地下岩土的热物性参数是地源热泵地热换热器的设计中所需要的很重要的参数.热物性参数的大小对钻孔的数量及钻孔的深度具有显著的影响,进而影响地源热泵系统的初投资.为了能够在现场测量地下岩土的热物性参数,本文利用一套现场测量设备测量了对地下埋管回路施加的热流与回路中循环水温度随时间的变化,并利用参数估计方法确定地下岩土的热物性参数.
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