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It firstly did numerical simulation towards pulsed liquid jet pump's throat pipe when it was working on different area ratio, different length of throat pipe, different working situation. Then it analyzed and proposed the optimization length of throat pipe on pulsed liquid jet pump; In chapter 5, it did experimental study on the fundamental performance of steady and pulsed liquid jet pump, then compared the experiment result with numerical simulation result, this approximately agreed with each other.

首次对脉冲液体射流泵在不同面积比、不同喉管长、不同工况下的喉管内部流场进行了数值模拟,分析提出了脉冲液体射流泵的最优喉管长度范围;第五章对恒定、脉冲液体射流泵的基本性能进行了试验研究,对比试验结果和数值模拟结果,二者吻合较好。

A numerical solution of the isothermal EHL problem for finite line contacts has been pressnted which is convergence in moderate load and material parameters.

二。用差分格式离散二维Reynolds方程,通过间接求解的方法,推出了中等载荷和材料参数下收敛的等温有限长线接触弹流数值计算方法,有效地克服了等温有限长线接触Reynolds方程的强各向异性所产生的数值计算易发散问题。

Using this fundamental solution, a general method for solving the above mentioned problem is given. Finally, the stress intens...

文中还使用奇异积分方程的数值理论,对二条非共线的等长径向裂纹的应力强度因子和抗扭刚度作了数值计算。

Because the rate of ET and HT reactions is determined by the coupling term J, and in long range ET and HT systems the degeneracy of the π orbitals of donor and acceptor is lifted through mixing with the bridge orbitals of appropriate symmetry by an amount △E. Because the △E splittings are proportional to electronic coupling, so we can use the static quantity △E to exploring the dynamic quantity J, and to make a detailed study on the microscopic influence of coupling mechanism in ET and HT process.

由于电子转移和空穴转移反应速率的大小决定于反应的耦合因子,在长程电子转移和空穴转移体系中,给体和受体的简并π轨道由于与饱和桥之间的TB作用而产生一定的分裂能,此分裂能又与耦合因子的数值成正比,因此,我们可以用静态的分裂能数值间接地表征动态的耦合因子,从而详细研究电子转移和空穴转移过程中耦合机理的微观影响因素。

In recent years, numerical simulation technology has been widely used to analyze problems of wrinkle, fracture, et al. during the forming of sheet metals, which lays foundations for obtaining FLD via numerical simulation.

近年来板材成形中开始广泛使用数值模拟技术来分析板材成形中的起皱、破裂等问题,为数值模拟获得成形极限图奠定了基础。

By definition, the numeric value of a relational or logical expression is 1 if the relation is true, and 0 if the relation is false.

根据定义,在关系表达式或逻辑表达式中,如果关系为真,则表达式的结果值为数值1;如果为假,则结果值为数值0。

The wave propagation and refraction of type "O" irregularities in the counter-electrojet conditions is investigated with a model electrojet in terms of the linear theory of the electrojet instability.

本文分析了反向赤道电射流条件下的不均匀性的对流放大特性。根据电射流不稳定性的线性理论,对一个分层均匀的电射流的模式的数值计算表明:在反向电射流条件下,电射流不均匀性有如下的特性:在波的传播过程中,在上电射流区内,波矢向下旋转,在下电射流区内,波矢向上旋转;在驱动电场E_D数值相同的情况下,反向电射流条件下的射线路径积分增长率r比正常电射流情况的要小得多。

In the second part of this thesis, the physical model, which used to describe the evolution of highly charged ions in the EBIT and provided by Penetrate, are discussed in detail. Based on this model, we have some modifications. The modified physical model takes the effect of the geometry of drift tube, the cumulation of space charge, and ionization heating into account.

在论文第二部分,我们详细讨论了Penetrate所提出的用来描述高价态离子在电子束离子阱中演化的物理模型,并在Penetrate所提出的物理模型基础上做了部分修正,修正后的物理模型考虑了漂移管的几何位形、电离加热以及电子束的空间电荷累积的影直流电弧等离子体发生器的数值模拟及电子束离子阱物理研究响,利用修正后的物理模型,对高价态离子在EBI下中演化过程进行详细地数值模拟。

Therefore, the essence of the numerical modeling of geology structural deformation is to adopt the wellestablished numerical methods of multidisciplinary acknowledge including mathematics, physics and mechanics to solve the relevant geological problems scientifically.

因而,地质构造变形数值模拟是采用数学物理方法对相关地质学问题的科学描述,并采用理论分析和数值模拟实验方法,对所描述的相关地质学过程进行定量化求解。

In the paper, a way of amending λ was introduced to solve the point-reactor neutron kinetics equations so that the numerical solution of single-group delayed neutron model is closed to that of six groups delayed neutron model when a positive step changed reactivity was introduced.

通过修正单组缓发中子先驱核衰变常量λ值,使点堆中子动力学方程单组缓发中子模型在正反应性阶跃输入时的数值计算结果趋近于六组缓发中子模型数值计算结果。

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推荐网络例句

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石!

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻,也许正是在通往天国的路上,我体验着这白色的晕旋。

When you click Save, you save the file to the host′s hard disk or server, not to your own machine.

单击"保存"会将文件保存到主持人的硬盘或服务器上,而不是您自己的计算机上。