Based on a self-developed physical model test system for water and heat coupling,sin-gle tube freezing experiments were conducted on water rich sand layers to study the law of water and heat coupling transport.The experimental results show that during the freezing process,the tempera-ture near the freezing front decreases while the moisture content also decreases.The temperature of the entire area shows symmetry around the freezing tube.During the thawing process,the temperature at the measuring point gradually decreases rapidly,and the water content in the area will sharply rise to its peak in the short term of thawing.
维普
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