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Alternative TitleReview of the coupling of water and heat in the freeze-thaw process and its model of frozen soil
冉洪伍1,2; 范继辉1; 黄菁1,3
Source Publication草业科学
Contribution Rank1
Other AbstractThe coupling of water and heat in the freeze-thaw process is an important part of the hydrological cycle in cold regions, and it is an urgent problem that needs to be solved in the fields of agriculture, construction, and ecology in cold regions. We analyzed the freezing-thawing process of frozen soils and water-thermal coupling mechanism. At present, the driving force of water migration is mostly attributed to the soil water potential gradient, with the soil water characteristic curve used to solve the problem. However, this method does not consider the soil temperature, deformation, and physical properties. The hydrothermal coupling model achieves the coupling between water, temperature, and stress, but the feedback mechanisms of the changes in water, temperature, and stress on the soil characteristic parameters are not reflected. The mechanism for ice formation, under the action of multiple fields, is the key to solve the problem of soil frost heave. Meanwhile, we discussed the applicability and accuracy of the three types of current mainstream coupling models: The hydrodynamic, rigid ice, and thermodynamic models. Finally, we analyzed the current problems in the study of hydrothermal coupling in the freeze-thaw process.
Keyword冻融过程 水热耦合 水动力学模型 刚性冰模型 热力学模型
Indexed ByCSCD
Citation statistics
Cited Times:2[CSCD]   [CSCD Record]
Document Type期刊论文
Corresponding Author范继辉
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Corresponding Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
冉洪伍,范继辉,黄菁. 冻融过程土壤水热力耦合作用及其模型研究进展[J]. 草业科学,2019,36(4):991-999.
APA 冉洪伍,范继辉,&黄菁.(2019).冻融过程土壤水热力耦合作用及其模型研究进展.草业科学,36(4),991-999.
MLA 冉洪伍,et al."冻融过程土壤水热力耦合作用及其模型研究进展".草业科学 36.4(2019):991-999.
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