Article(id=1281616710461535111, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1281616655499366465, articleNumber=null, orderNo=null, doi=10.16265/j.cnki.issn1003-3033.2026.02.0582, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1759075200000, receivedDateStr=2025-09-29, revisedDate=1764691200000, revisedDateStr=2025-12-03, acceptedDate=null, acceptedDateStr=null, onlineDate=1783490835061, onlineDateStr=2026-07-08, pubDate=1772208000000, pubDateStr=2026-02-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1783490835061, onlineIssueDateStr=2026-07-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1783490835060, creator=13701087609, updateTime=1783490835060, updator=13701087609, issue=Issue{id=1281616655499366465, tenantId=1146029695717560320, journalId=1146031787341344770, year='2026', volume='36', issue='2', pageStart='1', pageEnd='270', issueExtLink='null', onlineDate='null', pubDate='1772208000000', pubDateStr='2026-02-28', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1783490821957, creator='13701087609', updateTime=1783588693138, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1282027157069218127, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1281616655499366465, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1282027157069218128, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1281616655499366465, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=189, endPage=198, ext={EN=ArticleExt(id=1281616710637695880, articleId=1281616710461535111, tenantId=1146029695717560320, journalId=1146031787341344770, language=EN, title=Effects of particle morphology on transient dispersion and explosion flame propagation of aluminum powder, columnId=1277328338121261909, journalTitle=China Safety Science Journal, columnName=Public Safety and Emergency Management, runingTitle=null, highlight=null, articleAbstract=

To investigate the influence of particle morphology on the explosion characteristics of aluminum powder, spherical aluminum powder (SAP) and flake aluminum powder (FAP) were selected as research subjects. By combining particle image velocimetry with vertical duct explosion experiments, the effects of particle morphology on transient dispersion behavior and flame propagation characteristics were systematically analyzed. The results show that FAP, due to its larger specific surface area and the asymmetric geometry, exhibits stronger suspension capability and turbulence-inducing effects, leading to a more uniform dispersion state under the same mass concentration. Influenced by enhanced turbulence, increased particle population in the critical ignition zone, and greater suspension stability, FAP demonstrates faster ignition response and significantly promoted flame front wrinkling. At a concentration of 350 g/m3, its flame propagation velocity reaches 44.1 m/s, which is 32.8% higher than that of SAP. In contrast, SAP tends to form localized high-mass concentration regions due to agglomeration, resulting in a white overexposure area accounting for 98.6% during the explosion, indicating a more concentrated heat release behavior.

, authors=Dongyang QIU, Xianfeng CHEN, Lijuan LIU, Chuyuan HUANG, Jun WANG**, Xuxu SUN, authorsList=Dongyang QIU, Xianfeng CHEN, Lijuan LIU, Chuyuan HUANG, Jun WANG, Xuxu SUN, authorCompany=null, correspAuthors=Jun WANG, 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=1281616710851605385, articleId=1281616710461535111, tenantId=1146029695717560320, journalId=1146031787341344770, language=CN, title=颗粒形貌对铝粉瞬态弥散与爆炸火焰的影响研究, columnId=1277328338280645463, journalTitle=中国安全科学学报, columnName=公共安全与应急管理, runingTitle=null, highlight=null, articleAbstract=

为探究颗粒形貌对铝粉爆炸特性的影响,以球形铝粉(SAP)和片状铝粉(FAP)为研究对象,结合粒子图像测速系统和竖直管道爆炸试验,系统分析颗粒形貌对瞬态弥散行为和爆炸火焰传播的作用。结果表明:FAP因其较大的比表面积与非对称几何结构,表现出更强的滞空能力和湍流扰动效应,在相同质量浓度下形成更均匀的弥散状态;受湍流增强、关键点火区域粒子数提升及悬浮稳定性等因素影响,FAP点火响应更快,显著促进火焰前缘皱褶发展,在350 g/m3条件下的火焰传播速度达44.1 m/s,较SAP提高32.8%;而SAP因局部团聚形成高质量浓度区,其爆炸过程中白色过曝面积占比为98.6%,反映出更集中的热释放行为。

, authors=邱东阳, 陈先锋教授, 刘丽娟教授, 黄楚原副教授, 王珺副教授**, 孙绪绪教授, authorsList=邱东阳, 陈先锋教授, 刘丽娟教授, 黄楚原副教授, 王珺副教授, 孙绪绪教授, authorCompany=null, correspAuthors=王珺副教授, authorNote=

邱东阳(1997—),男,湖南怀化人,博士研究生,研究方向为可燃粉尘爆炸防治等。E-mail:

, correspAuthorsNote=
** 王珺(1982—),女,湖北黄冈人,硕士,副教授,主要从事安全应急管理及国防科研管理方面的研究。E-mail:
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邱东阳(1997—),男,湖南怀化人,博士研究生,研究方向为可燃粉尘爆炸防治等。E-mail:

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邱东阳(1997—),男,湖南怀化人,博士研究生,研究方向为可燃粉尘爆炸防治等。E-mail:

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颗粒形貌对铝粉瞬态弥散与爆炸火焰的影响研究
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邱东阳 , 陈先锋教授 , 刘丽娟教授 , 黄楚原副教授 , 王珺副教授 ** , 孙绪绪教授
中国安全科学学报 | 公共安全与应急管理 2026,36(2): 189-198
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中国安全科学学报 |公共安全与应急管理 2026 , 36 (2) : 189 -198
颗粒形貌对铝粉瞬态弥散与爆炸火焰的影响研究
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邱东阳 , 陈先锋教授, 刘丽娟教授, 黄楚原副教授, 王珺副教授** , 孙绪绪教授
作者信息
  • 武汉理工大学 安全科学与应急管理学院,湖北 武汉 430070
通讯作者:
** 王珺(1982—),女,湖北黄冈人,硕士,副教授,主要从事安全应急管理及国防科研管理方面的研究。E-mail:
作者简介:

邱东阳(1997—),男,湖南怀化人,博士研究生,研究方向为可燃粉尘爆炸防治等。E-mail:

Effects of particle morphology on transient dispersion and explosion flame propagation of aluminum powder
Dongyang QIU , Xianfeng CHEN, Lijuan LIU, Chuyuan HUANG, Jun WANG** , Xuxu SUN
Affiliations
  • School of Safety Science and Emergency Management, Wuhan University of Technology, Wuhan Hubei 430070, China
出版时间: 2026-02-28 doi: 10.16265/j.cnki.issn1003-3033.2026.02.0582
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为探究颗粒形貌对铝粉爆炸特性的影响,以球形铝粉(SAP)和片状铝粉(FAP)为研究对象,结合粒子图像测速系统和竖直管道爆炸试验,系统分析颗粒形貌对瞬态弥散行为和爆炸火焰传播的作用。结果表明:FAP因其较大的比表面积与非对称几何结构,表现出更强的滞空能力和湍流扰动效应,在相同质量浓度下形成更均匀的弥散状态;受湍流增强、关键点火区域粒子数提升及悬浮稳定性等因素影响,FAP点火响应更快,显著促进火焰前缘皱褶发展,在350 g/m3条件下的火焰传播速度达44.1 m/s,较SAP提高32.8%;而SAP因局部团聚形成高质量浓度区,其爆炸过程中白色过曝面积占比为98.6%,反映出更集中的热释放行为。

铝粉  /  颗粒形貌  /  瞬态弥散  /  湍流强度  /  爆炸火焰

To investigate the influence of particle morphology on the explosion characteristics of aluminum powder, spherical aluminum powder (SAP) and flake aluminum powder (FAP) were selected as research subjects. By combining particle image velocimetry with vertical duct explosion experiments, the effects of particle morphology on transient dispersion behavior and flame propagation characteristics were systematically analyzed. The results show that FAP, due to its larger specific surface area and the asymmetric geometry, exhibits stronger suspension capability and turbulence-inducing effects, leading to a more uniform dispersion state under the same mass concentration. Influenced by enhanced turbulence, increased particle population in the critical ignition zone, and greater suspension stability, FAP demonstrates faster ignition response and significantly promoted flame front wrinkling. At a concentration of 350 g/m3, its flame propagation velocity reaches 44.1 m/s, which is 32.8% higher than that of SAP. In contrast, SAP tends to form localized high-mass concentration regions due to agglomeration, resulting in a white overexposure area accounting for 98.6% during the explosion, indicating a more concentrated heat release behavior.

aluminum powder  /  particle morphology  /  transient dispersion  /  turbulence intensity  /  explosion flame
邱东阳, 陈先锋教授, 刘丽娟教授, 黄楚原副教授, 王珺副教授, 孙绪绪教授. 颗粒形貌对铝粉瞬态弥散与爆炸火焰的影响研究. 中国安全科学学报, 2026 , 36 (2) : 189 -198 . DOI: 10.16265/j.cnki.issn1003-3033.2026.02.0582
Dongyang QIU, Xianfeng CHEN, Lijuan LIU, Chuyuan HUANG, Jun WANG, Xuxu SUN. Effects of particle morphology on transient dispersion and explosion flame propagation of aluminum powder[J]. China Safety Science Journal, 2026 , 36 (2) : 189 -198 . DOI: 10.16265/j.cnki.issn1003-3033.2026.02.0582
  • 国家自然科学基金资助(12302443)
  • 广东省自然科学基金资助(2023A1515012080)
  • 湖北省技术创新专项项目(2022BEC024)
  • 湖北省创新群体项目(2023AFA013)
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2026年第36卷第2期
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doi: 10.16265/j.cnki.issn1003-3033.2026.02.0582
  • 接收时间:2025-09-29
  • 首发时间:2026-07-08
  • 出版时间:2026-02-28
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  • 收稿日期:2025-09-29
  • 修回日期:2025-12-03
基金
国家自然科学基金资助(12302443)
广东省自然科学基金资助(2023A1515012080)
湖北省技术创新专项项目(2022BEC024)
湖北省创新群体项目(2023AFA013)
作者信息
    武汉理工大学 安全科学与应急管理学院,湖北 武汉 430070

通讯作者:

** 王珺(1982—),女,湖北黄冈人,硕士,副教授,主要从事安全应急管理及国防科研管理方面的研究。E-mail:
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

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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