地埋管地源热泵换热区原始地温特征分析
孙婉,周念清,高世轩,魏静
摘要(Abstract):
浅部土层原始地温作为地埋管地源热泵系统设计的重要参数之一,得到了设计施工单位的广泛关注。本文通过对地埋管地源热泵工程换热区原始地温进行为期1年的监测,根据监测数据对实验场原始地温垂向分布带进行了划分,总结分析了实验场不同深度土层原始地温变化特征,并拟合了2 m及5 m深度地温变化曲线公式,为场区地源热泵系统设计提供参考依据。
关键词(KeyWords): 地埋管地源热泵;原始地温;地温垂向分布带;地温变化曲线公式
基金项目(Foundation): 浅层地热能建筑应用监测系统研究与示范(13dz1203101)
作者(Author): 孙婉,周念清,高世轩,魏静
参考文献(References):
- [1]GB 50366-2005,地源热泵系统工程技术规范[S].
- [2]Li Shuhong,Yang Weihua,Zhang Xiaosong.Soil temperature distribution around a U-tube heat exchanger in a multi-function ground source heat pump system[J].Applied Thermal Engineering,2009,(29):3679-3686.
- [3]闫晓娜,谈莹莹,王雨.地源热泵U型埋管土壤温度场数值模拟[J].制冷与空调,2009,23(2):37-41.
- [4]Popiel C O,Wojtkowiak J,Biernacka B.Measurements of temperature distribution in ground[J].Experimental Thermal and Fluid Science,2001,(25):301-309.
- [5]Mihalakakou G.On estimating soil surface temperature profiles[J].Energy and Buildings,2002,(34):251-259.
- [6]Hariharan G,Kannan K,Sharma K R.Haarwavelet in estimating depth profile of soil temperature[J].Applied Mathematics and Computation,2009,210:119-125.
- [7]Chowa T T,Long H,Mok H Y,et al.Estimation of soil temperature profile in Hong Kong from climatic variables[J].Energy and Buildings,2011,(43):3568-3575.
- [8]王华军,齐承英.地下热响应实验中土壤初始温度的探讨[J].暖通空调,2010,40(1):95-98.
- [9]Baggs S A.Remote prediction of ground temperature in Australian soils and mapping its distribution[J].Solar Energy,1983,(30):351-366.
- [10]Baggs S A.Australian Earth-Covered Building[M].New South Wales:New Sound Wales University Press,1991,154-173.