研究不同热源温度下水蒸气对土壤热湿迁移规律的影响,对土壤储热和地源热泵技术的应用具有重要意义。为此,利用Hydrus-1D软件构建一维非饱和土壤水—汽—热耦合迁移数值模型,模拟研究了不同热源温度下砂土在水蒸气影响下的迁移变化规律。结果表明,对土壤热量迁移,考虑到水蒸气迁移可使热源影响半径由60 cm增大到78 cm
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