膨胀波火炮后喷装置流场性能分析  

Analysis of Flow Field Performance Back Blast Mechanism for Rarefaction Wave Gun

作　　者：王颖泽[1] 张小兵[1] 袁亚雄[1] 

机构地区：[1]南京理工大学动力工程学院,江苏南京210094

出　　处：《兵工学报》2009年第5期525-530,共6页Acta Armamentarii

基　　金：教育部新世纪优秀人才支持计划基金(NCET040509);高校博士学科点基金(20060288019);江苏省自然科学基金(BK2007531)

摘　　要：根据膨胀波火炮的工作原理,采用"隔离体"方法分别对系统的后喷装置和发射装置进行单独建模。利用Fluent软件的自定义功能将内弹道程序嵌入到Fluent中进行耦合计算,准确地描述了计及后喷装置动态打开过程的内弹道过程。通过对不同类型的后喷装置流场的计算分析和性能对比,为膨胀波火炮后喷装置结构设计和性能优化提供了理论参考。Base on the work theory of rarefaction wave gun, the models for back blast mechanism and launcher were separately established by segregate body method, and the interior ballistic circle includ- ing the dynamic venting process of venting mechanics was accurately described by nesting the interior ballistic program in the Fluent software with its user definition function. By the calculation and contrast of different type back blast mechanism fluid fields, theoretical reference was provided for mechanic design and behavioral optimization of rarefaction wave gun.

关 键 词：流体力学 膨胀波火炮 后喷装置 流场计算 UDF 

分 类 号：TJ32[兵器科学与技术—火炮、自动武器与弹药工程] TK243.3[动力工程及工程热物理—动力机械及工程]