Article(id=1325115632253010564, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1325115579346059524, 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=1319904000000, receivedDateStr=2011-10-30, revisedDate=1331481600000, revisedDateStr=2012-03-12, acceptedDate=null, acceptedDateStr=null, onlineDate=1793861786186, onlineDateStr=2026-11-05, pubDate=1376496000000, pubDateStr=2013-08-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793861786186, onlineIssueDateStr=2026-11-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793861786186, creator=13701087609, updateTime=1793861786186, updator=13701087609, issue=Issue{id=1325115579346059524, tenantId=1146029695717560320, journalId=1255847867265597444, year='2013', volume='27', issue='4', pageStart='473', pageEnd='632', issueExtLink='null', onlineDate='null', pubDate='1376496000000', pubDateStr='2013-08-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793861773573, creator='13701087609', updateTime=1793861773573, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=592, endPage=598, ext={EN=ArticleExt(id=1325115632441754245, articleId=1325115632253010564, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=Study of Pressure on the Inner Wall of Powder Cold Shock-Wave Extinguishing Bomb, columnId=null, journalTitle=Chinese Journal of High Pressure Physics, columnName=null, runingTitle=null, highlight=null, articleAbstract=

In order to study the shell fragmentation and the early motion of extinguishing medium after explosion in the cold shock-wave extinguishing system, the pressure on the inner wall of the cold shock-wave extinguishing bomb must be firstly understood. The change of pressure has been studied by dimensional analysis, mechanical structure, and explosion experiments. It is found that the pressure is related to the charge weight and bomb diameter, and the pressure waveform measured at the inner wall is rectangular. When the bomb diameter is 104 mm, the duration of high pressure is above 100 μs; when the bomb diameter is 220 mm, the duration of high pressure is above 200 μs. In addition, the specific central explosive charge of powder is more than that of water under the same dimension of the cold shock-wave extinguishing bomb to reach better effect of the shell crushing. Owing to the higher energy dissipation during compression, the finer powder and pre-compression powder are suggested as extinguishing medium in powder cold shock-wave extinguishing system.

, authors=Yao-Gang JIANG, Hong-Hao MA, Zhao-Wu SHEN, Zhi-Qiang FAN, Quan WANG, authorsList=Yao-Gang JIANG, Hong-Hao MA, Zhao-Wu SHEN, Zhi-Qiang FAN, Quan WANG, authorCompany=null, correspAuthors=Hong-Hao MA, 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=1325115632664052358, articleId=1325115632253010564, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=粉系冷激波灭火弹内壁处压力研究, columnId=0, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

为了研究冷激波灭火系统壳体破碎和灭火介质爆炸抛洒初期的运动规律,首先需要了解冷激波灭火弹内壁处的压力峰值情况。根据量纲分析、力学结构及爆炸实验,研究了不同尺寸、不同药量下粉系冷激波灭火弹内壁处压力的变化规律。结果表明:粉系冷激波灭火弹内壁处的压力峰值与装药量和弹体直径有关;内壁处压力波形为矩形,当弹体内径为104 mm时,内壁高压持续时间大于100 μs,当弹体内径为220 mm时,内壁高压持续时间大于200 μs;同等弹体直径下,粉系灭火介质的比药量比水系灭火介质的比药量大。由于介质压缩能耗较大,建议采用更细的纳米级粉体或预压缩的粉团作为粉系冷激波灭火弹的灭火介质。

, authors=蒋耀港, 马宏昊, 沈兆武, 范志强, 汪泉, authorsList=蒋耀港, 马宏昊, 沈兆武, 范志强, 汪泉, authorCompany=null, correspAuthors=马宏昊, authorNote=

蒋耀港(1983-),男,博士,主要从事冷激波灭火研究. E-mail:

, correspAuthorsNote=
马宏昊(1980-),男,副教授,主要从事爆破技术研究. E-mail:
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蒋耀港(1983-),男,博士,主要从事冷激波灭火研究. E-mail:

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蒋耀港(1983-),男,博士,主要从事冷激波灭火研究. E-mail:

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粉系冷激波灭火弹内壁处压力研究
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蒋耀港 , 马宏昊 , 沈兆武 , 范志强 , 汪泉
高压物理学报 | 2013,27(4): 592-598
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高压物理学报 | 2013 , 27 (4) : 592 -598
粉系冷激波灭火弹内壁处压力研究
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蒋耀港 , 马宏昊 , 沈兆武, 范志强, 汪泉
作者信息
  • 中国科学技术大学近代力学系,安徽 合肥 230027
通讯作者:
马宏昊(1980-),男,副教授,主要从事爆破技术研究. E-mail:
作者简介:

蒋耀港(1983-),男,博士,主要从事冷激波灭火研究. E-mail:

Study of Pressure on the Inner Wall of Powder Cold Shock-Wave Extinguishing Bomb
Yao-Gang JIANG , Hong-Hao MA , Zhao-Wu SHEN, Zhi-Qiang FAN, Quan WANG
Affiliations
  • Department of Modern Mechanics, University of Science and Technology of China, Hefei 230027, China
出版时间: 2013-08-15
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为了研究冷激波灭火系统壳体破碎和灭火介质爆炸抛洒初期的运动规律,首先需要了解冷激波灭火弹内壁处的压力峰值情况。根据量纲分析、力学结构及爆炸实验,研究了不同尺寸、不同药量下粉系冷激波灭火弹内壁处压力的变化规律。结果表明:粉系冷激波灭火弹内壁处的压力峰值与装药量和弹体直径有关;内壁处压力波形为矩形,当弹体内径为104 mm时,内壁高压持续时间大于100 μs,当弹体内径为220 mm时,内壁高压持续时间大于200 μs;同等弹体直径下,粉系灭火介质的比药量比水系灭火介质的比药量大。由于介质压缩能耗较大,建议采用更细的纳米级粉体或预压缩的粉团作为粉系冷激波灭火弹的灭火介质。

冷激波灭火弹  /  压力测试  /  灭火介质

In order to study the shell fragmentation and the early motion of extinguishing medium after explosion in the cold shock-wave extinguishing system, the pressure on the inner wall of the cold shock-wave extinguishing bomb must be firstly understood. The change of pressure has been studied by dimensional analysis, mechanical structure, and explosion experiments. It is found that the pressure is related to the charge weight and bomb diameter, and the pressure waveform measured at the inner wall is rectangular. When the bomb diameter is 104 mm, the duration of high pressure is above 100 μs; when the bomb diameter is 220 mm, the duration of high pressure is above 200 μs. In addition, the specific central explosive charge of powder is more than that of water under the same dimension of the cold shock-wave extinguishing bomb to reach better effect of the shell crushing. Owing to the higher energy dissipation during compression, the finer powder and pre-compression powder are suggested as extinguishing medium in powder cold shock-wave extinguishing system.

cold shock-wave fire-extinguishing bomb  /  pressure test  /  extinguishing medium
蒋耀港, 马宏昊, 沈兆武, 范志强, 汪泉. 粉系冷激波灭火弹内壁处压力研究. 高压物理学报, 2013 , 27 (4) : 592 -598 .
Yao-Gang JIANG, Hong-Hao MA, Zhao-Wu SHEN, Zhi-Qiang FAN, Quan WANG. Study of Pressure on the Inner Wall of Powder Cold Shock-Wave Extinguishing Bomb[J]. Chinese Journal of High Pressure Physics, 2013 , 27 (4) : 592 -598 .
  • 国家自然科学基金(51174183)
  • 安徽省教育厅优秀青年人才基金(2010SQRL057ZD)
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2013年第27卷第4期
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  • 接收时间:2011-10-30
  • 首发时间:2026-11-05
  • 出版时间:2013-08-15
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  • 收稿日期:2011-10-30
  • 修回日期:2012-03-12
基金
国家自然科学基金(51174183)
安徽省教育厅优秀青年人才基金(2010SQRL057ZD)
作者信息
    中国科学技术大学近代力学系,安徽 合肥 230027

通讯作者:

马宏昊(1980-),男,副教授,主要从事爆破技术研究. E-mail:
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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
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