一种球锥结合药型罩石油射孔弹研究
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摘要
设计了一种球锥结合药型罩石油射孔弹,在半球形主药型罩基础上增加了锥形前驱罩结构,利用ALE方法,模拟了药型罩材料为铜,锥角角度分别为30°、35°、40°、45°和50°时对其射流的速度和形状、射流头部速度和杵体质量的影响,并与半球形药型罩模拟结果进行对比。结果表明前驱罩锥角40°比锥角30°射流速度降低了26%,直径提高了8.1%,锥角40°比锥角50°射流速度提高了4.1%,直径降低了3.4%。前驱罩锥角为40°和50°的球锥形药型罩的射流头部速度比半球形药型罩分别提高了25%和20%,直径分别提高了2.6%和6.1%。试验结果与模拟结果大致相符,为大孔径、深穿孔石油射孔弹的设计开发提供了一定的参考。
A petroleum perforating charge with hemispheric-conical combined liner was designed. The hemispheric liner was combined with a conical precursory shaped charge. ALE methods were used to numerical simulate the speed and shape of jet,velocity of jet head,and mass of slug of the petroleum perforating charge when the liner material was copper and the cone angle were 30°,35°,40°,45° and 50°. The simulation results were also compared with those of the hemispheric liner. Compared with the liner with 30° cone angle,the jet velocity of liner with 40°cone angle reduces 26% and the diameter improves 8. 1%. Compared with the liner with 50° cone angle,the jet velocity of liner with 40° cone angle improves 4. 1% and the diameter reduces 3. 4%. When the cone angle was 40° and 50°,the velocities of the jet respectively improves 25% and 20% than hemispheric liner,and the diameter respectively improves 2. 6% and 6. 1%. The test results are similar to the simulation. Relevant fundamental data are provided here for the research and development of large and deep aperture perforating charge.
A petroleum perforating charge with hemispheric-conical combined liner was designed. The hemispheric liner was combined with a conical precursory shaped charge. ALE methods were used to numerical simulate the speed and shape of jet,velocity of jet head,and mass of slug of the petroleum perforating charge when the liner material was copper and the cone angle were 30°,35°,40°,45° and 50°. The simulation results were also compared with those of the hemispheric liner. Compared with the liner with 30° cone angle,the jet velocity of liner with 40°cone angle reduces 26% and the diameter improves 8. 1%. Compared with the liner with 50° cone angle,the jet velocity of liner with 40° cone angle improves 4. 1% and the diameter reduces 3. 4%. When the cone angle was 40° and 50°,the velocities of the jet respectively improves 25% and 20% than hemispheric liner,and the diameter respectively improves 2. 6% and 6. 1%. The test results are similar to the simulation. Relevant fundamental data are provided here for the research and development of large and deep aperture perforating charge.
引文
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[10]李磊,马宏昊,沈兆武.基于正交设计方法的双锥罩结构优化设计[J].爆炸与冲击,2013,33(6):567-573.Li Lei,Ma Honghao,Shen Zhaowu.Optimal design of biconical liner structure based on orthogonal design method[J].Explosion and Shock Waves,2013,33(6):567-573.
[11]吴焕龙,杜明章,杨超,等.射孔弹聚能射流侵彻钢靶的数值仿真与实验分析[J].爆破器材,2012,41(2):30-33.Wu Huanlong,Du Mingzhang,Yang Chao,et al.Numerical simulation and experimental analysis of shaped charge jet penetrating into steel target[J].Explosive Materials,2012,41(2):30-33.
[12]金玮玮,张昭,张洪武.药型罩锥角对射孔枪射流冲击过程的影响[J].计算力学学报,2011,28(增刊):43-48.Jin Weiwei,Zhang Zhao,Zhang Hongwu.Effect of liner cone angle on perforation and impact process of perforating gun[J].Chinese Journal of Computational Mechanics,2011,28(supp.):43-48.
[13]吴焕龙.装药与药型罩分离对射孔弹穿深影响的规律研究[J].爆破器材,2014,43(1):38-42.Wu Huanlong.Law study on the influence of charging and liner separation to penetration depth of perforating charge[J].Explosive Materials,2014,43(1):38-42.
[14]徐伟芳,张方举,陈裕泽,等.混凝土薄板的侵彻破坏响应实验[J].爆炸与冲击,2013,33(2):169-174.Xu Weifang,Zhang Fangju,Chen Yuze,et al.Experimental study on penetration responses of thin concrete targets[J].Explosion and Shock Waves,2013,33(2):169-174.
[15]常一超,刘恩良.具有前驱罩石油射孔弹研究[J].工程爆破,2014,20(2):14-16.Chang Yichao,Liu Enliang.Experimental study of petroleum perforation bullet with precursor liner[J].Engi-neering Blasting,2014,20(2):14-16.
[2]王艳萍,黄寅生,姜延东.大孔径石油射孔弹性能的实验研究[J].火炸药学报,2002(3):79-80.Wang Yanping,Huang Yinsheng,Jiang Yandong.Experimental study of big entry hole charge for petroleum[J].Chinese Journal of Explosives&Propellants,2002(3):79-80.
[3]Lee W H.Oil well perforator design using 2D Eulerian code[J].International Journal of Impact Engineering,2002,27(5):535-559.
[4]赵云涛,徐文新,周曌,等.药型罩对射孔弹射孔性能的影响[J].测井技术,2005,29(增刊):37-39.Zhao Yuntao,Xu Wenxin,Zhou Zhao,et al.The effect of liner on performance of perforating charge[J].Well Logging Technology,2005,29(supp.):37-39.
[5]李磊,沈兆武,马宏昊.大孔径双向聚能射孔弹的研究[J].高压物理学报,2011,25(6):539-548.Li Lei,Shen Zhaowu,Ma Honghao.Study on big entry hole bidirectional shaped charge[J].Chinese Journal of High Pressure Physics,2011,25(6):539-548.
[6]罗宏伟,郭鹏,涂良.系列大孔径深穿透射孔弹研制[J].钻采工艺,2010,33(增刊):72-75.Luo Hongwei,Guo Peng,Tu Liang.Development for series of large diameter deep penetrating perforator[J].Drilling&Production Technology,2010,33(supp.):72-75.
[7]李东传,唐国海,孙新波,等.射孔压实带研究[J].石油勘探与开发,2000,27(5):112-114.Li Dongchuan,Tang Guohai,Sun Xinbo,et al.A study on perforation crushed-zone[J].Petroleum Exploration and Development,2000,27(5):112-114.
[8]张子敏,许碧英,阎峰,等.活性金属药型罩射孔弹破甲试验研究[J].爆破器材,2013,42(4):53-56.Zhang Zimin,Xu Biying,Yan Feng,et al.Penetrating test of active metal charge liner perforating bullet[J].Explosive Materials,2013,42(4):53-56.
[9]汪得功,李文彬,王晓鸣,等.单锥罩成型装药环起爆对侵彻体形成的影响研究[J].兵工学报,2009,30(8):1014-1018.Wang Degong,Li Wenbin,Wang Xiaoming,et al.Research on the influence of annular initiation on penetrator formation of shaped charge conical liners[J].Acta Armamentarii,2009,30(8):1014-1018.
[10]李磊,马宏昊,沈兆武.基于正交设计方法的双锥罩结构优化设计[J].爆炸与冲击,2013,33(6):567-573.Li Lei,Ma Honghao,Shen Zhaowu.Optimal design of biconical liner structure based on orthogonal design method[J].Explosion and Shock Waves,2013,33(6):567-573.
[11]吴焕龙,杜明章,杨超,等.射孔弹聚能射流侵彻钢靶的数值仿真与实验分析[J].爆破器材,2012,41(2):30-33.Wu Huanlong,Du Mingzhang,Yang Chao,et al.Numerical simulation and experimental analysis of shaped charge jet penetrating into steel target[J].Explosive Materials,2012,41(2):30-33.
[12]金玮玮,张昭,张洪武.药型罩锥角对射孔枪射流冲击过程的影响[J].计算力学学报,2011,28(增刊):43-48.Jin Weiwei,Zhang Zhao,Zhang Hongwu.Effect of liner cone angle on perforation and impact process of perforating gun[J].Chinese Journal of Computational Mechanics,2011,28(supp.):43-48.
[13]吴焕龙.装药与药型罩分离对射孔弹穿深影响的规律研究[J].爆破器材,2014,43(1):38-42.Wu Huanlong.Law study on the influence of charging and liner separation to penetration depth of perforating charge[J].Explosive Materials,2014,43(1):38-42.
[14]徐伟芳,张方举,陈裕泽,等.混凝土薄板的侵彻破坏响应实验[J].爆炸与冲击,2013,33(2):169-174.Xu Weifang,Zhang Fangju,Chen Yuze,et al.Experimental study on penetration responses of thin concrete targets[J].Explosion and Shock Waves,2013,33(2):169-174.
[15]常一超,刘恩良.具有前驱罩石油射孔弹研究[J].工程爆破,2014,20(2):14-16.Chang Yichao,Liu Enliang.Experimental study of petroleum perforation bullet with precursor liner[J].Engi-neering Blasting,2014,20(2):14-16.