低温热管地热利用试验及数值模拟

摘要

To solve the soil freezing problem around the pipes for cryogenic fluid, the low temperature heat pipe technology is adopted to effectively utilize geothermal energy: Basing on analyzing the temperature pattern in the soil freezing theoretically, the initial experiment and numerical simulation calculation are introduced. The result of numerical simulation calculation is in general accordance with the experimental data, which could provide reference for solving the practical engineering problems.%采用低温热管技术有效利用地热,可解决输送低温流体埋地管道周围土壤的冻胀问题.对冻土层的温度场进行理论分析,并开展初步试验研究和数值模拟计算,模拟结果与试验值基本一致,为解决工程实际问题提供一定参考.