Article(id=1324026002686484851, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1324025993496764720, 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=1254067200000, receivedDateStr=2009-09-28, revisedDate=1256400000000, revisedDateStr=2009-10-25, acceptedDate=null, acceptedDateStr=null, onlineDate=1793601998254, onlineDateStr=2026-11-02, pubDate=1287072000000, pubDateStr=2010-10-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793601998254, onlineIssueDateStr=2026-11-02, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793601998254, creator=13701087609, updateTime=1793601998254, updator=13701087609, issue=Issue{id=1324025993496764720, tenantId=1146029695717560320, journalId=1255847867265597444, year='2010', volume='24', issue='5', pageStart='321', pageEnd='400', issueExtLink='null', onlineDate='null', pubDate='1287072000000', pubDateStr='2010-10-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793601996062, creator='13701087609', updateTime=1793602733148, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1324029085189550094, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1324025993496764720, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1324029085189550095, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1324025993496764720, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=343, endPage=350, ext={EN=ArticleExt(id=1324026002980086132, articleId=1324026002686484851, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=Dynamic Response Characteristics of Ship-Like Beam Subjected to Underwater Explosion in Near Field, columnId=null, journalTitle=Chinese Journal of High Pressure Physics, columnName=null, runingTitle=null, highlight=null, articleAbstract=

To study dynamic response and overall damage modes of warship subjected to underwater explosion in near field, a ship-like model was designed based on similarity criterion. The dynamic response was investigated by changing stand-off and weight of explosive in experiments where four kinds of explosives were located closely under the mid-span of the hull girder. In experiments, high-speed photography was applied to obtain the girder's movement process. Simultaneously, the data of strain and acceleration was attained to make a detail analysis on how the object reacts against shock wave and bubble. Experimental results show that there exits a low-pressure fluid zone below the girder due to bubble pulse in near field. The low-pressure area makes the girder undergo a vertical bending moment and possibly suffer an overall bending damage. With the increase of stand-off, the relevance of explosion energy and damage effect gradually increases. If stand-off is close to the maximum bubble radius, the bubble will exert a maximum damage effect on the structure.

, authors=Xi ZHU, Hai-Tao LI, Jin-Lei MU, Xiao-Ming HUANG, authorsList=Xi ZHU, Hai-Tao LI, Jin-Lei MU, Xiao-Ming HUANG, 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=1324026003160441205, articleId=1324026002686484851, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=水下近距爆炸作用下船体梁的动态响应特性, columnId=0, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

为研究舰船在水下近距爆炸作用下的结构响应及损伤模式,以相似准则为基础,设计了船体梁模型,选用4种不同能量结构的炸药,将其置于模型中部正下方爆炸,通过改变药量和爆距,实验研究了船体梁在近距爆炸作用下的动态响应特性。利用高速摄影技术观察了模型的整个运动过程,结合实验数据定量分析了结构的应变和加速度响应特性,比较了冲击波和气泡脉动对结构的损伤特点。研究发现:近距爆炸气泡脉动会使结构下方形成一个低压流体区,该低压区的存在会使模型受到中垂弯矩作用,并可能使其发生中垂弯曲破坏;随着爆距的增大,爆炸能量与损伤效果之间的相关性变得明显;近距条件下,为了发挥爆炸气泡的最大破坏作用,爆距应该接近于最大气泡半径。

, authors=朱锡, 李海涛, 牟金磊, 黄晓明, authorsList=朱锡, 李海涛, 牟金磊, 黄晓明, authorCompany=null, correspAuthors=null, authorNote=

朱锡(1961—),男,教授,博士生导师,主要从事船舶抗爆炸冲击及装甲防护技术研究. E-mail:

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朱锡(1961—),男,教授,博士生导师,主要从事船舶抗爆炸冲击及装甲防护技术研究. E-mail:

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水下近距爆炸作用下船体梁的动态响应特性
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朱锡 , 李海涛 , 牟金磊 , 黄晓明
高压物理学报 | 2010,24(5): 343-350
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高压物理学报 | 2010 , 24 (5) : 343 -350
水下近距爆炸作用下船体梁的动态响应特性
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朱锡 , 李海涛, 牟金磊, 黄晓明
作者信息
  • 海军工程大学船舶与动力学院,湖北 武汉 430033
作者简介:

朱锡(1961—),男,教授,博士生导师,主要从事船舶抗爆炸冲击及装甲防护技术研究. E-mail:

Dynamic Response Characteristics of Ship-Like Beam Subjected to Underwater Explosion in Near Field
Xi ZHU , Hai-Tao LI, Jin-Lei MU, Xiao-Ming HUANG
Affiliations
  • College of Naval Architecture and Power, Naval University of Engineering, Wuhan 430033, China
出版时间: 2010-10-15
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为研究舰船在水下近距爆炸作用下的结构响应及损伤模式,以相似准则为基础,设计了船体梁模型,选用4种不同能量结构的炸药,将其置于模型中部正下方爆炸,通过改变药量和爆距,实验研究了船体梁在近距爆炸作用下的动态响应特性。利用高速摄影技术观察了模型的整个运动过程,结合实验数据定量分析了结构的应变和加速度响应特性,比较了冲击波和气泡脉动对结构的损伤特点。研究发现:近距爆炸气泡脉动会使结构下方形成一个低压流体区,该低压区的存在会使模型受到中垂弯矩作用,并可能使其发生中垂弯曲破坏;随着爆距的增大,爆炸能量与损伤效果之间的相关性变得明显;近距条件下,为了发挥爆炸气泡的最大破坏作用,爆距应该接近于最大气泡半径。

爆炸力学  /  水下近距爆炸  /  冲击波  /  气泡脉动  /  动态响应  /  实验研究

To study dynamic response and overall damage modes of warship subjected to underwater explosion in near field, a ship-like model was designed based on similarity criterion. The dynamic response was investigated by changing stand-off and weight of explosive in experiments where four kinds of explosives were located closely under the mid-span of the hull girder. In experiments, high-speed photography was applied to obtain the girder's movement process. Simultaneously, the data of strain and acceleration was attained to make a detail analysis on how the object reacts against shock wave and bubble. Experimental results show that there exits a low-pressure fluid zone below the girder due to bubble pulse in near field. The low-pressure area makes the girder undergo a vertical bending moment and possibly suffer an overall bending damage. With the increase of stand-off, the relevance of explosion energy and damage effect gradually increases. If stand-off is close to the maximum bubble radius, the bubble will exert a maximum damage effect on the structure.

explosion mechanics  /  underwater nearby explosion  /  shock wave  /  bubble pulse  /  dynamic response  /  experimental study
朱锡, 李海涛, 牟金磊, 黄晓明. 水下近距爆炸作用下船体梁的动态响应特性. 高压物理学报, 2010 , 24 (5) : 343 -350 .
Xi ZHU, Hai-Tao LI, Jin-Lei MU, Xiao-Ming HUANG. Dynamic Response Characteristics of Ship-Like Beam Subjected to Underwater Explosion in Near Field[J]. Chinese Journal of High Pressure Physics, 2010 , 24 (5) : 343 -350 .
  • 国家“973”重大基础研究项目(51335020101)
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2010年第24卷第5期
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  • 接收时间:2009-09-28
  • 首发时间:2026-11-02
  • 出版时间:2010-10-15
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  • 收稿日期:2009-09-28
  • 修回日期:2009-10-25
基金
国家“973”重大基础研究项目(51335020101)
作者信息
    海军工程大学船舶与动力学院,湖北 武汉 430033
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