine the ignition characteristics of the composite fabrics from cotton, wool and polyester fibers.
природные пожары, теория зажигания, критические условия, модель зажигания прогнозирование, wildfires, thermal theory, critical conditions, model of ignition, prediction
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