ABSTRACT

Whereasacondensedhighexplosiveundergoesadetonationreaction,when agas-airmixtureexplodestheprocessisgenerallyoneofveryrapidburning ordeflagration.Thespeedwithwhichaflamefrontpropagatesthrougha gas-airorinflammablevapour-airmixtureduringanexplosiondeterrnll1es therateatwhichburntgasesaregenerated.Asanaidtoidentifyingthe regionsofrelevanceinsuchaneventconsiderFigure4.1whichdistinguishes betweenastationarypre-mixedflamesuchasmightbedevelopedinagas burningdeviceandapropagatingorexplosionflamesuchasmightbe formedbytheaccidentalignitionofagas-airmixture.