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The operating characteristics of the shallow medium deep coupled heating system during the heating season were analyzed and compared with a single medium deep geothermal cascade utilization heating system and a shallow ground source heat pump system. The results show that the coupled system is superior to a single deep or shallow geothermal heating system in terms of end heat transfer, geothermal return water temperature, heat pump unit COP, and system energy utilization efficiency. The system is more stable and adaptable. The average energy utilization efficiency of the system reaches 0.95, verifying the feasibility of the coupled system operation., authors=Li Meiqing, Li Wenxin, Chen Zhenqian, authorsList=Li Meiqing, Li Wenxin, Chen Zhenqian, authorCompany=College of Energy and Environment, Southeast University, Nanjing 210096, China, 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=1284794272654275093, articleId=1284794272469725716, tenantId=1146029695717560320, journalId=1283840536528293913, language=CN, title=浅-中深层地热梯级利用耦合供暖系统设计及可行性研究, columnId=null, journalTitle=太阳能学报, columnName=null, runingTitle=null, highlight=null, articleAbstract=以夏热冬冷地区某大型公共建筑为研究对象,基于TRNSYS软件搭建浅-中深层地热梯级利用耦合供暖系统仿真模型,分析浅-中深层耦合供暖系统供暖季运行特性,并分别与单一中深层地热梯级利用供暖系统和浅层地源热泵系统比较。结果表明,耦合系统在末端换热量、地热回灌水温度、热泵机组供热性能系数（COP）以及系统能量利用率等方面均优于单一的中深层或浅层地热供暖系统,系统更加稳定、适应性强。系统能量利用率平均值达到0.95,验证了耦合系统的运行可行性。, authors=李媚青, 李文欣, 陈振乾, authorsList=李媚青, 李文欣, 陈振乾, authorCompany=东南大学能源与环境学院,南京 210096, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=u7wj9W5+2gQSEAkazqI+Xg==, pdfFileSize=1896649, 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=江苏省建设厅项目（7603009138; 7603009139）)}, authors=null, keywords=[Keyword(id=1284813646719062691, tenantId=1146029695717560320, journalId=1283840536528293913, 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