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- Seepage flow can be observed in stalactite caves. 在钟乳石溶洞里,可以见到渗流现象。
- The typical seepage flow field of the bottom for the spillway dam is obtai... 最后计算了典型的坝基渗流流场,计算结果与实验结果吻合较好。
- We now turn our attention to a quite different kind of flow, the seepage flow of a fluid through a porous medium. 现在我们要把注意力转向完全不同的一类流动,即通过多孔介质的渗流。
- Using this method, the trend of the seepage flow is analyzed in No. 1 tailings dam of Dexing Copper Mine. 该方法将时间序列、数据序列分离,并分别与阶段序列构成模型后,进行同步预测。
- At same time, the critical water level is proposed in accord with the trend of seepage flow of dam. 同时以大坝综合渗透率是否随时间增大为标准,提出了监控大坝渗流稳定的临界水位,对实际运行监控有一定意义。
- Then the characteristics of the seepage flow associated with the heightening of the ash dam are studied in detail. 在此基础上,进一步对该灰场灰坝加高过程中的渗流问题进行了数值预报。
- The seepage flow characteristics of this block were simulated by exerting different back-pressure for core. 得到了裂缝性低渗透储层岩心水相渗透率随回压的变化曲线。
- As we know, there are close relations among gas hydrates and faults, carbonate, seepage flow and salt diapirism. 天然气水合物与断层、碳酸盐岩、渗流和盐底辟等构造都有比较密切的关系。
- This paper discusses the seepage flow characteristic of the single phase fluid in ultra-low permeable cores using experimental method. 通过实验手段,探索了特低渗透率岩心单相流体渗流特征。
- Seepage flow numeration is an effective tool for simulation,dynamic analysis,effect evaluation and forecast of drainage process in rockmass. 渗流数值计算是岩体排水设施和仿真模拟、动态分析、效果评价及预测的有效工具。
- A three dimensional mathematical model of seepage flow is established based on the background of ash dump of Shouyangshan Power Plant. 摘要以首阳山电厂徐家沟灰场为背景,建立了渗流运动的三维数学模型,并用有限元法进行了数值计算。
- A generalized equivalent-continuum method is presented for calculating variably saturated seepage flow in fractured porous media. 描述了一种计算裂隙多孔介质中变饱和渗流的广义等效连续体方法。
- On the basis of the Darcy's law and the established seepage flow model,two composite formulas of permeability were derived with mathematic calculation. 根据达西定律及建立的渗流模型,经过数学推导,得到垂向和水平方向两类渗流模型的渗透率合成公式。
- There are two conditions in the data analysis of piezometric tube observation: confined seepage flow and unconfined seepage flow. (2)建立大坝有压渗流观测资料的统计分析模型。
- Mathematical model of seepage flow about waterlocks groundwork is set up, Infiltration room and haplont are ascertained too. Engineering example is given. 摘要建立闸基渗流数学模型,确定渗流场域和单元体,给出工程实例。
- The threshold pressure gradient of low permeability sandstone was studied experimentally by measuring the pressure attenuation in an unsteady seepage flow. 为了研究低渗透砂岩的启动压力梯度,设计了一种非稳态渗流中测量压力的试验方法。
- The paper studied stable seepage flow rule of overpressure reservoir and created the method for using systematic well testing data to compute permeability variation coefficient. 本文研究了异常高压油藏稳定渗流规律,建立了利用系统试井资料求取渗透率变化系数的方法。
- The results showed that seepage flow velocity changed obviously with the change of pressure distribution,and the outer pores played a main role in the filtration process. 结果表明,随着压力分布的变化,渗流速度也有很明显的变化,其中外层孔在渗流中起主要作用;
- It's well known that the question of unstable seepage flow in heterogeneous reservoir is an important and difficult task in the research of porous media percolation mechanics. 非均质双重介质油气藏不稳定渗流问题是目前渗流力学研究的一个重要问题。
- Based on the fracture network model , the characteristics of saturated seepage flow and unsaturated seepage flow are analysed , and the constitutive relation is established. 本文把裂隙岩体看作是离散网络模型,分析了其饱和非饱和渗流特性,并建立了相应本构关系。