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        1. 暖通空调杂志社>期刊目次>2012年>第11期

          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

          官燕玲[1],孟庆龙[1],江超[1],赵民[2]
          [1]长安大学,[2]中国建筑西北设计研究院

          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-sourceheatpump,rock-soilthermalresponsetest,fullscale3Dnumericalcalculation,temperaturerecovery

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