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弹道学报  2015 

破碎发射药等效形状特征量的确定方法

Keywords: 发射药,破碎,形状特征量,密闭爆发器

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Abstract:

为了解决破碎发射药无法通过几何方法直接计算形状特征量的难题,基于起始动态活度比理论,利用全局连续分段最小二乘曲线拟合方法,建立了一种确定破碎发射药等效形状特征量的方法。通过发射装药动态挤压破碎试验得到了不同破碎程度的发射药,并进行了密闭爆发器试验。利用建立的方法计算了破碎发射药的等效形状特征量,计算结果与试验结果最大相对误差仅为1.81%,说明该方法合理可行,为研究发射药破碎情况提供了一种有效的方法。

References

[1]  芮筱亭,?来峰,王国平,等.弹药发射安全性导论[M].北京:国防工业出版社,2009.
[2]  RUI Xiao-ting,YUN Lai-feng,WANG Guo-ping,et al.Direction to launch safety of ammunition[M].Beijing:National Defense Industry Press,2009.(in Chinese)
[3]  杨均匀,袁亚雄,张小兵.发射药破碎对火炮射击安全性影响的研究综述[J].弹道学报,1999,11(4):92-95.
[4]  YANG Jun-yun,YUAN Ya-xiong,ZHANG Xiao-bing.Research survey of the effect of GRA in fracture on the fire safety in solid propellant gun[J].Journal of Ballistics,1999,11(4):92-95.(in Chinese)
[5]  HORST A W,MAY I W,CLARKE E V.The missing link between pressure waves and breechblows,AD-A058 354/2GA[R].1978.
[6]  KELLER G E,HORST A W.Effects of propellant grain fracture on the interior ballistics of guns,BRL-MR-3766[R].1989.
[7]  LIEB R J,ROCCHIO J J.The effect of grain fracture on the interior ballistic performance of gun propellant[C]//Proceedings of the 8th International Symposium on Ballistics.Orlands:IBC,1984.
[8]  杨均匀.高膛压火炮发射安全性实验研究及数值模拟[D].南京:南京理工大学,1997.
[9]  YANG Jun-yun.Experimental and numerical study on launch safety in high pressure gun[D].Nanjing:Nanjing University of Science and Technology,1997.(in Chinese)
[10]  张小兵.高膛压火炮异常压力实验研究及数值模拟[D].南京:南京理工大学,1995.
[11]  ZHANG Xiao-bing.Experimental and numerical study on abnormal pressure in high pressure gun[D].Nanjing:Nanjing University of Science and Technology,1995.(in Chinese)
[12]  翁春生,金志明,袁亚雄,等.火药破碎对压力异常影响的数值模拟[J].弹道学报,1996,8(4):13-18.
[13]  WENG Chun-sheng,JIN Zhi-ming,YUAN Ya-xiong,et al.Numerical studies on the influence of grain fracture on abnormal pressure in guns[J].Journal of Ballistics,1996,8(4):13-18.(in Chinese)
[14]  侯超钧,曾艳姗,吴东庆,等.全局连续的分段最小二乘曲线拟合方法[J].重庆师范大学学报,2011,28(6):44-48.
[15]  HOU Chao-jun,ZENG Yan-shan,WU Dong-qing,et al.Global continuous curve fitting method of piecewise least square fitting with global continuity[J].Journal of Chongqing Normal University,2011,28(6):44-48.(in Chinese)

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