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Article · RiuNet · January 1, 2018

THE ANALYSIS OF HEAT AND MASS PROPERTIES OF THE FIRE EXTINGUISHING POWDER IN EFFECTIVENESS CRITERIA

Bayan Sapargaliyeva, Aigul Naukenova, Bakhyt N. Alipova, Javier Rodrigo-Ilarri, Sh. K. Shapalov

Bakhyt Alipova
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Abstract

[EN] The given research presents the classification of fire extinguishing and explosion suppression compositions. The effect on the combustion reaction is possible with the help of physical and chemical methods of gas mixture components concentration reducing, cooling the combustion zone and slowing down of chain reactions with the help of a phlegmatizing or inhibiting substances, of which the most universal and perspective are powder materials. In view of the high toxicity and environmental hazard of inhibitors (halides), the most promising search and development of effective powder compositions based on chlorides and substances with pronounced endothermic properties (easy-boiling, easy-decomposing, easy-melting) causing a sharp cooling of the combustion zone. The general laws of the effectiveness of extinguishing powders from their composition was considered in the scope of literature. There are proposed only some unsystematic series of dependence of the studied mineral compounds. Therefore, a necessary condition for solving the problems of developing effective flame arresters is to find common indicators and properties of substances that can become criteria for their phlegmatizing ability.

Fire dynamics and safety researchCombustion and Detonation ProcessesEngineering and Material Science Researchfire extinguishing powdercalorific valueflame arresters

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