Article(id=1282029986563461189, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1282029960869167928, articleNumber=null, orderNo=null, doi=10.16265/j.cnki.issn1003-3033.2025.07.1648, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1739030400000, receivedDateStr=2025-02-09, revisedDate=1744387200000, revisedDateStr=2025-04-12, acceptedDate=null, acceptedDateStr=null, onlineDate=1783589367762, onlineDateStr=2026-07-09, pubDate=1753632000000, pubDateStr=2025-07-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1783589367762, onlineIssueDateStr=2026-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1783589367762, creator=13701087609, updateTime=1783589367762, 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=98, endPage=105, ext={EN=ArticleExt(id=1282029986806730822, articleId=1282029986563461189, tenantId=1146029695717560320, journalId=1146031787341344770, language=EN, title=Differential dynamic patterns of CO2, CH4 and N2 deformation by adsorption-desorption in coal bodies, columnId=1149733269173878863, journalTitle=China Safety Science Journal, columnName=Safety engineering technology, runingTitle=null, highlight=null, articleAbstract=

In order to study the dynamic law and differential response of coal deformation for different gases in the whole process of adsorption-desorption, the deformation test was carried out under the conditions of adsorption-desorption of CO2, CH4 and N2 in primary coal by utilizing the dynamic test platform for adsorption / desorption deformation of coal bodies. The results show that the adsorption strain of each gas changes with time in Langmuir form, and the coal bodies with the strong adsorption gases exhibit larger deformation and faster response. The body strain of different adsorbed gases in the process of desorption decreases with the increase of desorption amount in a nearly linear manner, and the desorption shrinkage of the strong adsorption gas is more significant, but the residual deformation is also larger, and the residual body strain of CO2 is twice that of CH4, and that of CH4 is almost twice that of N2. With the same desorption gas amount, the shrinkage deformation caused by CH4 is the most obvious, and the shrinkage deformation caused by CO2 and N2 is about 1/3 of it. In the whole process of adsorption and desorption, the adsorption strain is anisotropic and changing constantly, and the adsorption strain in the direction perpendicular to the bedding is always larger than that parallel to the bedding. The change of anisotropy coefficient of CO2 is the largest, that of N2 is the next, and that of CH4 is the smallest.

, authors=Fenghua AN1, 2, Yuandong DING2, Yanning DING2, Liguo WANG2, Jun LIU2, authorsList=Fenghua AN, Yuandong DING, Yanning DING, Liguo WANG, Jun LIU, 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=1282029988102770762, articleId=1282029986563461189, tenantId=1146029695717560320, journalId=1146031787341344770, language=CN, title=煤体吸附-解吸CO2、CH4、N2变形特征及差异, columnId=1149733269727526997, journalTitle=中国安全科学学报, columnName=安全工程技术, runingTitle=null, highlight=null, articleAbstract=

为研究煤对不同气体吸附-解吸全过程中变形动态特征及差异响应,利用煤体吸附-解吸变形动态测试试验平台,开展原生煤吸附-解吸CO2、CH4、N2条件下变形测试。结果表明:各气体吸附应变与时间关系呈Langmuir形式变化,强吸附性气体煤体变形量大、响应快;解吸过程中不同吸附气体的体应变均随着解吸量的增加而近似线性减小,强吸附性气体解吸收缩更显著,但是残余变形也更大,CO2残余体应变是CH4的2倍,而CH4几乎是N2的2倍;相同解吸量条件下CH4引起的收缩变形最明显,CO2和N2引起收缩变形为其1/3左右;在吸附-解吸全过程中吸附应变表现出各向异性且不断变化,垂直层理方向吸附应变始终大于平行层理方向,CO2各向异性系数变化最大,N2次之,CH4变化最小。

, authors=安丰华副教授1, 2, 丁远东2, 丁彦宁2, 王立国副教授2, 刘军教授2, authorsList=安丰华副教授, 丁远东, 丁彦宁, 王立国副教授, 刘军教授, authorCompany=null, correspAuthors=null, authorNote=

安丰华(1984—),男,山东临沂人,博士,副教授,主要从事工程安全管理、风险防控等方面的研究。E-mail:

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安丰华(1984—),男,山东临沂人,博士,副教授,主要从事工程安全管理、风险防控等方面的研究。E-mail:

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煤体吸附-解吸CO2、CH4、N2变形特征及差异
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安丰华副教授 1, 2 , 丁远东 2 , 丁彦宁 2 , 王立国副教授 2 , 刘军教授 2
中国安全科学学报 | 安全工程技术 2025,35(7): 98-105
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中国安全科学学报 |安全工程技术 2025 , 35 (7) : 98 -105
煤体吸附-解吸CO2、CH4、N2变形特征及差异
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安丰华(1984—),男,山东临沂人,博士,副教授,主要从事工程安全管理、风险防控等方面的研究。E-mail:

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安丰华(1984—),男,山东临沂人,博士,副教授,主要从事工程安全管理、风险防控等方面的研究。E-mail:

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安丰华副教授1, 2 , 丁远东2, 丁彦宁2, 王立国副教授2, 刘军教授2
作者信息
  • 1中国矿业大学 力学与土木工程学院,江苏 徐州 221116
  • 2河南理工大学 安全科学与工程学院,河南 焦作 454000
作者简介:

安丰华(1984—),男,山东临沂人,博士,副教授,主要从事工程安全管理、风险防控等方面的研究。E-mail:

Differential dynamic patterns of CO2, CH4 and N2 deformation by adsorption-desorption in coal bodies
Fenghua AN1, 2 , Yuandong DING2, Yanning DING2, Liguo WANG2, Jun LIU2
Affiliations
  • 1School of Mechanics and Civil Engineering, China University of Mining and Technology, Xuzhou Jiangsu 221116, China
  • 2School of Safety Science and Engineering, Henan Polytechnic University, Jiaozuo Henan 454000, China
出版时间: 2025-07-28 doi: 10.16265/j.cnki.issn1003-3033.2025.07.1648
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为研究煤对不同气体吸附-解吸全过程中变形动态特征及差异响应,利用煤体吸附-解吸变形动态测试试验平台,开展原生煤吸附-解吸CO2、CH4、N2条件下变形测试。结果表明:各气体吸附应变与时间关系呈Langmuir形式变化,强吸附性气体煤体变形量大、响应快;解吸过程中不同吸附气体的体应变均随着解吸量的增加而近似线性减小,强吸附性气体解吸收缩更显著,但是残余变形也更大,CO2残余体应变是CH4的2倍,而CH4几乎是N2的2倍;相同解吸量条件下CH4引起的收缩变形最明显,CO2和N2引起收缩变形为其1/3左右;在吸附-解吸全过程中吸附应变表现出各向异性且不断变化,垂直层理方向吸附应变始终大于平行层理方向,CO2各向异性系数变化最大,N2次之,CH4变化最小。

吸附-解吸  /  变形特征  /  各向异性  /  解吸量  /  残余变形

In order to study the dynamic law and differential response of coal deformation for different gases in the whole process of adsorption-desorption, the deformation test was carried out under the conditions of adsorption-desorption of CO2, CH4 and N2 in primary coal by utilizing the dynamic test platform for adsorption / desorption deformation of coal bodies. The results show that the adsorption strain of each gas changes with time in Langmuir form, and the coal bodies with the strong adsorption gases exhibit larger deformation and faster response. The body strain of different adsorbed gases in the process of desorption decreases with the increase of desorption amount in a nearly linear manner, and the desorption shrinkage of the strong adsorption gas is more significant, but the residual deformation is also larger, and the residual body strain of CO2 is twice that of CH4, and that of CH4 is almost twice that of N2. With the same desorption gas amount, the shrinkage deformation caused by CH4 is the most obvious, and the shrinkage deformation caused by CO2 and N2 is about 1/3 of it. In the whole process of adsorption and desorption, the adsorption strain is anisotropic and changing constantly, and the adsorption strain in the direction perpendicular to the bedding is always larger than that parallel to the bedding. The change of anisotropy coefficient of CO2 is the largest, that of N2 is the next, and that of CH4 is the smallest.

adsorption-desorption  /  deformation characteristics  /  anisotropy  /  desorption amount  /  residual deformation
安丰华副教授, 丁远东, 丁彦宁, 王立国副教授, 刘军教授. 煤体吸附-解吸CO2、CH4、N2变形特征及差异. 中国安全科学学报, 2025 , 35 (7) : 98 -105 . DOI: 10.16265/j.cnki.issn1003-3033.2025.07.1648
Fenghua AN, Yuandong DING, Yanning DING, Liguo WANG, Jun LIU. Differential dynamic patterns of CO2, CH4 and N2 deformation by adsorption-desorption in coal bodies[J]. China Safety Science Journal, 2025 , 35 (7) : 98 -105 . DOI: 10.16265/j.cnki.issn1003-3033.2025.07.1648
  • 国家自然科学基金面上资助(52474266; 52174172)
  • 河南省自然科学基金资助(232300420076)
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doi: 10.16265/j.cnki.issn1003-3033.2025.07.1648
  • 接收时间:2025-02-09
  • 首发时间:2026-07-09
  • 出版时间:2025-07-28
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  • 收稿日期:2025-02-09
  • 修回日期:2025-04-12
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国家自然科学基金面上资助(52474266; 52174172)
河南省自然科学基金资助(232300420076)
作者信息
    1中国矿业大学 力学与土木工程学院,江苏 徐州 221116
    2河南理工大学 安全科学与工程学院,河南 焦作 454000
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2种不同金属材料的力学参数

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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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