velocity non 的翻译结果

  本文关键词：双重介质油气藏低速非达西渗流试井有效井径数学模型及典型曲线，由笔耕文化传播整理发布。

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velocity non

     MATHEMATICAL MODEL AND TYPICAL CURVE FOR CALCULATING EFFECTIVE HOLE DIAMETER IN THE LOW VELOCITY NON DARCY FLOW TESTING OF DUAL MEDIA RESERVOIRS

     双重介质油气藏低速非达西渗流试井有效井径数学模型及典型曲线

短句来源

     IN LOW VELOCITY NON DARCY PERCOLATION FLOW THE UNITY OF WELL TEST ANALYSIS EQUATIONS USED FOR GAS AND OIL WELLS RESPECTIVELY

     低速非达西渗流中气井、油井试井分析方程的统一

短句来源

     Low velocity non Darcy flow of dual media oil gas reservoirs with low permeability often makes well testing analysis more complicated.

     双重介质低渗油气藏，往往存在低速非达西渗流，故该类油气藏的油气井试井分析更具复杂性。

短句来源

     Taking well bore storage and skin effect into consideration,a mathematic model for calculovting effective hole diameter in the low velocity non Darcy flow testing of dual media reservoirs is set up.

     在考虑井筒储集和表皮效应的前提下，建立了双重介质油气藏低速非达西渗流有效井径试井的数学模型；

短句来源

     On the basis of experimental research,a mathematical model of describing gas lo w velocity non Darcy flow in low permeability reservoir was set up and its pros p erous general solution was acquired by use of the solving method of power series .

     在实验研究基础上建立了描述气体低速非达西渗流的数学模型 ,采用幂级数解法求得低渗储层气体低速非达西渗流模型繁荣通解。

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     The Velocity of Centrifugal Filtration in Non inertial System

     非惯性系中的离心过滤速率

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     A novel device for non-contact velocity measurement

     一种新型非接触式速度测量装置

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     Non-conditionalLogisticRegressionAnaluysisofAffectingFactorsinPatientswithNIDDM

     非胰岛素依赖型糖尿病病人影响因素的非条件Logistic回归分析

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     ON NON-OBJECTIFICATION

     论非对象化

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     Relativity of the Velocity of light

     论光速的相对性

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  velocity non

Corrections to the vertical distribution of mean density and current velocity non-oscillating on the wave's time scale have been derived in the approximation, quadratic by the wave's steepness.

There are two very interesting limiting cases, one with a non-abelian G2 and another with an abelian G2 acting non-orthogonally transitively on spacelike surfaces and with the fluid velocity non-orthogonal to the group orbits.

Furthermore, high velocity (non-Darcy) flow well equations are developed for cell-centered finite difference, Galerkin finite element and mixed finite element techniques.

The main goal is to predict the damage caused by a high velocity non penetrating impact of microparticles.

The ball caged constant angular velocity universal joint with dividing rod is used in the front driving axle of tractors and automobiles. The angular velocity non-homogeneity of the universal joint depends upon the parameters of dividing rod. Presently no literature states how to determine the optimized parameters theoretically. The existing method is to give these parametersa, b. m a series of ratios, such as m/a, m/b, experiments, are made according to these ratios and the experimental results are described...

The ball caged constant angular velocity universal joint with dividing rod is used in the front driving axle of tractors and automobiles. The angular velocity non-homogeneity of the universal joint depends upon the parameters of dividing rod. Presently no literature states how to determine the optimized parameters theoretically. The existing method is to give these parametersa, b. m a series of ratios, such as m/a, m/b, experiments, are made according to these ratios and the experimental results are described in curves. The method mentional above lacks theoretical basis.Now we have sdved the problem with the theory of approximation in this paper. It also deduces the satisfying relations between these parameters.

拖拉机,汽车在前驱动桥中采用的带分度杆的球笼式等角速的万向节,其分度杆参数对万向节的转速不均匀性起着决定性的作用。目前国内外资料仅限于给定这些参数a、b、m间一系列比值m/a、b/a,根据给定比值进行实验,将结果绘成特性曲线,但最佳参数a、b、m如何确定缺乏理论根据。 本文用函数的逼近解决了这个问题,并导出这些参数间应满足的关系。

In connection with the design of a low speed wind tunnel in Northwestern Polytechnical University, numerical investigation of the flow in rectangular contraction has been conducted. Finite difference method is employed, using body-fitted coordinates and AF1 scheme, and solved by ADI technique. The flows in three commonly used contour curves are analyzed, i. e. Witozinsky curve, fifth power curve and matched cubic curves. Three-dimensional features of the contraction flow are demonstrated in the calculation....

In connection with the design of a low speed wind tunnel in Northwestern Polytechnical University, numerical investigation of the flow in rectangular contraction has been conducted. Finite difference method is employed, using body-fitted coordinates and AF1 scheme, and solved by ADI technique. The flows in three commonly used contour curves are analyzed, i. e. Witozinsky curve, fifth power curve and matched cubic curves. Three-dimensional features of the contraction flow are demonstrated in the calculation. The adverse pressure gradient at the corner and the velocity non-uniformity at the exit cross section are calculated and examined.

本文结合西工大低速风洞设计进行了矩形三元收缩段流场的计算和分析,计算采用差分方法和贴体坐标,以AF1格式进行离散化并利用ADI方法求解。对三种常用的收缩曲线(即Witozinsky曲线,五次方曲线和双三次方曲线)的三元流场进行了具体计算和比较。计算结果正确反映了三元收缩段流动的特点,给出了流动三元性对壁面逆压梯度和出口均匀性影响的数值结果,表明本文方法是三元收缩段设计的有效分析和设计手段。

Low velocity non Darcy flow of dual media oil gas reservoirs with low permeability often makes well testing analysis more complicated.Taking well bore storage and skin effect into consideration,a mathematic model for calculovting effective hole diameter in the low velocity non Darcy flow testing of dual media reservoirs is set up.The typical curve in infinite formation condition is drawn up by numerical inversion method.The...

Low velocity non Darcy flow of dual media oil gas reservoirs with low permeability often makes well testing analysis more complicated.Taking well bore storage and skin effect into consideration,a mathematic model for calculovting effective hole diameter in the low velocity non Darcy flow testing of dual media reservoirs is set up.The typical curve in infinite formation condition is drawn up by numerical inversion method.The characterstics and applocation of the curve are discussed for various parameter conditions.This reaserch results can be further spread to double permeation model and complex model to solve the well testing problem of complex oil gas reservoirs.

双重介质低渗油气藏，往往存在低速非达西渗流，故该类油气藏的油气井试井分析更具复杂性。在考虑井筒储集和表皮效应的前提下，建立了双重介质油气藏低速非达西渗流有效井径试井的数学模型；采用数值反演法，，绘制了无限大地层条件下的典型曲线；讨论了不同参数条件下曲线的特征以及应用方法。该成果可进一步推广到双渗透模型和复合模型中，以解决复杂油气藏的试井问题。

  本文关键词：双重介质油气藏低速非达西渗流试井有效井径数学模型及典型曲线，由笔耕文化传播整理发布。