Article(id=1324026537808371920, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1324026500411957289, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1285689600000, receivedDateStr=2010-09-29, revisedDate=1295452800000, revisedDateStr=2011-01-20, acceptedDate=null, acceptedDateStr=null, onlineDate=1793602125836, onlineDateStr=2026-11-02, pubDate=1323878400000, pubDateStr=2011-12-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793602125836, onlineIssueDateStr=2026-11-02, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793602125836, creator=13701087609, updateTime=1793602125836, updator=13701087609, issue=Issue{id=1324026500411957289, tenantId=1146029695717560320, journalId=1255847867265597444, year='2011', volume='25', issue='6', pageStart='481', pageEnd='576', issueExtLink='null', onlineDate='null', pubDate='1323878400000', pubDateStr='2011-12-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793602116921, creator='13701087609', updateTime=1793602876854, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1324029687864897628, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1324026500411957289, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1324029687864897629, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1324026500411957289, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=539, endPage=548, ext={EN=ArticleExt(id=1324026538143916241, articleId=1324026537808371920, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=Study on Big Entry Hole Bidirectional Shaped Charge, columnId=null, journalTitle=Chinese Journal of High Pressure Physics, columnName=null, runingTitle=null, highlight=null, articleAbstract=

A shaped charge model, in which the biconical liner with the two-way charging structure was combined, was designed. Its jet formation mechanism was studied by means of numerical simulations, and the jet parameters were calculated. The obtained results were shown as follows: First, the small cone angle of the liner formed shaped charge jet, and the large cone angle formed explosively over-turned projectile. Second, the velocity of the jet tip and the projectile were respectively 6 250 m/s and 1 620.9 m/s. Third, the length and average diameter of the projectile were 26.1 mm and 8.6 mm. Based on the numerical results the jet penetrate formula was amended and then used to calculate the penetration depth of the shaped charge, and the calculated value was 69.6 mm. Finally, an experiment was carried out according to the model, the length and average diameter of the projectile were 28.1 mm and 8.8 mm. Furthermore, the penetration depth and hole size were 70 mm and 17 mm. Good agreement is among the numerical, theoretical calculation and the experimental results. In addition, the superior penetration performance is proved by the experimental results.

, authors=Lei LI, Zhao-Wu SHEN, Hong-Hao MA, authorsList=Lei LI, Zhao-Wu SHEN, Hong-Hao MA, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1324026538403963090, articleId=1324026537808371920, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=大孔径双向聚能射孔弹的研究, columnId=0, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

设计了一种双锥药型罩与双向装药结构相结合的聚能射孔弹模型,通过数值模拟方法研究其射流成型机理,并计算其射流参数。结果显示:双锥药型罩的小锥角部分形成聚能射流,大锥角部分形成翻转弹丸,射流头部和弹丸的速度分别为6 250 m/s和1 620.9 m/s,弹丸长度和平均直径分别为26.1 mm和8.6 mm。结合数值模拟结果,对射流侵彻公式进行了修正,并利用修正公式预测该射孔弹侵彻钢靶的深度,计算结果为69.6 mm。最后,按照该模型进行侵彻实验,实验回收弹丸的长度和平均直径分别为28.1 mm和8.8 mm,侵彻钢靶的深度和孔径分别为70 mm和17 mm。实验表明:数值模拟与理论计算方法相结合是可行的,能够有效地计算射孔弹的射流参数并预测其侵彻深度;该射孔弹侵彻性能优越。

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李磊(1986—),男,博士研究生,主要从事现代爆破技术与安全工程研究. E-mail:

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李磊(1986—),男,博士研究生,主要从事现代爆破技术与安全工程研究. E-mail:

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orderNo=4, keyword=聚能射流), Keyword(id=1324026542094950639, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1324026537808371920, language=CN, orderNo=5, keyword=翻转弹丸), Keyword(id=1324026542233362673, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1324026537808371920, language=CN, orderNo=6, keyword=侵彻性能)], refs=[Reference(id=1324026542505992436, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1324026537808371920, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[1], rfOrder=0, authorNames=null, journalName=null, refType=null, unstructuredReference=Wang X G, Zheng B X, Zhang Z Z, et al. 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大孔径双向聚能射孔弹的研究
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李磊 , 沈兆武 , 马宏昊
高压物理学报 | 2011,25(6): 539-548
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高压物理学报 | 2011 , 25 (6) : 539 -548
大孔径双向聚能射孔弹的研究
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李磊(1986—),男,博士研究生,主要从事现代爆破技术与安全工程研究. E-mail:

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李磊 , 沈兆武, 马宏昊
作者信息
  • 中国科学技术大学近代力学系,安徽 合肥 230026
作者简介:

李磊(1986—),男,博士研究生,主要从事现代爆破技术与安全工程研究. E-mail:

Study on Big Entry Hole Bidirectional Shaped Charge
Lei LI , Zhao-Wu SHEN, Hong-Hao MA
Affiliations
  • Department of Modern Mechanics, University of Science and Technology of China, Hefei 230026, China
出版时间: 2011-12-15
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设计了一种双锥药型罩与双向装药结构相结合的聚能射孔弹模型,通过数值模拟方法研究其射流成型机理,并计算其射流参数。结果显示:双锥药型罩的小锥角部分形成聚能射流,大锥角部分形成翻转弹丸,射流头部和弹丸的速度分别为6 250 m/s和1 620.9 m/s,弹丸长度和平均直径分别为26.1 mm和8.6 mm。结合数值模拟结果,对射流侵彻公式进行了修正,并利用修正公式预测该射孔弹侵彻钢靶的深度,计算结果为69.6 mm。最后,按照该模型进行侵彻实验,实验回收弹丸的长度和平均直径分别为28.1 mm和8.8 mm,侵彻钢靶的深度和孔径分别为70 mm和17 mm。实验表明:数值模拟与理论计算方法相结合是可行的,能够有效地计算射孔弹的射流参数并预测其侵彻深度;该射孔弹侵彻性能优越。

双锥药型罩  /  双向装药  /  数值模拟  /  聚能射流  /  翻转弹丸  /  侵彻性能

A shaped charge model, in which the biconical liner with the two-way charging structure was combined, was designed. Its jet formation mechanism was studied by means of numerical simulations, and the jet parameters were calculated. The obtained results were shown as follows: First, the small cone angle of the liner formed shaped charge jet, and the large cone angle formed explosively over-turned projectile. Second, the velocity of the jet tip and the projectile were respectively 6 250 m/s and 1 620.9 m/s. Third, the length and average diameter of the projectile were 26.1 mm and 8.6 mm. Based on the numerical results the jet penetrate formula was amended and then used to calculate the penetration depth of the shaped charge, and the calculated value was 69.6 mm. Finally, an experiment was carried out according to the model, the length and average diameter of the projectile were 28.1 mm and 8.8 mm. Furthermore, the penetration depth and hole size were 70 mm and 17 mm. Good agreement is among the numerical, theoretical calculation and the experimental results. In addition, the superior penetration performance is proved by the experimental results.

biconical liner  /  two-way charging  /  numerical simulation  /  shaped charge jet  /  explosively formed projectile  /  penetration performance
李磊, 沈兆武, 马宏昊. 大孔径双向聚能射孔弹的研究. 高压物理学报, 2011 , 25 (6) : 539 -548 .
Lei LI, Zhao-Wu SHEN, Hong-Hao MA. Study on Big Entry Hole Bidirectional Shaped Charge[J]. Chinese Journal of High Pressure Physics, 2011 , 25 (6) : 539 -548 .
  • 国家自然科学基金重点项目(51134012)
  • 国家自然科学基金面上项目(51174183)
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2011年第25卷第6期
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  • 接收时间:2010-09-29
  • 首发时间:2026-11-02
  • 出版时间:2011-12-15
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  • 收稿日期:2010-09-29
  • 修回日期:2011-01-20
基金
国家自然科学基金重点项目(51134012)
国家自然科学基金面上项目(51174183)
作者信息
    中国科学技术大学近代力学系,安徽 合肥 230026
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2种不同金属材料的力学参数
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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