查询词典 inlet flow

This paper referred to simulating the supersonic double cone inlet" s flow field of ramjet pill assisted range projectiles at a variety of working circumstances, pressure contours, density contours and Mach number contours of inlet" s flow field were given When cone combination, relative location of cone core and cowl lip, the pressure of outlet, inflow Mach number and angle were changed, flow field and performance parameters of inlet can be affected. Simultaneity, productive mechanism and inducing factors of the inlet surge were also discussed. Then the best working conditions and the best model of inlet were obtained.

本文对冲压增程弹丸所用发动机的双锥超声速进气道在各种工况条件下的流场进行了数值模拟，给出了进气道流场的等压线图、等密度线图和等马赫线图，从而观察在不同的锥尖角组合、锥芯与外罩唇口的相对位置、出口反压、来流马赫数和攻角时，对进气道流场及性能参数的影响，并探讨喘振现象的产生机理及诱导因素，以便确定最佳的工作状态，得到最优的进气道模型。

The solid flow rate of downflow of inlet gas was slightly less than that of horizontal flow of inlet gas. But the standard deviation of pressure signals of downflow of inlet gas decreased significantly, causing more stable operation.

由不同通气方向来看，通气方向向下时的固体流量虽略小於水平方向通气，但可使下降管中的压力扰动明显减少，即可得到较稳定的操作。

A single plate was adopt to study the effect of the parameters such as cooling water flow rate, inlet solution temperature, inlet solution flow rate on absorption heat and heat transfer coefficient of plate absorber.

实验采用单层光滑换热平板，研究系统冷却水流量，进口溶液的温度、流量等参数对平板式吸收器吸收热以及传热系数的影响。

With different layout of inverted siphon pipe , requirements for inlet flow pattern and submergence are various.

不同的倒虹吸管布置型式，进口流态及淹没要求有所不同。

The conclusion is that the "ω" shape suction champer has excellent hydraulic characteristic in different inlet flow conditions. Its hydraulic loss is small and velocity-averaged streamline angles on special cross sections are approximately 90°.

试验和数值分析结果表明：采用&ω&形后壁吸水室钟形进水流道在不同进水条件下均具有良好的水力性能，水力损失小，流道出口断面速度加权平均入流角接近90？

Results show this new-inlet hydrocyclone has original sides on liquid spin-making and stabilize its flow field. Moreover this gradual contraction inlet may translate some pressure energy of liquid into kinetic energy and increase circumrotate speed. These play active actions on improving separation efficiency. Moreover, the uniflow hydrocyclone has the traits of big capacity, low pressure drop and a little low separation efficiency in contrast to the returned flow hydrocyclone. This hydrocyclone system has the higher separation property in contrast to the single-level hydrocyclone.

实验结果表明：这种新型入口结构水力旋流器在流体的导旋方面具有独到之处，能很好的形成稳定的流场；同时这种渐缩式入口方式，可将来液的一部分压能逐渐转化为动能，提高了旋流速度，对提高分离效率起到积极作用；采用新型入口的直流式水力旋流器比返流式水力旋流器压降低，处理量大且分离效率略低；组成返流式水力旋流器串联系统相对于单级水力旋流器具有更高的分离性能。

In addition, the definition of characteristic air velocity is presented and the relationship between meteorological parameter and air inlet flow field at unwindy weather are discussed.

除了在180°的背风面区域附近，进风口各点的进风速度与侧风速度为二次多项式关系；而在180°的背风面区域附近，进风速度与侧风速度为Gauss分布关系。

Through a special experimental rig of testing flow characters of electronic expansion valve based on liquid ring method,some influence factors such as outlet pressure,inlet pressure,inlet subcooling,valve opening,inlet density and outlet quality to valve flow characteristics were tested...

结果表明：上述参数对电子膨胀阀的流量特性均有一定的影响，但各参数的影响程度不同；开度是改变质量流量的主要因素，并反映出阀的调节特性。

First, we adopt MEMS technology to fabricate micro venturis with different widths of 150 and 200 um respectively and utilize FLUENT software to analyze the flow fields. Air was set as the working fluid and the air mass flow rate of inlet is changed to obtain the pressure drop between inlet and outlet. When a flow passes through the throat, the backflow results in the symmetric separations occur and grow with the increase of mass flow rate.

在微文氏管的研究部分，首先利用微机电制程技术制造出两种不同尺寸的微文氏管，宽度分别为150及200微米，开口角度各为45°，总长则为10 mm，再以空气作为工作流体，利用不同质量流率来量测微文氏管进出口的压力差并配合FLUENT软体分析观察其流场分布的情况。

The double entry back-to-back pump was selected for the HPOTP in the SSME in order to increase the shaft speed by 2 and stay within the tip speed limit, while maintaining the required total inlet flow area.

双入境背对背泵被选定为hpotp ，在ssme ，以增加轴的速度 2和留在尖端的车速限制，同时保持所需总入口流量面积。

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。