Article(id=1324026502299386345, 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=1286121600000, receivedDateStr=2010-10-04, revisedDate=1292428800000, revisedDateStr=2010-12-16, acceptedDate=null, acceptedDateStr=null, onlineDate=1793602117370, onlineDateStr=2026-11-02, pubDate=1323878400000, pubDateStr=2011-12-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793602117370, onlineIssueDateStr=2026-11-02, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793602117370, creator=13701087609, updateTime=1793602117370, 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=481, endPage=486, ext={EN=ArticleExt(id=1324026503045972458, articleId=1324026502299386345, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=Planar Explosion Shock Wave Attenuation in Granular Metal, columnId=null, journalTitle=Chinese Journal of High Pressure Physics, columnName=null, runingTitle=null, highlight=null, articleAbstract=

The loading and unloading paths of shock impact on granular metal were analyzed, and the attenuation of planar explosion shock wave in granular metal was investigated using characteristic method. The results showed that the initial peak pressure of the shock wave was determined by the type and property of the metal, porosity and detonation velocity of the explosive. The higher of impact impedance and porosity of metal and higher the detonation velocity were, the higher initial peak pressure was. The attenuation was determined by the length of explosive, impact impedance and porosity of the metal. The higher of impact impedance and porosity of metal and shorter explosive cylinder was, the more quickly the shock wave attenuated.

, authors=Ya-Hong CHEN1, 2, Chun-Hua BAI1, Zhong-Qi WANG1, Jian-Ping LI1, authorsList=Ya-Hong CHEN, Chun-Hua BAI, Zhong-Qi WANG, Jian-Ping LI, authorCompany=null, correspAuthors=Chun-Hua BAI, 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=1324026503893221867, articleId=1324026502299386345, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=爆炸平面冲击波在金属颗粒介质中的衰减, columnId=0, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

分析了颗粒介质在冲击载荷下的加载、卸载本构关系,应用特征线理论对平面一维爆炸冲击波在颗粒介质中的衰减进行了计算。结果表明:组成颗粒的材料、孔隙率及炸药的爆速决定了初始冲击波峰值的大小。炸药爆速越高,介质孔隙率越大,材料本身的冲击阻抗越大,初始压力越高。炸药长度、材料本身的冲击阻抗及介质的孔隙率决定了冲击波的衰减速度。炸药长度越小,材料本身的冲击阻抗越大,介质的孔隙率越高,冲击波衰减越快。

, authors=陈亚红1, 2, 白春华1, 王仲琦1, 李建平1, authorsList=陈亚红, 白春华, 王仲琦, 李建平, authorCompany=null, correspAuthors=白春华, authorNote=

陈亚红(1975—),男,博士研究生,主要从事爆炸安全及防护研究. E-mail:

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白春华(1959—),男,博士,教授,主要从事武器系统与安全工程研究. E-mail:
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陈亚红(1975—),男,博士研究生,主要从事爆炸安全及防护研究. E-mail:

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爆炸平面冲击波在金属颗粒介质中的衰减
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陈亚红 1, 2 , 白春华 1 , 王仲琦 1 , 李建平 1
高压物理学报 | 2011,25(6): 481-486
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高压物理学报 | 2011 , 25 (6) : 481 -486
爆炸平面冲击波在金属颗粒介质中的衰减
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陈亚红(1975—),男,博士研究生,主要从事爆炸安全及防护研究. E-mail:

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陈亚红1, 2 , 白春华1 , 王仲琦1, 李建平1
作者信息
  • 1.北京理工大学爆炸科学与技术国家重点实验室,北京 100081
  • 2.中北大学化工与环境学院,山西 太原 030051
通讯作者:
白春华(1959—),男,博士,教授,主要从事武器系统与安全工程研究. E-mail:
作者简介:

陈亚红(1975—),男,博士研究生,主要从事爆炸安全及防护研究. E-mail:

Planar Explosion Shock Wave Attenuation in Granular Metal
Ya-Hong CHEN1, 2 , Chun-Hua BAI1 , Zhong-Qi WANG1, Jian-Ping LI1
Affiliations
  • 1.State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China
  • 2.School of Chemical Engineering and Environment, North University of China, Taiyuan 030051, China
出版时间: 2011-12-15
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分析了颗粒介质在冲击载荷下的加载、卸载本构关系,应用特征线理论对平面一维爆炸冲击波在颗粒介质中的衰减进行了计算。结果表明:组成颗粒的材料、孔隙率及炸药的爆速决定了初始冲击波峰值的大小。炸药爆速越高,介质孔隙率越大,材料本身的冲击阻抗越大,初始压力越高。炸药长度、材料本身的冲击阻抗及介质的孔隙率决定了冲击波的衰减速度。炸药长度越小,材料本身的冲击阻抗越大,介质的孔隙率越高,冲击波衰减越快。

爆炸力学  /  冲击波衰减  /  金属颗粒介质  /  特征线法

The loading and unloading paths of shock impact on granular metal were analyzed, and the attenuation of planar explosion shock wave in granular metal was investigated using characteristic method. The results showed that the initial peak pressure of the shock wave was determined by the type and property of the metal, porosity and detonation velocity of the explosive. The higher of impact impedance and porosity of metal and higher the detonation velocity were, the higher initial peak pressure was. The attenuation was determined by the length of explosive, impact impedance and porosity of the metal. The higher of impact impedance and porosity of metal and shorter explosive cylinder was, the more quickly the shock wave attenuated.

mechanics of explosion  /  attenuation of shock wave  /  granular metal  /  characteristic method
陈亚红, 白春华, 王仲琦, 李建平. 爆炸平面冲击波在金属颗粒介质中的衰减. 高压物理学报, 2011 , 25 (6) : 481 -486 .
Ya-Hong CHEN, Chun-Hua BAI, Zhong-Qi WANG, Jian-Ping LI. Planar Explosion Shock Wave Attenuation in Granular Metal[J]. Chinese Journal of High Pressure Physics, 2011 , 25 (6) : 481 -486 .
  • 国家部委预研重点基金项目(9140A05080507)
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2011年第25卷第6期
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  • 接收时间:2010-10-04
  • 首发时间:2026-11-02
  • 出版时间:2011-12-15
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  • 收稿日期:2010-10-04
  • 修回日期:2010-12-16
基金
国家部委预研重点基金项目(9140A05080507)
作者信息
    1.北京理工大学爆炸科学与技术国家重点实验室,北京 100081
    2.中北大学化工与环境学院,山西 太原 030051

通讯作者:

白春华(1959—),男,博士,教授,主要从事武器系统与安全工程研究. E-mail:
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2种不同金属材料的力学参数
科
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属数
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genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
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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