查询词典 jet flow

The flow field can be controlled and adjusted by rotary strength, flowrate ratio of jet to suction, entrance dip angle and width.

旋流强度、射抽流量比、喷口倾角或宽度等都能对该流场的形状和控制能力进行调节。

Due to the complexity of the flow , the jet impingement is also used as an excellent test case for validation of turbulence models.

由于其流动的复杂性，也常被作为一种理想的测试实例来评价湍流模型的性能。

According to the theory of the plane potential flow,main parameters are calculated for the concrete jet pump .

基于平面势流理论对混凝土射流泵装置的主要参数进行了理论设计，提出了一种新的设计方法。

As you start ionizing the air, you can change the weather flow patterns, the jet stream, etc..

当你开始将空气电离化，你就能改变天气循环、射流等等的模式。

This poleward expansion could significantly alter such crucial elements as jet stream flow patterns and the course of storm tracks.

这个逐步扩大的区域有可能对气流流动以及风暴移动的路线做出决定性的影响。

The features and developing trend of jet-wake flow and secondary circulation were analyzed by velocity and pressure field in meridional planes.

借助弦向截面的速度、压力场分布情况研究了射流－尾流特征以及二次环流的产生和发展趋势。

On the basis of analyzing pump-jet propulsor, inside flow fields are numerically simulated by using the software FLUENT, on the condition of setting up the physical models and the mathematic models and determining the boundary conditions.

在分析泵喷射推进器的基础上，建立了其数值仿真的物理模型和数学模型，确定了求解的边界条件，利用CFD软件FLUENT对泵喷射推进器的内流场进行了数值仿真。

They are, however, very important however if you were using this nozzle to accelerate the flow out of a jet engine or rocket and create propulsion, or if you just want to understand how high-speed flows work.

但是，它们非常重要，但如果您使用这喷嘴加速流出来的一个喷气发动机或火箭推进和创造，或者如果您只是想了解如何在超高速流动的工作。

Experimental study and numerical simulation were used to investigate the flow characteristics of a self-excited precessing jet,which was generated based on the principle of Coanda effect.

采用实验与数值模拟相结合的方法研究了基于流体柯恩达效应而形成的自激励旋进射流的流动特性。

Heat transfer and velocity distribution in the flow of a cold,two-dimensional vertical liquid jet against an isothermal hot,horizontal plate were studied,by using similarity transformation and Crocco transformation.

研究了二维冷液体射流垂直冲击一个恒温热平面时，射流沿平面的热量传输和速度分布。通过对Crocco变换加以推广，求得了问题的相似解，揭示了速度梯度，温度分布和剪切力之间的关系。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。