Article(id=1317484517879820644, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1317484499731066989, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1005-0329.2025.02.009, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1714147200000, receivedDateStr=2024-04-27, revisedDate=1731686400000, revisedDateStr=2024-11-16, acceptedDate=null, acceptedDateStr=null, onlineDate=1792042386741, onlineDateStr=2026-10-15, pubDate=1740672000000, pubDateStr=2025-02-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792042386741, onlineIssueDateStr=2026-10-15, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792042386741, creator=13701087609, updateTime=1792042386741, updator=13701087609, issue=Issue{id=1317484499731066989, tenantId=1146029695717560320, journalId=1316781260334530699, year='2025', volume='53', issue='2', pageStart='1', pageEnd='118', issueExtLink='null', onlineDate='null', pubDate='1740672000000', pubDateStr='2025-02-28', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1792042382414, creator='13701087609', updateTime=1792143821618, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1317909966665658876, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1317484499731066989, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1317909966665658877, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1317484499731066989, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=65, endPage=73, ext={EN=ArticleExt(id=1317484518060175717, articleId=1317484517879820644, tenantId=1146029695717560320, journalId=1316781260334530699, language=EN, title=The influence of thermal reservoir seepage on the heat exchange performance and stratum temperature recovery in medium-deep borehole exchanger systems, columnId=null, journalTitle=Fluid Machinery, columnName=null, runingTitle=null, highlight=null, articleAbstract=
In order to investigate the impact of thermal reservoir seepage on the heat transfer characteristics of medium-deep borehole heat exchanger (MDBHE), a transient heat transfer model for both the inside and outside of the borehole was established. The finite volume method (FVM) is employed to calculate the transient temperature in different regions inside and outside the borehole, and the results were compared with field test data to validate the accuracy of the proposed model and algorithm. The results show that compared with the condition without geothermal water seepage, the scenario with a thermal reservoir thickness of 400 m and a seepage velocity of 10×10-7 m/s showed an increase of 5.5 ℃ in the temperature difference ΔT between the inlet and outlet of the pipe and a 16.22% improvement in the average energy efficiency coefficient
. Additionally, when the seepage velocity is 10×10-7 m/s and the thermal reservoir thickness increases from 50 to 600 m, the average heat transfer power per unit buried depth
during the heating period rises by 81.92%. Furthermore, with a reservoir thickness of 600 m, the stratum temperature recovery rate during intermittent periods reaches 99.43%. The calculations demonstrated that as the thermal reservoir seepage velocity and the thickness of the thermal reservoir increase, there is a corresponding enhancement in the heat exchange performance of the MDBHE and in the temperature recovery rate of the stratum. These findings provide theoretical support for the efficient operation and practical engineering application of MDBHE in complex geological conditions.
, authors=Wei GU
1, Peide CONG
1, Bo LI
1, Jiuchen MA
2, 3, authorsList=Wei GU, Peide CONG, Bo LI, Jiuchen MA, authorCompany=null, correspAuthors=Peide CONG, 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=1317484518940979566, articleId=1317484517879820644, tenantId=1146029695717560320, journalId=1316781260334530699, language=CN, title=热储层渗流对中深井地埋管系统换热性能及地层温度恢复的影响, columnId=1317484287230853622, journalTitle=流体机械, columnName=设计计算, runingTitle=null, highlight=null, articleAbstract=
为研究地热水渗流过程对于中深井地埋管的传热特性的影响,建立了井孔内外的非稳态传热模型,采用有限体积法(FVM)对井内外不同区域的瞬态温度进行计算,并与现场试验结果进行对比,以验证所提出的模型和算法的准确性。结果表明,与无地热水渗流工况相比,当热储层厚度为400 m,渗流速度为10×10-7 m/s,地埋管的进、出水温差ΔT及平均能效系数
分别提高了5.5 ℃和16.22%;当渗流速度为10×10-7 m/s,热储层厚度由50 m增加至600 m时,供热期平均单位埋深换热量
上升81.92%;热储层厚度为600 m时,间歇期地层温度恢复率达到99.43%;地热水渗流速度和热储层厚度的增加显著提升了中深井地埋管的换热性能和地层温度恢复率。研究结果对中深井地埋管在复杂地质条件下的系统高效运行及实际工程应用提供了理论支撑。
, authors=谷伟
1, 丛培德
1, 李博
1, 马玖辰
2, 3, authorsList=谷伟, 丛培德, 李博, 马玖辰, authorCompany=null, correspAuthors=丛培德, authorNote=
, correspAuthorsNote=
丛培德(1969),男,主要从事地热能等新能源开发及建筑供热、供冷应用,通信地址:300300 天津市河东区卫国道189号天津地热开发有限公司,E-mail:
congpd168@126.com。
, copyrightStatement=
作者向本刊所投稿件一经本刊录用,则该论文的复制权、发行权、信息网络传播权、翻译权、汇编权等权利视为自动转让给本刊。本刊为国内各主要数据库收录期刊,本刊所发表的稿件将同时通过互联网进行网络出版或提供信息服务。, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=S10Oe0LOG1CAXaFUKuqXLw==, magXml=ZIzfpwkSCtXkOiDqS/EoBQ==, pdfUrl=null, pdf=BU335PSv1x2xo8qts8Zj4w==, pdfFileSize=2594384, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=fpF90O2RbE+u63DTKrzKdA==, mapNumber=null, fund=null)}, authors=[Author(id=1317484520958439801, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1317484517879820644, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=guwei4532@126.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1317484521021354363, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1317484517879820644, authorId=1317484520958439801, language=EN, stringName=Wei GU, firstName=Wei, middleName=null, lastName=GU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1天津地热开发有限公司,天津 300300, bio={"content":"
谷伟(1981),男,副总工程师,从事供热行业,涉及暖通、自动化、空气能、地热能等新能源应用及运营,E-mail:guwei4532@126.com。
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谷伟(1981),男,副总工程师,从事供热行业,涉及暖通、自动化、空气能、地热能等新能源应用及运营,E-mail:guwei4532@126.com。
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2Research Center for Efficient Utilization Technology of Geothermal Energy, Tianjin Chengjian University, Tianjin 300384, China
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2天津城建大学 地热高效利用技术研究中心,天津 300384
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