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变燃速发射药膛内燃烧与内弹道过程研究 预览 被引量:13

Research on the Actual Combustion and Interior Ballistics Process of the Variable-burning Rate Propellant in Cannon
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摘要 为了更好地描述与研究变燃速发射药膛内实际燃烧与内弹道过程,对30 mm火炮在两种装药量下应用内弹道势平衡理论求其势平衡点的位置及该点处的各参数。以坡膛处实测压力—时间曲线为标准求变燃速发射药膛内燃气的实际燃烧生成函数,用膛内实际燃气生成函数代替几何燃烧定律假设下的燃气生成函数,求解以势平衡态作为标准态的内弹道相似方程,并转化为弹道解。结果表明:应用内弹道势平衡理论描述和分析变燃速发射药膛内燃烧规律是可行的,拓展了其适用范围;通过对实际燃气生成函数的分析可以定性和定量地判断与研究变燃速发射药的燃烧性能;以变燃速发射药膛内实际燃气生成函数为基础求出弹道解具有准确性和可操作性。 A potential equilibrium theory was used to get the location of potential equilibrium point and its parameters in order to study the actual combustion and interior ballistics process of the variable-burning rate propellant in cannon.The actual burning gas formation function of the variable-burning rate propellant with different load was established based on the measured p-t curves of the chamber throat in 30mm cannon.Then the function,which was substituted for a burning gas formation function assumed by the geometric burning law,was used to solve the approximate equations of interior ballistics based on the point of the potential equilibrium theory to get the results of interior ballistics.The results show that the potential equilibrium theory can be used to describe the combustion rule of the variable-burning rate propellant,and expands its applicability;the combustion properties could be studied qualitatively and quantitatively by analyzing the actual burning gas formation function of variable-burning rate propellant;and the interior ballistics equations can be solved accurately using the actual burning gas function of the variable-burning rate propellant.
作者 刘林林 马忠亮 萧忠良 LIU Lin-lin,MA Zhong-liang,XIAO Zhong-liang(School of Chemical Engineering and Environment,North University of China,Taiyuan 030051,Shanxi,China)
出处 《兵工学报》 EI CAS CSCD 北大核心 2010年第4期 409-413,共5页 Acta Armamentarii
基金 火炸药青年创新基金项目(40406010301)
关键词 热学 变燃速发射药 势平衡理论 燃烧 内弹道 thermology variable-burning rate propellant potential equilibrium theory combustion interior ballistics
作者简介 刘林林(1984-),男,硕士研究生。E—mail:viola7788521@yahoo.com.cn 马忠亮(1967-),男,教授,博士研究生导师。E-mail:ma19960512@sohu.com
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