Explosion 14
Explosion 14 : The phenomenon accompanying the rapid expansion of a gaseous system followed by a rapid rise in pressure. The main effects are the development of a shock or blast wave and a loud report. An explosion may be produced by the rapid release of hot gases from a chemical reaction (high explosives and detonators), the rapid generation of very high temperatures (atomic and thermonuclear bombs), or the rapid release of gases at high pressures (rupture of pressure vessels, e. g. boilers, high pressure reactors, etc. , or combinations of these. The majority of chemical explosions are results of oxidation reactions. These require intimate contact between the combustible and oxygen for an explosion to occur. This is achieved by having the oxygen in the molecule itself, or in another compound intimately mixed with the compound; dust and oil mist explosions are examples of the latter group, air supplying the oxygen
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