| 天津市某底板下埋管地源热泵系统应用分析 |
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| 引用本文： | 张红玉,蔡建军.天津市某底板下埋管地源热泵系统应用分析[J].建筑节能,2016(7):9-12. |
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| 作者姓名： | 张红玉 蔡建军 |
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| 作者单位： | 天津市房屋鉴定建筑设计院,天津,300100 |
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| 摘 要： | 以天津市某办公楼底板下埋管地源热泵系统为例,结合实际施工情况,通过TRNSYS软件进行模拟计算,分析将地埋管长度从120 m降低为100 m、井间距从4.2 m减小到3.5 m、回填材料由膨润土、水泥和细砂的混合浆调整为中砂后,该系统长期运行对土壤温度场和机组性能系数的影响。
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| 关 键 词： | 底板下埋管地源热泵 TRNSYS模拟 埋管长度 井间距 回填材料 |
Application of a Underfloor Buried-pipe Ground Source Heat Pump System in Tianjin |
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| Abstract: | With the example of the underfloor buried-pipe Ground Source Heat Pump for an office building in Tianjin, considering the practical construction, the TRNSYS is applied to calculate this sys tem. The soil temperature and COP of the system after long -time running are analyzed when the depth of buried-pipes reduced from 120 meters to 100 meters, the well space deceased from 4.2 meters to 3.5 meters, and the backfill material changed from the mixture of bentonite, cement and fine sand to medium sand. |
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| Keywords: | underfloor buried-pipe GSHP TRNSYS simulation depth of buried-pipe well space backfill material |
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