Article(id=1282029999691645019, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1282029960869167928, articleNumber=null, orderNo=null, doi=10.16265/j.cnki.issn1003-3033.2025.07.1040, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1741363200000, receivedDateStr=2025-03-08, revisedDate=1746979200000, revisedDateStr=2025-05-12, acceptedDate=null, acceptedDateStr=null, onlineDate=1783589370891, onlineDateStr=2026-07-09, pubDate=1753632000000, pubDateStr=2025-07-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1783589370891, onlineIssueDateStr=2026-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1783589370891, creator=13701087609, updateTime=1783589370891, updator=13701087609, issue=Issue{id=1282029960869167928, tenantId=1146029695717560320, journalId=1146031787341344770, year='2025', volume='35', issue='7', pageStart='1', pageEnd='252', issueExtLink='null', onlineDate='null', pubDate='1753632000000', pubDateStr='2025-07-28', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1783589361636, creator='13701087609', updateTime=1783589710614, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1282031424651903975, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1282029960869167928, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1282031424656098280, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1282029960869167928, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=176, endPage=183, ext={EN=ArticleExt(id=1282029999947497564, articleId=1282029999691645019, tenantId=1146029695717560320, journalId=1146031787341344770, language=EN, title=Analysis on hydrogen leakage diffusion characteristics and risks in outdoor multi-story park, columnId=1149733269173878863, journalTitle=China Safety Science Journal, columnName=Safety engineering technology, runingTitle=null, highlight=null, articleAbstract=

The goals of carbon peaking and carbon neutrality support the development of HFCV industry. Safe parking of HFCV in outdoor three-dimensional parking lot is the key to large-scale promotion. Therefore, a scaled-down physical experimental platform was built to investigate the effects of outdoor multi-story parking lot closure conditions (closed, semi-open, open), leakage location, mass flow rate nd aperture on hydrogen diffusion characteristics. The experimental results show that as the opening degree of the outdoor multi-story parking lot increases, and the related indexes of helium at the leakage source rise. For example, when the leakage occurs at the center with a large aperture at the flow rate is 0.18 kg/s, the maximum volume fractions of helium on the first, second, and third floors are 21.3%, 27% and 45.3%, respectively. The corresponding hydrogen volume fractions far exceed the lower explosive limit, posing an extremely high risk of combustion and explosion. With the increase of leakage mass flow, both the volume fraction and pressure of helium increase, and the safety risk increases. There is an obvious positive correlation between leakage mass flow rate of helium and volume fraction and pressure. Under the same degree of openness, helium tends to accumulate in corners, and its diffusion along walls is more efficient than that in open areas. The diffusion process is guided by the spatial boundary, showing a non-uniform diffusion trend. In addition, the larger the pore size, the higher the helium leakage rate.

, authors=Miao TIAN¹, Wei WANG^{**, 2}, Minghai YAN¹, Xinxin LU³, Shixiang TIAN¹, Xiaochun ZHANG⁴, authorsList=Miao TIAN, Wei WANG, Minghai YAN, Xinxin LU, Shixiang TIAN, Xiaochun ZHANG, authorCompany=null, correspAuthors=Wei 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=1282030000597614687, articleId=1282029999691645019, tenantId=1146029695717560320, journalId=1146031787341344770, language=CN, title=室外立体停车场氢泄漏扩散特性及危险性分析, columnId=1149733269727526997, journalTitle=中国安全科学学报, columnName=安全工程技术, runingTitle=null, highlight=null, articleAbstract=

“双碳目标”助力氢燃料电池汽车（HFCV）产业发展，HFCV安全停放于室外立体停车场是规模化推广的关键，为此，搭建缩尺度实体试验平台，研究停车场封闭条件（封闭、半开放、开放）、泄漏位置、质量流量及孔径对氢气扩散特性的影响。结果表明：停车场开放程度增加，泄漏源处氦气相关指标上升，如中央位置大孔径泄漏且流量为0.18 kg/s时，一至三层氦气最大体积分数依次为21.3%、27%、45.3%，对应氢气体积分数已远超爆炸下限，存在极高燃爆风险；泄漏质量流量增加，氦气体积分数和压力上升、安全风险增大，氦气的泄漏质量流量与体积分数、压力存在明显的正相关关系；同等开放程度下，角落易聚集且墙边扩散情况优于空旷地带，并且扩散过程受空间边界引导，呈现出非均匀的扩散态势；孔径越大，氦气泄漏速率越高。

, authors=田苗¹, 王伟副研究员^{**, 2}, 晏明海¹, 路欣欣³, 田世祥副教授¹, 张孝春教授⁴, authorsList=田苗, 王伟副研究员, 晏明海, 路欣欣, 田世祥副教授, 张孝春教授, authorCompany=null, correspAuthors=王伟副研究员, authorNote=, correspAuthorsNote=, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=rYrKv4OhPF+jAn8k3w5SPw==, magXml=e622sBoaKU0HNG1uttWQRA==, pdfUrl=null, pdf=I9SjqMZ5c73c65VJPjIKlQ==, pdfFileSize=2037884, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=IrIrdQ6XXrX1/tQOCQZ2jw==, mapNumber=null, fund=null)}, authors=[Author(id=1282030001629413485, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1282029999691645019, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=tian13668569677@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1282030001725882479, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1282029999691645019, authorId=1282030001629413485, language=EN, stringName=Miao TIAN, firstName=Miao, middleName=null, lastName=TIAN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=¹School of Mining, Guizhou University, Guiyang Guizhou 550025, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1282030001960763504, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1282029999691645019, authorId=1282030001629413485, language=CN, stringName=田苗, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=¹贵州大学 矿业学院，贵州 贵阳 550025, bio={"content":"

田苗（2000—），男，贵州江口人，硕士研究生，研究方向为高压氢泄漏扩散特性及电池储能。E-mail:tian13668569677@163.com。

"}, bioImg=null, bioContent=

田苗（2000—），男，贵州江口人，硕士研究生，研究方向为高压氢泄漏扩散特性及电池储能。E-mail:tian13668569677@163.com。

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