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Viscous flows around an infinite span untapered swept back wing at high angles of attack are investigated numerically by solving the quasi two dimensional Navier Stokes equations to deal with the effects of the swept-angle on the flow structure and force behavior.

通过数值求解Navier Stokes方程,研究了无限翼展直后掠翼在不同后掠角下的大迎角粘性分离流,探讨了后掠角对流场结构和升阻力特性的影响。

Accepting bursts with arrival is assumed as a matter of course in many traffic models. In fact, bursts are accepted at slotted time in most communication systems. To what extent the discrepancy makes effect on the model is often an unwitnessed problem by many research of traffic model, accordingly related papers are seldom found.

随到接入是多数流模型普遍采用的假定,实际通信系统中突发通常是时分接入的,这个差别对流模型精度造成多大影响常常是流模型研究中被忽视的问题,相关的论文至今为止几乎没有见到。

After sunrise the convective boundary layer begins to grow up with upslope wind to develop in CBL.

日出后对流边界层的发展和上坡风的侵蚀使逆温和冷湖不断被破坏,最终消失。

It is found that the vertical velo city derived by the former is usually too weak while the later gets the distinct three dimensional convective structure of meso-scale system with strong vertical velocity.

研究发现,前一种方法得到的垂直速度偏小,分析出的中尺度对流系统不明显,后一种技术可以得到比较明显的三维中尺度环流结构。

A systematical study of distribution and number of vortices is conducted.

在长、短叶片上分别布置强度不等的点涡来模拟叶片对流场的作用,系统地研究了点涡的分布及数目。

In this paper, the influential factors on the dual induction log ging response of reservoir with mud filtrate invasion are analyzed on the basis of the filtration theory of oil-water two-phase flow, the diffusion equation and the electrolog theory.

依据油水两相渗流理论、水的对流方程,结合电测井理论,进行泥浆侵入地层的双感应测井响应特性分析。

An experimental investigation on natural convection of micropolar fluid in an inclined shallow enclosure was carried out using a flow visualization.

以实验方法探讨突扩型密闭空间内悬浮流体,由不同温度梯度及不同倾斜面角度下,在稳定状态时所引起的自然对流

These results clearly justifies that in combustor, the injector location and its conditions have no effect on the flowfield structure but have strong effect on the combustion efficiency, and that inside the engine, undesirable injector conditions can result in the engine thermal choked and unstart.

第五章计算了含横向喷流的二维燃烧室和一种简化一体化超燃冲压发动机流场,发现在燃烧室中喷口位置及喷射条件对流场的结构影响不大,但对燃烧效率却有较大的影响;而在发动机内部,不适当的喷射条件,有可能引起发动机的&热壅塞&,使发动机无法启动。

Our work is researching on the key technologies of stream architecture in typical applications.

本课题将针对典型的应用领域对流体系结构的关键技术进行研究。

The conclusion of three burning methods mentioned above during the heat storage period is that the first method is the best one, which is propitious to keep higher blast temperature because of the heat exchange in the middle and blow of hot blast stove has been aggrandized through convection heat transfer caused by the added exhausted air quantity and increased flow rate.

以上三种燃烧制度,在蓄热期:第1种因废气量增大,流速加快,利于对流传热,强化了热风炉中下部的热交换,利于维持较高风温,第2种因废气量减少,不利于传热和热交换的强化,不利于维持较高风温,第3种由于废气大量减少,流速降低,传热减缓,蓄热量较少,不利于提高风温。

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I didn't watch TV last night, because it .

昨晚我没有看电视,因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。

I'm running my simile to an extreme.

我比喻得过头了。