渗流

Porous media, as well as the axial symmetry plane seepage flow calculation.

详细说明：孔隙介质中的轴对称渗流以及平面渗流计算方法。

Secondly, the steady-state productivity model for horizontal well in gas reservoir is established. On the basis of solving the model, this thesis elicits the binomial deliverability equation by which absolute open flow potential and inflow performance relationship can be got and we can forecast the production performance of horizontal well in gas reservoir. In the end, on the basis of the theoretical analysis, this thesis explores homologous nodal analysis program.

其次，在建立水平气井不稳定渗流数学模型并求得其解的基础上，推导出了考虑地层伤害及非达西渗流影响水平气井产能方程，通过该产能方程可求出水平气井的绝对无阻流量，绘制流入动态关系曲线来预测生产动态；最后，在理论分析的基础上建立了水平气井节点分析方法，并开发了相应的节点分析程序。

Then, the steady-state productivity model for horizontal well in gas reservoir is established. On the basis of solving the model, this thesis deduces the binomial deliverabiliry equation by which absolute open flow potential and inflow performance relationship can be gotten and we can forecast the production performance of horizontal well in gas reservoir.

其次，在建立水平气井稳定渗流的数学模型并求得其解的基础上，推导出了考虑地层伤害及非达西渗流影响水平气井二项式产能方程，通过该二项式产能方程可求出水平气井的绝对无阻流量，绘制流入动态关系曲线来预测生产动态。

This procedure has been confirmed feasible and accurate by examples, then analyses and calculates the homogeneous and unhomogeneous earth rock-fill dam, isotropic and anisotropic earth rock-fill dam, Yanji earth rock-fill dam with clunch core. The results by ANSYS is compared with the results by other seepage soft, which is quite similar and prove ANSYS practicability for calculating seepage field.

通过算例验证了该程序的可行性和正确性，接着对均质和非均质，各向同性和各向异性的土石坝以及烟集粘土心墙土石坝进行分析计算，并和其它渗流软件相互比较，结果较为相近，证明了ANSYS计算渗流场的实用性。

The main conclusions are as follows:The saturated-unsaturated seepage theory under rainfall condition and the governing equation of unsaturated seepage are introduced.

研究的主要内容有： 1 介绍了降雨条件下的饱和—非饱和渗流基本理论，介绍了非饱和渗流的控制方程，给出了降雨条件下的边界条件。

Its analytic solution is obtained by multiple conformal transformation s including elliptical functions,and the pressure and streamline distributions and the well flow rate are presented for the flow field.

将油藏工程中水平井网渗流作为复杂源汇边界矩形区域的流动，通过椭圆函数等多重保角变换求得其解析解，并得到渗流场的压力分布、流线分布及井产量。

The support layer should be continuative and be provided with enough thickness and jerkwater seepage coefficient. The impact lies on the ratio of the seepage coefficient between wall and foundation. 6. Soil slaking deformation and its mechanism are analyzed, and its calculating method is discussed.

介绍了堤防渗透控制的主要内容、垂直防渗和水平防渗的措施；对堤防工程堤基的类型、堤防工程渗流的特点进行了分析，研究和探讨堤基渗透性能的各向异性和堤基表层的薄弱透水覆盖层厚度对渗流场的影响。

Derive the equations of continuity by using the method of infinitesimal based on the mass balance equations and the differential equations of gas and oil phase fluid flow.

再根据物质平衡原理，利用微元法分析凝析油气渗流规律，建立连续性方程，从而导出凝析油气渗流微分方程。

So it is very important to research in seepage calculation and monitoring of earth dam.

因此，对土石坝的渗流计算和渗流监测问题进行研究具有十分重要的意义。

Under the same pressure gradient, the seepage velocity of leaching solution well increases with the intensity of positive electric field, and decreases with the negative electric field. The seepage diffusibility of leaching solution and its wetting ability to fractured rock mass can be enhanced or weakened by the electric field.

在同等压力梯度下，受地电场作用的裂隙岩块中溶浸液渗流速度随正向电场强度增加明显增大，随反向电场强度增加明显减小；地电场能够强化或者减弱裂隙岩块中溶浸液的渗流扩散能力和溶浸液对岩块的润湿作用。

The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因，如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务，你就做你的事好了。