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    The results show that the vertical fluid flow rate is as slow as 8 33×10 -12 cm/s in the upper part of the well 4 37×10 -8 cm/s downward in middle part,and 2 65×10 -8 cm/s upward in the lower part.
    中段流体向下垂向流速为 4.37× 1 0 - 8cm/s; 下段流体向上垂向流速为 2 .6 5× 1 0 - 8cm/s
    The reliability of the model is proved by the comparison between computation and observation in the following three cases, the distribution of vertical velocity of flow on two dimensional invariant flow, the distribution of vertical velocity of flow and transverse velocity of flow on three dimensional invariant flow in the flume.
    分别对垂向二维恒定流的垂向流速分布,实验水槽三维恒定流的垂向流速分布与横向流速分布进行了计算,将计算结果与相应的实测资料以及理论结果对比分析,证明了模型的可靠性。
    The general artificial tracer model looses the limitation of traditional point dilution method. With the model, the horizontal and vertical flow velocity of groundwater can be calculated simultaneously. Therefore, the application of artificial tracer method is broaden.
    所建立的广义稀释模型可以放宽点稀释方法的限制条件,可以定量地同时测定出地下水的水平流速和垂向流速,扩大了人工示踪方法的应用范围。
    In this paper, the focus is placed on the DKIOD model, and on the foundation of experiment on hydro-model, the current velocity testing result of DKIOD model has been analyzed, at the same time, the current velocity at horizontal of ditch and current velocity at vertical of the straight of it have been imitated by the FLOTRAN CFD analysis function of finite element calculation software -ANSYS.
    论文以深沟转刷型一体化模型为研究对象,在水力模型试验的基础上对深沟转刷型一体化氧化沟模型的流速测试结果进行分析,同时运用有限元计算软件ANSYS中的FLOTTAN CFD分析功能对深沟转刷型一体化氧化沟横向流速和直段内垂向流速进行了模拟分析。
    This system has achieved 3 innovations: instruments for measurements which use the unmechanized rotor and continue measuring ADCP as the velocity mainframe;
    流速测验方式的创新,改变以往测取垂向流速为水平流速的方式;
    The distribution of velocity vector of ground water in tang ent plane and vertical plane is thus drawn up. According to the magnitude and direction of horizontal and vertical velocity the seepage path is determined ,which prcvides evid ence for the dam grouting treatment .
    从而绘制出地下水流速矢在切平面和垂直面上的分布,依据水平流速和垂向流速的大小和方向确定渗漏路径,为大坝的灌浆处理提供依据。
    This paper briefly introduces the method to determine the following seven parameters of aquifer using radisactive isotope: seepage velocity, coefficient of permeability, direction of flow, vertical velocity of flow (discharge), effective porosity, average void velocity of flow, dispersion coefficient etc. . Also,case histories are enumerated for explanation.
    本文简要介绍了放射性同位素测定含水层渗透流速、渗透系数、流向、垂向流速(流量)、有效孔隙度、平均孔隙流速,弥散系数等七个参数的方法,并列举工程实例说明。
    This paper brefly introduces the method tO determine the following seven parame ters of aquifer using radioactive isotope: seepage velocity, coefficient of permeability direc tion of flow, vertical velocity of now (discharge), effectire porosity. average void velocity of flow, dispersion coefficient etc. .
    本文简要介绍了放射性同位素测定含水层渗透流速、渗透系数、流向、垂向流速(流量)、有效孔隙度、平均孔隙流速,弥散系数等七个参数的方法,并列举工程实例说明。
    Based on the relationship between the geothermal field and the activity of underground fluid,we have calculated the distribution of the fluid flow rate from the temperature data of well LD30 1 1A.
    结果表明 ,L D- 30 - 1 - 1 A井地下流体可分为上、中、下三段。 上段流体运动微弱 ,垂向流速仅为 8.33× 1 0 - 1 2 cm/s;
    By assuming that the vortex of current is small and that the current velocity is constant along vertical direction, a mild-slope equation for wave propagation on non-uniform flow is deduced from basic hydrodynamics equations and the terms of  2 hh and ( hh) 2 are included in the equation.
    从流体力学基本方程出发 ,假定水流的涡量和垂向流速分量为小量 ,推导出考虑非均匀水流的推广的缓坡方程 ,该方程中包含了 2hh项和 ( hh) 2项。
    Based on the formula of vertical flux of total suspended matters in sea water and according to suspended matter concentration, its vertical flux and settling velocity, a new method evaluating the vertical velocity of sea water has been put out.
    依据海水中悬浮物垂直通量的计算公式 ,提出了一种利用悬浮物含量、垂直通量和静水沉速估算海水垂向流速的新方法。
 

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