地埋管地源热泵岩土热响应试验相关技术全尺寸三维数值分析
Full scale 3D numerical analysis for rock-soil heat response test related techniques to ground-source heat pumps
摘要：
结合试验数据，建立了地埋管地源热泵岩土热响应试验的全尺寸三维数值计算模型，并进行了试验验证。对岩土热响应试验中的相关技术问题进行了研究，结果表明，用放热或取热不同的方法进行热响应试验，其结果基本相同；舍去岩土热响应试验初始时刻的值对计算结果没有明显的改善；停止加热后，地埋管周围岩土的温度恢复主要集中在前2 d。
关键词：地埋管地源热泵,岩土热响应试验,全尺寸三维数值计算,温度恢复
Abstract：
With the testing data, establishes a full scale 3D numerical calculation model for rock-soil thermal response test, and verifies the model by testing. Studies several technical problems related to rock-soil heat response test, the results show that the results are basically consistent between the heat release test and heat removal test; deleting the value at initial time improves the results insignificantly; the recovery of temperature of the rock-soil surrounding buried pipe after stopping heating is mainly in the first two days.
Keywords:ground-source heat pump, rock-soil thermal response test, full scale 3D numerical calculation, temperature recovery