内流的

On the basis of slip-diffusion model of multiphase flow, a three-dimensional mathematical model of gas-particle flow in blowpipe has been developed and debugged to calculate the gas-solid two phases flow, including gas velocity and particle velocity inside the blowpipe.

运用多相流的拟流体模型建立了高炉局部富氧喷煤直吹管内气粉两相流动的数学模型，对气粉两相流场进行了数值研究，探讨了气相和煤粉的速度分布规律及其影响因素，其中包括氧-煤喷枪的结构、漩流数和富氧率等。

Example applications include financial tickers, network traffic monitoring, weband transaction log analysis, and sensor networks. A data stream is a continuous,time-varying, unbounded sequence of data-items, implying that online streamalgorithms are restricted to only one pass over the data.

由于数据流的特殊性：短时间内有大量数据连续到达，这些数据具有随时间动态变化的趋势，怎样对这些流数据使用有限存储空间进行快速处理以获取有用信息，为数据挖掘及其应用研究带来了新的机遇和挑战。

The invention is characterised in that the gaseous fuel containing hydrogen or consisting of hydrogen is fed into the swirl generator (1) largely axially and/or coaxially to the burner axis, forming a fuel flow, with a largely spatially defined flow form (9) which is maintained inside the burner and opens up in the region of the burner outlet.

本发明的特征在于，所述含有氢气或者由氢气所组成的气态燃料在涡流发生器(1)内相对于燃烧器轴线尽可能轴向地和/或同轴地、在形成燃料流的情况下以尽可能空间受限制的流动形状(9)被输入，该流动形状(9)在燃烧器内得以保持，并且在燃烧器出口的范围内绽开。

It has several unusual features: It contains large membrane-lined lacunae, which, at least in birds, function as part of the lymphatic drainage of the eye and which can change their volume dramatically, thereby changing the thickness of the choroid as much as four-fold over a few days.

它有几个不同寻常的特征：它含有大量膜内衬腔隙，至少在鸟类，这些结构可引流眼的部分淋巴液，因而能显著改变眼内淋巴液的容量，从而可在几天内使脉络膜的厚度改变4倍（它在灵长类动物中的作用更为明显）。

To verify the accuracy of CFD simulations, experiments were carried out. The results of simulations with user defined function of the effects of impeller type and stirring rate on the velocity field were in good agreement with the output of particle image velocity. The oxygen mass transfer model can be used to predict the process of oxygen mass transfer in a vessel, and the logarithmical expression can successfully describe the relation between the oxygen concentration and the dissolution time.

结果表明，(1)采用Fluent软件并结合用户自定义方程(user defined function， UDF)能够很好地模拟出实际搅拌器内流场分布，模拟结果与采用粒子成像技术(particle image velocity， PIV)的实验测量结果相符；(2)采用氧气传质模型能预测氧气在搅拌器内的动态传质过程，同时氧气浓度与溶解时间的对数关系式能较好描述试验搅拌器内氧气动态传质过程；(3)在相同搅拌速度下，圆盘涡轮式搅拌器产生的湍流动能分布范围要大于桨式搅拌器产生的湍流动能，而且湍流动能分布更均匀，湍流强度更大。

The two phse flow with the ralative suturation from 10% to 90% are calculated and found the seem conclusion as phisycal experiment.

利用该模型对饱和度在10-90%范围内的气水二相流体渗流问题进行了大量的数值实验，揭示出裂缝气液二相流体临界渗流的物理规律。

The thesis tells the suitable fluid field and velocity field as result of suitable position and quantity for argon blowing. And the ladle furnace turns into a better reactor of uniformity of the composition, floatation and removal of inclusions.

通过研究得出了钢包内流场以及速度场的分布，通过调整底部透气砖位置和气体流量，达到了最佳的流场状况，使其成为了一个能为钢液均匀、夹杂物上浮和去除提供最大可能的反应器。

The high efficient hydrocyclone has a new structure that equipped with an involute-type feeder , long cylinder shell , short cone, and a metal shell with replaccable inner liner, and an easy-to-reppace underflow outlet.

高效水力旋流器为一种新结构尺寸的高性能的旋流器，具有渐开线型给矿口、长注、长柱体、短锥体、可更换内衬的金属外壳。

Numerical simulation was conducted to investigate the flow field of internal cooling passages with both rib-roughened walls and film hole suctions and discharge coefficients of film holes,with rib angles 45°,60°,90°,120°respectively.

利用有限体积法对三维不可压缩的N-S方程进行离散，对同时带肋和气膜孔出流的内流冷却通道在45°，60°，90°，120°肋的结构下进行了数值模拟。

The reaction and influence involving the mechanism of crystal and the interior flow field was developed when impeller machine transferring bittern .Based on the measurement through PIV and numerical simulation,the reason that deposition mass rate and removal mass rate is changed along with the increase of crystal layer was analyzed. Moreover,the viewpoint was developed that the change is the result of the reaction among temperature gradient,velocity gradient,turbulent intensity and the temperature stress within the crystal layer.

提出叶轮机械输送卤水时，结盐过程与内部流场相关且相互影响、相互作用，并在进行PIV内流测试和数值模拟的基础之上，综合运用多学科理论，依据Kern-Seaton模型，分析了沉积率与脱除率随盐析层增长而发生变化的原因，提出了这种变化是温度梯度、速度梯度、湍动度及盐析层内部温度应力等各种因素交叉影响的结果。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。