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Impact of Freezing and Thawing on Energy Exchange Betweenthe System and Environment
Author(s): 
Pages: 109-115
Year: Issue:  2
Journal: JOURNAL OF GLACIOLOGY AND GEOCRYOLOGY

Keyword:  冻融作用热交换Neumann 问题边界条件;
Abstract: 通过求解古典Neumann问题,研究土壤在冻结和融化过程的热交换特征,从理论上分析了冻融作用对系统与环境间能量交换的影响. 以草炭亚粘土和亚粘土为例,计算了广泛环境条件下的冻融作用对系统温度变化和与环境间热交换的影响. 结果表明,冻融作用使相应过程表层温度梯度加大,热交换强度增强.
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