谢兴博,钟明寿,宋歌,纪冲,吴建宇

• 1:解放军理工大学野战工程学院

摘要(Abstract)：

借助ANSYS/LS-DYNA程序,对线型聚能切割器在水下切割钢板的性能进行了数值模拟研究,并通过试验对数值模拟仿真结果进行了验证。通过数值模拟和试验对比,重点分析了水下聚能切割器空气内炸高和水外炸高对射流侵彻靶板的特性影响。数值模拟和试验结果表明:聚能槽内的水介质会阻碍射流的形成,严重影响切割性能,设置适量的空气内炸高并减小水外炸高,可以提供射流形成的空间,大幅提高射流的侵彻能力;空气内炸高越小,射流的形成越不充分,形成射流的速度和动能越小,侵彻能力越弱。

关键词(KeyWords)： 爆炸力学;聚能切割器;水下切割;聚能射流;侵彻

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金资助项目(51304218、51339006、51508569)

作者(Author): 谢兴博,钟明寿,宋歌,纪冲,吴建宇

参考文献(References)：

• [1]孙飞,龙源,纪冲,等.120 m超高塔架式钢结构烟囱定向爆破拆除[J].工程爆破,2016,22(2):65-69.[1]SUN Fei,LONG Yuan,JI Chong,et al.Demolition of a120 m high tower steel chimney by directional blasting[J].Engineering Blasting,2016,22(2):65-69.(in Chinese)
• [2]马海鹏.特大型钢结构建筑物爆炸切割拆除机理及应用研究[D].长沙:中南大学,2013.[2]MA Hai-peng.Study on demolition principle and application by explosion cutting for extralarge steel structure building[D].Changsha:Central South University,2013.(in Chinese)
• [3]易克,曲广建,李高锋,等.全钢结构体育馆聚能切割爆破拆除技术[J].工程爆破,2015,21(6):25-31.[3]YI Ke,QU Guang-jian,LI Gao-feng,et al.Cumulative cutting blasting technology of full steel structure of green island gymnasium[J].Engineering Blasting,2015,21(6):25-31.(in Chinese)
• [4]王田,周衍明,陈新,等.“南侠9”沉船水下解体爆破控制技术[J].爆破,2011,28(2):99-101.[4]WANG Tian,ZHOU Yan-ming,CHEN Xin,et al.“SouthVariantg”sunken underwater blasting disintegration control technology[J].Blasting,2011,28(2):99-101.(in Chinese)
• [5]王鑫,王喆,孟俊瑜,等.水下聚能爆破技术在平台拆除领域的研究和应用[J].中国造船,2015,56(S2):496-501.[5]WANG Xin,WANG Zhe,MENG Jun-yu,et al.Research and application of underwater shaped charge blasting technology for platform removal[J].Shipbuilding of China,2015,56(S2):496-501.(in Chinese)
• [6]程扬帆,刘蓉,马宏昊.新型水下爆破切割弹的工程应用及数值模拟研究[J].力学与实践,2012,34(6):27-31.[6]CHENG Yang-fan,LIU Rong,MA Hong-hao et al.Numerical simulation and engineering application of new type of underwater blasting cutter[J].Mechanics and Engineering,2012,34(6):27-31.(in Chinese)
• [7]温万治,恽寿榕,赵衡阳,等.聚能装药侵彻钢板全过程的数值模拟[J].爆炸与冲击,2001,21(2):126-130.[7]WEN Wan-zhi,YUN Shou-rong,ZHAO Hen-yang,et al.Numerical simulation for penetration of a steel slab by a shaped charge[J].Explosion and Shock Waves,2001,21(2):126-130.(in Chinese)
• [8]颜事龙,王尹军,王昌建.水下爆炸切割钢板的试验研究[J].爆破器材,2004,33(2):26-29.[8]YAN Shi-long,WANG Yin-jun,WANG Chang-jian.Experimental research on cutting steel plate of underwater explosion[J].Explosive Materials,2004,33(2):26-29.(in Chinese)
• [9]王宝兴,谷鸿平,屈璟林,等.水下线形聚能装药切割钢靶的数值模拟及试验验证[J].火炸药学报,2010,33(6):65-68.[9]WANG Bao-xing,GU Hong-ping,QU Jing-lin,et al.Experimental and numerical study on the linear shaped charge cutting steel target under water[J].Chinese Journal of Explosives&Propellants,2012,33(6):65-68.(in Chinese)
• [10]HORNEMANN U,HOLZWARTH A.Shaped charge penetration in Alumina targets[J].Int JImpact Engng,1997,20:375-386.(in Chinese)
• [11]马海洋,龙源,何洋扬.炸高对线型聚能切割器切割深度影响的数值分析[J].火工品,2008(4):28-32.[11]MA Hai-yang,LONG Yuan,HE Yang-yang.Numerical analysis on effects of burst height on penetration depth of lscc[J].Initiators&Pyrotechnics,2008(4):28-32.(in Chinese)
• [12]苟瑞军.线形爆炸成型侵彻体形成机理研究[D].南京:南京理工大学,2006.[12]GOU Rui-jun.Study on formation mechanism of linear explosive forming penetrators[D].Nanjing:Nanjing University of Science and Technology,2006.(in Chinese)
• [13]傅磊,王伟力,李永胜,等.组合药型罩水介质中成型的数值仿真[J].鱼雷技术,2015:23(5):367-373.[13]FU Lei,WANG Wei-li,LI Yong-sheng,et al.Numerical simulation of combined liner formation in water[J].Torpedo Technology,2015,23(5):367-373.(in Chinese)
• [14]彭建祥.Johnson-Cook本构模型和Steinberg本构模型的比较研究[D].北京:中国工程物理研究院,2006.[14]PENG Jian-xiang.A comparative study of Johnson-Cook constitutive model and Steinberg constitutive model[D].Beijing:China Academy of Engineering Physics,2006.(in Chinese)