Article(id=1325114993368248633, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1325114984098836691, 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=1296316800000, receivedDateStr=2011-01-30, revisedDate=1312732800000, revisedDateStr=2011-08-08, acceptedDate=null, acceptedDateStr=null, onlineDate=1793861633865, onlineDateStr=2026-11-05, pubDate=1350230400000, pubDateStr=2012-10-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793861633865, onlineIssueDateStr=2026-11-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793861633865, creator=13701087609, updateTime=1793861633865, updator=13701087609, issue=Issue{id=1325114984098836691, tenantId=1146029695717560320, journalId=1255847867265597444, year='2012', volume='26', issue='5', pageStart='481', pageEnd='600', issueExtLink='null', onlineDate='null', pubDate='1350230400000', pubDateStr='2012-10-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793861631654, creator='13701087609', updateTime=1793861631654, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=564, endPage=570, ext={EN=ArticleExt(id=1325114993586352442, articleId=1325114993368248633, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=Numerical Investigations on Acceleration of Projectile in Post-Effect Period, columnId=null, journalTitle=Chinese Journal of High Pressure Physics, columnName=null, runingTitle=null, highlight=null, articleAbstract=

After exiting the muzzle, the projectile continues being accelerated to maximum velocity by the propellant flow. The increasing of velocity in post-effect period has a great influence in the design of weapons and weapon firing precision. The process of firing under different conditions was numerically studied using finite volume method based on moving grids. Force on the projectile and the movement of the projectile were discussed. When and where the projectile reach its maximum velocity as well as the velocity increasing rate and the factors influences it was analyzed in detail. The result shows that the rate of increasing velocity may be over 3%, and is hardly affected by bullet mass and explosive charge.

, authors=Ze-Qing GUO, Xiao-Hai JIANG, Yang WANG, authorsList=Ze-Qing GUO, Xiao-Hai JIANG, Yang WANG, authorCompany=null, correspAuthors=Xiao-Hai JIANG, 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=1325114993825427771, articleId=1325114993368248633, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=后效期火药燃气加速弹丸的数值研究, columnId=0, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

弹丸出膛后受高压火药燃气作用将继续加速并达到最大速度,后效期内弹丸增速大小及增速规律对于武器系统的设计和射击精度等具有重要的影响。采用基于动网格的有限体积方法,对不同装药量、弹丸质量和口径等9种条件下的发射过程进行了数值模拟,讨论了弹丸出膛后的受力状况和运动过程,对最大速度出现的时间、位置和增速量及其变化特点、影响因素等进行了详细的分析。计算结果显示,后效期弹丸增速率最大可超过3%,且加速过程受弹丸质量和装药量的影响很小。

, authors=郭则庆, 姜孝海, 王杨, authorsList=郭则庆, 姜孝海, 王杨, authorCompany=null, correspAuthors=姜孝海, authorNote=

郭则庆(1986—),男,博士研究生,主要从事兵器发射理论与技术研究. E-mail:

, correspAuthorsNote=
姜孝海(1975—),男,博士,副教授,主要从事兵器发射和工业灾害等研究. E-mail:
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郭则庆(1986—),男,博士研究生,主要从事兵器发射理论与技术研究. E-mail:

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articleId=1325114993368248633, language=CN, orderNo=1, keyword=膛口流场), Keyword(id=1325114995259879762, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325114993368248633, language=CN, orderNo=2, keyword=后效期), Keyword(id=1325114995356348755, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325114993368248633, language=CN, orderNo=3, keyword=弹丸加速)], refs=[Reference(id=1325114995633172822, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325114993368248633, 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=Editorial Board of Science and Technology Dictionary of Weapon Industry. 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后效期火药燃气加速弹丸的数值研究
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郭则庆 , 姜孝海 , 王杨
高压物理学报 | 2012,26(5): 564-570
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高压物理学报 | 2012 , 26 (5) : 564 -570
后效期火药燃气加速弹丸的数值研究
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郭则庆 , 姜孝海 , 王杨
作者信息
  • 南京理工大学瞬态物理国家重点实验室,江苏 南京 210094
通讯作者:
姜孝海(1975—),男,博士,副教授,主要从事兵器发射和工业灾害等研究. E-mail:
作者简介:

郭则庆(1986—),男,博士研究生,主要从事兵器发射理论与技术研究. E-mail:

Numerical Investigations on Acceleration of Projectile in Post-Effect Period
Ze-Qing GUO , Xiao-Hai JIANG , Yang WANG
Affiliations
  • National Key Laboratory of Transient Physics, Nanjing University of Science and Technology, Nanjing 210094, China
出版时间: 2012-10-15
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弹丸出膛后受高压火药燃气作用将继续加速并达到最大速度,后效期内弹丸增速大小及增速规律对于武器系统的设计和射击精度等具有重要的影响。采用基于动网格的有限体积方法,对不同装药量、弹丸质量和口径等9种条件下的发射过程进行了数值模拟,讨论了弹丸出膛后的受力状况和运动过程,对最大速度出现的时间、位置和增速量及其变化特点、影响因素等进行了详细的分析。计算结果显示,后效期弹丸增速率最大可超过3%,且加速过程受弹丸质量和装药量的影响很小。

膛口流场  /  后效期  /  弹丸加速

After exiting the muzzle, the projectile continues being accelerated to maximum velocity by the propellant flow. The increasing of velocity in post-effect period has a great influence in the design of weapons and weapon firing precision. The process of firing under different conditions was numerically studied using finite volume method based on moving grids. Force on the projectile and the movement of the projectile were discussed. When and where the projectile reach its maximum velocity as well as the velocity increasing rate and the factors influences it was analyzed in detail. The result shows that the rate of increasing velocity may be over 3%, and is hardly affected by bullet mass and explosive charge.

muzzle flow  /  post-effect period  /  projectile acceleration
郭则庆, 姜孝海, 王杨. 后效期火药燃气加速弹丸的数值研究. 高压物理学报, 2012 , 26 (5) : 564 -570 .
Ze-Qing GUO, Xiao-Hai JIANG, Yang WANG. Numerical Investigations on Acceleration of Projectile in Post-Effect Period[J]. Chinese Journal of High Pressure Physics, 2012 , 26 (5) : 564 -570 .
  • 国家自然科学基金(10902052)
  • 重点实验室基金
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2012年第26卷第5期
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  • 接收时间:2011-01-30
  • 首发时间:2026-11-05
  • 出版时间:2012-10-15
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  • 收稿日期:2011-01-30
  • 修回日期:2011-08-08
基金
国家自然科学基金(10902052)
重点实验室基金
作者信息
    南京理工大学瞬态物理国家重点实验室,江苏 南京 210094

通讯作者:

姜孝海(1975—),男,博士,副教授,主要从事兵器发射和工业灾害等研究. E-mail:
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2种不同金属材料的力学参数
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species
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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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