四川兵工学报
四川兵工學報
사천병공학보
SICHUAN ORDNANCE JOURNAL
2014年
2期
91-93
,共3页
烤爆温度%火工品%对流换热系数%药壳比%初始温度%装药密度
烤爆溫度%火工品%對流換熱繫數%藥殼比%初始溫度%裝藥密度
고폭온도%화공품%대류환열계수%약각비%초시온도%장약밀도
cook-off temperature%pyrotechnics%film coefficient%ratio of charge weight and shell weight%initial temperature%chare density
烤爆温度是钝感火工品热安全性的重要标志，采用Ansys有限元模型对某火工品子系统的烤爆温度进行了仿真分析，分别计算了对流换热系数、初始温度、装药密度及药壳比等的影响；计算结果表明，对流换热系数、药壳比越大，初始温度越高，火工品子系统的烤爆温度越低；装药密度对火工品子系统烤爆温度的影响不显著，可以忽略不计；以上结果与相关文献、试验结果基本一致。
烤爆溫度是鈍感火工品熱安全性的重要標誌，採用Ansys有限元模型對某火工品子繫統的烤爆溫度進行瞭倣真分析，分彆計算瞭對流換熱繫數、初始溫度、裝藥密度及藥殼比等的影響；計算結果錶明，對流換熱繫數、藥殼比越大，初始溫度越高，火工品子繫統的烤爆溫度越低；裝藥密度對火工品子繫統烤爆溫度的影響不顯著，可以忽略不計；以上結果與相關文獻、試驗結果基本一緻。
고폭온도시둔감화공품열안전성적중요표지，채용Ansys유한원모형대모화공품자계통적고폭온도진행료방진분석，분별계산료대류환열계수、초시온도、장약밀도급약각비등적영향；계산결과표명，대류환열계수、약각비월대，초시온도월고，화공품자계통적고폭온도월저；장약밀도대화공품자계통고폭온도적영향불현저，가이홀략불계；이상결과여상관문헌、시험결과기본일치。
Cook-off temperature is a symbol of pyrotechnic safety with temperature. The cook-off tempera-ture of certain pyrotechnic assembly was calculated with the Ansys finite element model in this paper. The effect of film coefficient,initial temperature,chare density and ratio of charge weight and shell weight was calculated. The results show that the cook-off temperature of the pyrotechnic assembly decreases as film coefficient,initial temperature and ratio of charge weight and shell weight increase,and the charge density has no efficient effect on the cook-off temperature,according with some papers and tests.
