1) soil freezing
土壤冻结
1.
In order to search the effect of soil freezing on heat exchange characteristics of ground heat exchangers in cold zone,develops a heat transfer model of soil around ground heat exchangers taking soil freezing into consideration,and solves the freezing phase change problem by apparent heat capacity method.
为了探讨寒冷地区土壤冻结对地源热泵地埋管换热器换热特性的影响,建立了考虑土壤冻结的地埋管周围土壤传热模型,并利用显热容法对冻结相变问题进行了处理。
2.
Based on the numerical calculus of soil freezing and the apparent heat capacity method, completely and partly implicit difference schemes of the heat transfer equation were deduced by the finite difference method with variable space step.
针对土壤冻结过程的数值分析,基于显热容法用有限差分法构造出热传导方程变空间步长的半隐格式和全隐格式。
3.
Based on the basic equations of simultaneous soil water and heat transfer during soil freezing, the coupled equation of moisture and heat is deduced.
计算结果表明，该方法不仅能模拟冻结过程中土壤水分、温度的变化，且在计算中土壤含水量较低时不需要在冻结区引入冰的阻抗系数的概念，较好地改进了已有的数值模拟，为模拟各种不同条件下的土壤冻结过程创造了条件。
2) frozen soil
冻结土壤
6) soil freezing and thawing
土壤冻融
1.
Review of the study on land surface process in soil freezing and thawing;
土壤冻融条件下的陆面过程研究综述
2.
Coupled model of moisture and heat reaction during soil freezing and thawing under environmental climate condition
环境气候条件下土壤冻融过程中湿热耦合作用模型研究
3.
Using the model of simultaneo us moisture and heat transfer during soil freezing and thawing, a numerical sumulation is carried out to the whole course of freezing and thawing in Hetao irrigation areas in Inner Mongolia Autonomous Region.
应用土壤冻融过程中水热耦合迁移模型，对内蒙古河套灌区地下水浅埋条件下整个土壤冻融过程进行了模拟，分析了越冬期土壤水热迁移规律。
补充资料：土壤水分运动基本方程(见土壤水运动)
土壤水分运动基本方程(见土壤水运动)
turang shuifen yundong iiben土壤水分运动基本方程fangeheng见土壤水运动。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条