Article(id=1322943422490882891, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1322943296305247200, 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=1208793600000, receivedDateStr=2008-04-22, revisedDate=1220976000000, revisedDateStr=2008-09-10, acceptedDate=null, acceptedDateStr=null, onlineDate=1793343891022, onlineDateStr=2026-10-30, pubDate=1239724800000, pubDateStr=2009-04-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793343891022, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793343891022, creator=13701087609, updateTime=1793343891022, updator=13701087609, issue=Issue{id=1322943296305247200, tenantId=1146029695717560320, journalId=1255847867265597444, year='2009', volume='23', issue='2', pageStart='81', pageEnd='160', issueExtLink='null', onlineDate='null', pubDate='1239724800000', pubDateStr='2009-04-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793343860936, creator='13701087609', updateTime=1793343860936, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=143, endPage=149, ext={EN=ArticleExt(id=1322943422629294925, articleId=1322943422490882891, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=Equation of State of Detonation Products for PETN Explosive, columnId=null, journalTitle=Chinese Journal of High Pressure Physics, columnName=null, runingTitle=null, highlight=null, articleAbstract=

The equation of state of detonation gas products is described by Ross's modification of hard-sphere variation theory and the improved one-fluid van der Waals mixture model. The Gibbs free energy of dissociated carbon is calculated for the most probable state, which is determined by distinguishing the following four states of carbon: graphite, diamond, graphitelike and diamondlike. The equilibrium compositions of detonation products are calculated by solving chemical equilibrium equations based on minimizing free energy. The detonation properties at CJ point of PETN explosives are calculated with this theory and the results show satisfactory agreement with the experimental data. We have also compared the adiabatic expansion from the CJ point calculated with the present theory and JWL equation. The adiabatic gamma decreases in the present theory but exhibits “double peak” in JWL equation. We suggest that “double peak” in JWL equation is made by the equation form itself and it doesn't correspond with actual physical process.

, authors=Yan-Hong ZHAO, Hai-Feng LIU, Gong-Mu ZHANG, authorsList=Yan-Hong ZHAO, Hai-Feng LIU, Gong-Mu ZHANG, 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=1322943422818038606, articleId=1322943422490882891, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=PETN炸药爆轰产物状态方程的理论研究, columnId=null, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

采用van der Waals等效单组分流体模型和Ross硬球微扰理论软球修正模型,计算爆轰气相产物的状态方程;用石墨相、金刚石相、类石墨液相和类金刚石液相4种相态描述凝聚成分,由Gibbs自由能最小原理确定不同状态下的凝聚产物相态。对爆轰产物混合系统采用自由能最小原理,通过化学平衡方程组求解炸药爆轰产物系统的平衡组分。使用该理论计算PETN炸药Chapman-Jouguet(CJ)点的爆轰参数,其值与实验值符合得很好;同时计算了以CJ点为起始点的等熵卸载线,并与传统的Jones-Wilkins-Lee(JWL)状态方程的计算结果进行比较,发现计算的γ值是单调递减的,而JWL状态方程计算的γ值却出现了“双峰”现象。分析认为,传统的JWL状态方程给出的“双峰”变化,是由其函数形式自身决定的,并不对应实际物理过程。

, authors=赵艳红, 刘海风, 张弓木, authorsList=赵艳红, 刘海风, 张弓木, authorCompany=null, correspAuthors=null, authorNote=

赵艳红(1977—),女,硕士,助理研究员,主要从事状态方程的理论研究. E-mail:

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赵艳红(1977—),女,硕士,助理研究员,主要从事状态方程的理论研究. E-mail:

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赵艳红(1977—),女,硕士,助理研究员,主要从事状态方程的理论研究. E-mail:

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PETN炸药爆轰产物状态方程的理论研究
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赵艳红 , 刘海风 , 张弓木
高压物理学报 | 2009,23(2): 143-149
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高压物理学报 | 2009 , 23 (2) : 143 -149
PETN炸药爆轰产物状态方程的理论研究
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赵艳红 , 刘海风, 张弓木
作者信息
  • 北京应用物理与计算数学研究所,北京 100088
作者简介:

赵艳红(1977—),女,硕士,助理研究员,主要从事状态方程的理论研究. E-mail:

Equation of State of Detonation Products for PETN Explosive
Yan-Hong ZHAO , Hai-Feng LIU, Gong-Mu ZHANG
Affiliations
  • Institute of Applied Physics and Computational Mathematics, Beijing 100088, China
出版时间: 2009-04-15
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采用van der Waals等效单组分流体模型和Ross硬球微扰理论软球修正模型,计算爆轰气相产物的状态方程;用石墨相、金刚石相、类石墨液相和类金刚石液相4种相态描述凝聚成分,由Gibbs自由能最小原理确定不同状态下的凝聚产物相态。对爆轰产物混合系统采用自由能最小原理,通过化学平衡方程组求解炸药爆轰产物系统的平衡组分。使用该理论计算PETN炸药Chapman-Jouguet(CJ)点的爆轰参数,其值与实验值符合得很好;同时计算了以CJ点为起始点的等熵卸载线,并与传统的Jones-Wilkins-Lee(JWL)状态方程的计算结果进行比较,发现计算的γ值是单调递减的,而JWL状态方程计算的γ值却出现了“双峰”现象。分析认为,传统的JWL状态方程给出的“双峰”变化,是由其函数形式自身决定的,并不对应实际物理过程。

爆轰产物  /  状态方程  /  化学平衡方程组

The equation of state of detonation gas products is described by Ross's modification of hard-sphere variation theory and the improved one-fluid van der Waals mixture model. The Gibbs free energy of dissociated carbon is calculated for the most probable state, which is determined by distinguishing the following four states of carbon: graphite, diamond, graphitelike and diamondlike. The equilibrium compositions of detonation products are calculated by solving chemical equilibrium equations based on minimizing free energy. The detonation properties at CJ point of PETN explosives are calculated with this theory and the results show satisfactory agreement with the experimental data. We have also compared the adiabatic expansion from the CJ point calculated with the present theory and JWL equation. The adiabatic gamma decreases in the present theory but exhibits “double peak” in JWL equation. We suggest that “double peak” in JWL equation is made by the equation form itself and it doesn't correspond with actual physical process.

detonation products  /  equation of state  /  chemical equilibrium equations
赵艳红, 刘海风, 张弓木. PETN炸药爆轰产物状态方程的理论研究. 高压物理学报, 2009 , 23 (2) : 143 -149 .
Yan-Hong ZHAO, Hai-Feng LIU, Gong-Mu ZHANG. Equation of State of Detonation Products for PETN Explosive[J]. Chinese Journal of High Pressure Physics, 2009 , 23 (2) : 143 -149 .
  • 中国工程物理研究院科学技术发展基金(2008B0201019)
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2009年第23卷第2期
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  • 接收时间:2008-04-22
  • 首发时间:2026-10-30
  • 出版时间:2009-04-15
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  • 收稿日期:2008-04-22
  • 修回日期:2008-09-10
基金
中国工程物理研究院科学技术发展基金(2008B0201019)
作者信息
    北京应用物理与计算数学研究所,北京 100088
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