Article(id=1325132852093919515, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1325132844594503961, articleNumber=null, orderNo=null, doi=10.11858/gywlxb.20230682, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1686844800000, receivedDateStr=2023-06-16, revisedDate=1693152000000, revisedDateStr=2023-08-28, acceptedDate=1693152000000, acceptedDateStr=2023-08-28, onlineDate=1793865891717, onlineDateStr=2026-11-05, pubDate=1707062400000, pubDateStr=2024-02-05, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793865891717, onlineIssueDateStr=2026-11-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793865891717, creator=13701087609, updateTime=1793865891717, updator=13701087609, issue=Issue{id=1325132844594503961, tenantId=1146029695717560320, journalId=1255847867265597444, year='2024', volume='38', issue='1', pageStart='1', pageEnd='015202-10', issueExtLink='null', onlineDate='null', pubDate='1707062400000', pubDateStr='2024-02-05', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793865889929, creator='13701087609', updateTime=1793865889929, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=015202-1, endPage=015202-10, ext={EN=ArticleExt(id=1325132854186877212, articleId=1325132852093919515, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=Effect of Various Material Obstacles on the Promoting Explosion of Methane-Hydrogen Premixed Gas, columnId=1256186031087411392, journalTitle=Chinese Journal of High Pressure Physics, columnName=High Pressure Applications, runingTitle=null, highlight=null, articleAbstract=
Three obstacles with different levels of bending strength was selected for experimental research on the impact of hydrogen-methane mixed gas explosions in order to explore the varying environmental hazards of explosion promotion. During the experiment, the images of the flame in the explosion pipeline and the upstream and downstream pressure were collected. Through the analysis of flame images and explosion pressure data, the flow field accelerated by expanding gas after explosion generates eddy currents behind obstacles, and the flow field produces different eddy currents behind obstacles of different materials, which result in the difference of peak flame velocity of gas in the later stage and the difference of explosion overpressure in pipelines. This proves the correlation between the intensity of promoting explosions and the material of obstacles. In the experiments conducted in this paper, there is a proportional relationship between the intensity of promoting explosions and the bending strength of the obstacle. Moreover, after hydrogen was added, the reaction of the gas base was accelerated and the peak explosion pressure in the obstacle pipes of the three materials began to produce obvious differences. It can be concluded that obstacles and rough walls in the environment will affect the gas explosion effect, and the difference is caused by the characteristics of the material itself, and the difference is affected by the combustion rate of the gas itself.
, authors=Yifei JIAO1, Xiaoman XIONG1, Hao REN1, Hongfu MI2, Guoqin HE2
, *, Pin LI1, Xin WEI1, authorsList=Yifei JIAO, Xiaoman XIONG, Hao REN, Hongfu MI, Guoqin HE, Pin LI, Xin WEI, authorCompany=null, correspAuthors=Guoqin HE, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright © 2024 Chinese Journal of High Pressure Physics. All rights reserved., 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=1325132874525057337, articleId=1325132852093919515, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=多种材质障碍物对甲烷-氢气预混燃气的促爆影响, columnId=1256186031326486722, journalTitle=高压物理学报, columnName=高压科学应用, runingTitle=null, highlight=null, articleAbstract=
选取3种不同弯曲强度障碍物进行氢气-甲烷混合气体爆炸影响实验研究,以探究不同环境下的促爆危险性。实验过程中采集爆炸管道内火焰图像以及上下游压力。通过分析火焰图像以及爆炸压力数据后发现,爆炸后膨胀燃气推动流场加速在障碍物后方产生涡流,流场在不同材质障碍物后产生不同的涡流强度,导致燃气后期火焰峰值速度差异以及管道内爆炸超压差异。实验证明了促爆强度与障碍物材质的相关性。在本研究中,促爆强度与障碍物弯曲强度成正比,在氢气加入后,燃气基础反应加快,3种材质障碍物管道内爆炸压力峰值开始产生明显差异。通过上述结果可以得出,环境内障碍物以及粗糙壁面会影响燃气促爆效果,由于材料本身特性影响而产生差异,并且这种差异受燃气自身燃烧速率的影响。
, authors=焦一飞1, 熊晓曼1, 任昊1, 米红甫2, 何国钦2
, *, 李品1, 魏鑫1, authorsList=焦一飞, 熊晓曼, 任昊, 米红甫, 何国钦, 李品, 魏鑫, authorCompany=null, correspAuthors=何国钦, authorNote=
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, copyrightStatement=版权所有©《高压物理学报》编辑部 2024, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=8wYJvytGYiF3x/BFLkyhLA==, magXml=1bRrpKe9A33q6A8lbpOdWg==, pdfUrl=null, pdf=rZ15GzljtpVH5XWoXITWBw==, pdfFileSize=5239537, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=VM137iCqJPaEh9/KKkNPng==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=TSvaCAGPPZHWwRIkqcLufQ==, mapNumber=null, fund=null)}, authors=[Author(id=1325132879189123395, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325132852093919515, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=yifeijiao@hotmail.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1325132879902155077, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325132852093919515, authorId=1325132879189123395, language=EN, stringName=Yifei JIAO, firstName=Yifei, middleName=null, lastName=JIAO, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=1, address=
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焦一飞(1985-),男,硕士,高级工程师,主要从事输变电工程变电土建、消防专项评审及相关研究. E-mail:yifeijiao@hotmail.com
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焦一飞(1985-),男,硕士,高级工程师,主要从事输变电工程变电土建、消防专项评审及相关研究. E-mail:yifeijiao@hotmail.com
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Schematic diagram of experimental system, figureFileSmall=tZbAr8xI38WfzTOpWjbA1g==, figureFileBig=VM137iCqJPaEh9/KKkNPng==, tableContent=null), ArticleFig(id=1325132904199758198, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325132852093919515, language=CN, label=图1, caption=
实验系统示意图, figureFileSmall=tZbAr8xI38WfzTOpWjbA1g==, figureFileBig=VM137iCqJPaEh9/KKkNPng==, tableContent=null), ArticleFig(id=1325132908285010295, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325132852093919515, language=EN, label=Fig. 2, caption=
Three types of obstacle:rigid obstacle,flexible obstacle A and flexible obstacle B, figureFileSmall=f3QzTKt4o1znR697RcLnrw==, figureFileBig=0m+2bHoYY+aDdSAo1nLIlA==, tableContent=null), ArticleFig(id=1325132908855435640, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325132852093919515, language=CN, label=图2, caption=
3种障碍物:刚性障碍物、柔性障碍物A和柔性障碍物B, figureFileSmall=f3QzTKt4o1znR697RcLnrw==, figureFileBig=0m+2bHoYY+aDdSAo1nLIlA==, tableContent=null), ArticleFig(id=1325132909568467321, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325132852093919515, language=EN, label=Fig. 3, caption=
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管道内火焰图像($\varphi_{{\mathrm{H}}_2} $=0), figureFileSmall=K3DMraxJRyzRKQVq5RTJ8Q==, figureFileBig=MhFjPXUl28ZWTCIIpOp8HA==, tableContent=null), ArticleFig(id=1325132911778865532, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325132852093919515, language=EN, label=Fig. 4, caption=
Images of flame in pipeline ($\varphi_{{\mathrm{H}}_2} $=10%), figureFileSmall=0FysdZng83h4lBgj0dA89A==, figureFileBig=7U6k08mTSchishjm8jxE3g==, tableContent=null), ArticleFig(id=1325132912575783293, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325132852093919515, language=CN, label=图4, caption=
管道内火焰图像($\varphi_{{\mathrm{H}}_2} $=10%), figureFileSmall=0FysdZng83h4lBgj0dA89A==, figureFileBig=7U6k08mTSchishjm8jxE3g==, tableContent=null), ArticleFig(id=1325132913418838399, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325132852093919515, language=EN, label=Fig. 5, caption=
Images of flame in pipeline ($\varphi_{{\mathrm{H}}_2} $=20%), figureFileSmall=ZCy1LdugY/iHj2AgGiSKNw==, figureFileBig=ECNz81M+awc+PSEx1aG2mA==, tableContent=null), ArticleFig(id=1325132913943126400, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325132852093919515, language=CN, label=图5, caption=
管道内火焰图像($\varphi_{{\mathrm{H}}_2} $=20%), figureFileSmall=ZCy1LdugY/iHj2AgGiSKNw==, figureFileBig=ECNz81M+awc+PSEx1aG2mA==, tableContent=null), ArticleFig(id=1325132915063005569, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325132852093919515, language=EN, label=Fig. 6, caption=
Images of flame in pipeline ($\varphi_{{\mathrm{H}}_2} $=30%), figureFileSmall=Ue0NfaJTR3HOVAZkUPoSKw==, figureFileBig=rgi7b1gC5QuxpzhLhUvAwg==, tableContent=null), ArticleFig(id=1325132916820418947, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325132852093919515, language=CN, label=图6, caption=
管道内火焰图像($\varphi_{{\mathrm{H}}_2} $=30%), figureFileSmall=Ue0NfaJTR3HOVAZkUPoSKw==, figureFileBig=rgi7b1gC5QuxpzhLhUvAwg==, tableContent=null), ArticleFig(id=1325132917558616452, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325132852093919515, language=EN, label=Fig. 7, caption=
Curves of flame front velocity-position, figureFileSmall=Pfae8j5euUaw5ROUeJetQw==, figureFileBig=ytU9L8n5rU7olRlkpibE/g==, tableContent=null), ArticleFig(id=1325132918011601285, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325132852093919515, language=CN, label=图7, caption=
火焰锋面速度-位置曲线, figureFileSmall=Pfae8j5euUaw5ROUeJetQw==, figureFileBig=ytU9L8n5rU7olRlkpibE/g==, tableContent=null), ArticleFig(id=1325132918166790534, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325132852093919515, language=EN, label=Fig. 8, caption=
Curves of flame front velocity-position, figureFileSmall=MTacl0W4iY8TEZe6HD4X1Q==, figureFileBig=YXADVjUenPIj8YJgT/DSzg==, tableContent=null), ArticleFig(id=1325132918498140551, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325132852093919515, language=CN, label=图8, caption=
火焰锋面的速度-位置曲线, figureFileSmall=MTacl0W4iY8TEZe6HD4X1Q==, figureFileBig=YXADVjUenPIj8YJgT/DSzg==, tableContent=null), ArticleFig(id=1325132919357972872, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325132852093919515, language=EN, label=Fig. 9, caption=
Pipeline upstream pressure-time curves of $\varphi_{{\mathrm{H}}_2} $=0, figureFileSmall=evAaq3Q0uz1IGIJ4ewFWqg==, figureFileBig=Y3jB8cNVosjg0qflAWtHXw==, tableContent=null), ArticleFig(id=1325132921421570441, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325132852093919515, language=CN, label=图9, caption=
$\varphi_{{\mathrm{H}}_2} $=0时管道内上游的压力-时间曲线, figureFileSmall=evAaq3Q0uz1IGIJ4ewFWqg==, figureFileBig=Y3jB8cNVosjg0qflAWtHXw==, tableContent=null), ArticleFig(id=1325132922432397706, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325132852093919515, language=EN, label=Fig. 10, caption=
Pipeline downstream pressure-time curves of $\varphi_{{\mathrm{H}}_2} $=0, figureFileSmall=FA3H02seUD8myMicv0NT6A==, figureFileBig=0PHu7EL1tGPEPstUz2Gr2A==, tableContent=null), ArticleFig(id=1325132923229315468, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325132852093919515, language=CN, label=图10, caption=
$\varphi_{{\mathrm{H}}_2} $=0时管道内下游压力-时间曲线, figureFileSmall=FA3H02seUD8myMicv0NT6A==, figureFileBig=0PHu7EL1tGPEPstUz2Gr2A==, tableContent=null), ArticleFig(id=1325132923862655374, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325132852093919515, language=EN, label=Fig. 11, caption=
Upstream pressure peak-hydrogen volume fraction curves in pipeline, figureFileSmall=BvBm3Nr4I3WJP70irHj//A==, figureFileBig=zWiNaGP2tyPBIwKNUA57vg==, tableContent=null), ArticleFig(id=1325132925959807376, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325132852093919515, language=CN, label=图11, caption=
管道内上游的压力峰值-氢气体积分数曲线, figureFileSmall=BvBm3Nr4I3WJP70irHj//A==, figureFileBig=zWiNaGP2tyPBIwKNUA57vg==, tableContent=null), ArticleFig(id=1325132926505066898, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325132852093919515, language=EN, label=Fig. 12, caption=
Downstream pressure peak-hydrogen volume fraction curves in pipeline, figureFileSmall=UZ1ysCi5dKDeTv69T3dtBg==, figureFileBig=VeDwBDzuJcuXVzVgd5iziw==, tableContent=null), ArticleFig(id=1325132927197127059, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325132852093919515, language=CN, label=图12, caption=
管道内下游的压力峰值-氢气体积分数曲线, figureFileSmall=UZ1ysCi5dKDeTv69T3dtBg==, figureFileBig=VeDwBDzuJcuXVzVgd5iziw==, tableContent=null), ArticleFig(id=1325132928086319508, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325132852093919515, language=EN, label=Table 1, caption=
Premixed gas components, figureFileSmall=null, figureFileBig=null, tableContent=
| ${\varphi _{{{\mathrm{H}}_2}}} $/% | ${\varPhi _{{{\mathrm{H}}_2}}} $/% | ${\varPhi _{{{\mathrm{CH}}_4}}} $/% | $\varPhi _{{\mathrm{Air}}}$/% |
|---|
| 0 | 0 | 9.50 | 90.50 |
| 10 | 1.02 | 9.18 | 89.80 |
| 20 | 2.20 | 8.80 | 89.00 |
| 30 | 3.58 | 8.53 | 88.07 |
), ArticleFig(id=1325132928417669525, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325132852093919515, language=CN, label=表1, caption=
预混气体的组分
, figureFileSmall=null, figureFileBig=null, tableContent=
| ${\varphi _{{{\mathrm{H}}_2}}} $/% | ${\varPhi _{{{\mathrm{H}}_2}}} $/% | ${\varPhi _{{{\mathrm{CH}}_4}}} $/% | $\varPhi _{{\mathrm{Air}}}$/% |
|---|
| 0 | 0 | 9.50 | 90.50 |
| 10 | 1.02 | 9.18 | 89.80 |
| 20 | 2.20 | 8.80 | 89.00 |
| 30 | 3.58 | 8.53 | 88.07 |
), ArticleFig(id=1325132930170888601, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325132852093919515, language=EN, label=Table 2, caption=
Obstacle parameter, figureFileSmall=null, figureFileBig=null, tableContent=
| Obstacle | Material | Dimensions | Mean density/(g·cm−3) | Average elastic modulus/MPa |
|---|
| Rigid obstacle | Polymethyl methacrylate | 100 mm×10 mm×30 mm | 1.190 | 2800.0 |
| Flexible obstacle A | Foamed silicone gel | 1.920 | 31.3 |
| Flexible obstacle B | Polyurethane foam | 0.699 | 7.4 |
), ArticleFig(id=1325132930972000666, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325132852093919515, language=CN, label=表2, caption=
障碍物参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| Obstacle | Material | Dimensions | Mean density/(g·cm−3) | Average elastic modulus/MPa |
|---|
| Rigid obstacle | Polymethyl methacrylate | 100 mm×10 mm×30 mm | 1.190 | 2800.0 |
| Flexible obstacle A | Foamed silicone gel | 1.920 | 31.3 |
| Flexible obstacle B | Polyurethane foam | 0.699 | 7.4 |
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