1.2BasicformsofchemicalreactionofexplosivesCBASlowExplosionCombustionorDecompoorDetonationsitionDeflagrationdetonationAnexplosionwhosereactionratereachesthemaximumstationary detonationvelocity,which could be thousands m/s2016/11/9
2016/11/9 7 1.2 Basic forms of chemical reaction of explosives An explosion whose reaction rate reaches the maximum stationary detonation velocity, which could be thousands m/s. Slow Decomposition A Explosion or Detonation C Combustion or Deflagration B detonation
2016/11/9第一章炸药爆炸基本理论
2016/11/9 第一章 炸药爆炸基本理论 8
1.3the oxygen balance and thereactionproductionOxygenbalanceThe oxygen balance means thedifference between the oxygen content inthe explosive and that requierd oxygen,which can oxidize all the combustibleelements.The oxygen balance is usually expressed bythe mass (gram) or the mass fraction of theoxygen difference (redundance or lack)in2016/11/9赛本理让pergramexplosive
2016/11/9 第一章 炸药爆炸基本理论 9 1.3 the oxygen balance and the reaction production The oxygen balance means the difference between the oxygen content in the explosive and that requierd oxygen, which can oxidize all the combustible elements. The oxygen balance is usually expressed by the mass (gram) or the mass fraction of the oxygen difference (redundance or lack) in per gram explosive. Oxygen balance
Calculation of oxygen balanceThegeneralformulaofexplosivecanbeexpressedas:CaHbNcOdso, the oxygen balance can be calculated byObd -(2a +b /2)|×16×100%MwhereObThe oxygen balance of explosive;MThe molarmass ofexplosive (g/mol);16The molar mass of oxygen (g/mol)102016/11/9
2016/11/9 10 Calculation of oxygen balance The general formula of explosive can be expressed as： CaHbNcOd so, the oxygen balance can be calculated by： 1 Q d a b b (2 / 2) 16 100% M Qb M where The oxygen balance of explosive； The molar mass of explosive（g/mol）； 16 The molar mass of oxygen （g/mol）
Calculationof oxygen balanceof the explosive mixturethe calculaitonformulad -(2a + b /2)l×16×100%O1000orO,-Em,OiwhereQbimare the mass fraction and the oxygenbalanceof conponenti, respectively112016/11/9
2016/11/9 11 Calculation of oxygen balance of the explosive mixture the calculaiton formula： 1 (2 / 2) 16 100% 1000 Q d a b b or Q m Q b i bi mi Qbi where 、 are the mass fraction and the oxygen balance of conponent i, respectively