冷热负荷非平衡地区土壤源热泵土壤热失衡研究现状及其关键问题  

Research Status and Key Problem of Underground Thermal Unbalance of Ground Coupled Heat Pump Operated in Districts with Unbalanced Cooling and Heating Load

作　　者：杨卫波 张苏苏 

机构地区：[1]扬州大学,江苏扬州225127

出　　处：《流体机械》2014年第1期80-87,共8页Fluid Machinery

基　　金：住房与城乡建设部科技计划资助项目(2008-K1-26);江苏省科技支撑计划资助项目(BE2010699);江苏省政府留学基金资助项目(2010年度);广西建筑新能源与节能重点实验室(桂林理工大学)开放基金(11-03-21-15);扬州大学"新世纪人才工程"优秀青年骨干教师计划资助项目(2008年度);扬州大学科技创新培育基金项目(2012CXJ047)

摘　　要：土壤热失衡是土壤源热泵在冷热负荷非平衡地区应用中出现的一种常见问题,是影响其长期高效稳定运行及正确推广与健康发展的关键。本文在阐述土壤热失衡概念、由来及其危害的基础上,详细分析了土壤热失衡问题的国内外研究现状,提出了其设计方案,并给出了土壤热失衡控制中有待解决的关键问题,可为土壤源热泵的相关研究及其实际应用提供参考。Underground thermal imbalance is a common problem in ground coupled heat pump （ GCHP） system operated in dis-tricts with unbalanced cooling and heating load , and become a critical problem for the long term efficient operation of GCHP sys-tem and its correct spread and development .Based on the analysis of concept , causes and possible endanger of underground ther-mal imbalance , the research status of underground thermal imbalance at home and abroad were analyzed in detail .The design schemes for soling the underground thermal imbalance were presented , and the key problem in controlling underground thermal imbalance were pointed out .This can provide a guide for related research and application of GCHP .

关 键 词：冷热负荷非平衡地区 土壤源热泵 土壤热失衡 关键问题 

分 类 号：TH3[机械工程—机械制造及自动化] TQ051.5[化学工程]