groundwater unsteady flow

基本解释

Land subsidence with the prediction method caused by unsteady-flow such as pumping of groundwater.
海岸处、盐水与淡水的交界问题。地下水污染的渗流转移。
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According to geologic model of unsteady groundwater flow in heterogeneous medium and adopting the finite difference solution, the direction and strength of oil gas migration can be quantified.
根据非均匀各向异性地层的非稳定的地下水流动模型，采用有限差分法求解，可以定量判断油气运移的方向及强度。
Based on the above study, a three-dimensioned unsteady heat transfer model of U-type UCHE was established, which took different thermal properties of soil layers and groundwater flow into account.
在上述研究基础上，围绕埋地换热器与周围土壤的换热过程，考虑沿深度方向土壤层之间热物性的不同以及地下水流动等因素，建立了垂直U型埋地换热器三维非稳态数值传热模型。