| 1. | Study of non - darcy seepage for groundwater flow
地下水的非达西渗流规律研究 |
| 2. | Study on numerical simulation of non - darcy seepage for groundwater
地下水非达西渗流的数值模拟研究 |
| 3. | All the four models are suitable for describing the non - darcy seepage behavior of xiaoshan clay
性种非达西渗流模型对于萧山黏土的渗流特性研究都是适用的。 |
| 4. | The consolidation - permeability combined test was performed on xiaoshan clay sample using gds advanced consolidation testing system , including several stages of constant head test
总结出4种非达西渗流模型来研究在加载条件下土的渗透性的变化规律。 |
| 5. | Finally by means of capillary bundle model , the empirical equation is given to describe the non - darcy filtration features in single facies fluid of low permeability oil reservoirs
最后通过毛管束模型给出了描述低渗透油藏单相流体非达西渗流特徵的经验方程。 |
| 6. | Based on the nonlinear relationship of permeability velocity and hydraulic gradient , four non - darcy seepage models were summarized to investigate the permeability behavior of soft soil under consolidation pressure
摘要针对传统固结理论不能考虑非达西渗流的不足，研究了渗流速度与水力梯度的非线性关系。 |
| 7. | Fitting results of three non darcy seepage models including three - parameter model , power exponent model and two - section model were pretty good , and broken line model could be simplified to the forms of linear permeability model and darcy model
试验与分析结果表明，三参数模型、幂指数模型和非线性分段模型这3种非达西渗流模型的拟合效果较好；折线渗流模型简单实用，在特殊情况下可以简化为线性渗流模型或达西定律。 |
| 8. | The boundary layer can indicate the comprehensive influences of oil reservoirs , the physical properties ( reservoir porosity , permeability , fluid viscosity and its composition ) of inside fluids and development conditions such as pressure gradient : the layer thickness reduces with the rise of capillary radius ; when capillary radius is fixed , the thickness increases with viscosity rise ; the more polarity composition content is , the more obvious the absorption , the thicker the boundary layer , more and more obvious the characteristics of non - darcy filtration
边界层反映了储层、流体物性条件（储层孔隙度、渗透率、流体粘度、组分）和开发条件（压力梯度）的综合影响，认为边界层厚度随著毛管半径的增大而减小；在毛管半径相同的情况下，边界层厚度随压力梯度的增大而减小，最后达到一个临界值；毛管半径一定时，边界层厚度随粘度增加而增大；极性组分含量越大，吸附越明显，边界层厚度越大；边界层厚度越大，非达西渗流特徵越明显。 |
| 9. | This paper analyzes the percolation mechanism and characteristics of gas under low - velocity percolation state in terms of slippage effect and threshold pressure effect by using molecular dynamics , thermodynamics and percolation mechanics in order to understand the practical reason of low - velocity non - darcy percolation
摘要为明确气体在低速渗流状态下的渗流规律以及产生低速非达西渗流的实质性原因，运用分子动力学、热力学和渗流力学等相关知识，基于滑脱效应和阈压效应两方面分析了气体在低速渗流状态下的渗流机理及渗流特征。 |
