查询词典 impeller

The interior flow of pump is the quite complicated turbulent flow. It is affected not only by the circumrotation and the surface curvature of impeller, but also by the sandy materials, even has the backflow and disengaged flow. They are one of the rather complicated numerical calculations in the fluid engineering field.

离心泵的内部流动是很复杂的湍流流动，同时由于受旋转、叶片表面曲率和泥沙颗粒的影响，还拌有脱流、回流等流动现象，是流体工程中较难的试验研究和数值计算问题之一。

Its operating principle is that electric energy is changed into mechanical energy by drive unit, then the liquid in the cylinder body forms high and low pressure to drive piston up by impeller circumrotation, so vertical motion is changed into wagging of brake arm by leverage and declutch is completed. This product has passed the experiment test by National Quality Supervise Administration and every technical criterion is accorded with national trade standard.

电力液压块式制动器包括电力液压推动器和块式制动架两部分组成，其工作原理是通过驱动装置的电能变成机械能，通过叶轮旋转，使缸体内液形成高低压腔推动活塞向上运动，从而通过杠杆机构将垂直运动转变成制动臂的左右摆动、完成松闸。

Axial compressor ; turbulent flow ; differencing scheme ; impeller ; curvilineal coordinate

轴流压气机；湍流流动；差分格式；叶轮；曲线坐标

In this paper, studies were carried out on the problem of CaSO4 crystal in pipeline endophragm and impeller of bittern transfer pump which was difficultly to be removed with conventional chemical and physical methods in the bittern transportation process of the Jiangsu Oilfield Bittern Extraction and Transportation Management Department.

中文摘要：江苏油田采输卤管理处在输送卤水过程中管道内壁、输卤泵叶片出现了难以用常规的化学和物理方法除去的CaSO4结晶，本文即是针对此问题开展的研究工作。

According to the structural feature of impeller of gas exhauster, in combination with regulation mode of gas exhauster, based on the principle of energy-saving and reliability, how to select gas exhauster was determined.

摘 要：根据鼓风机叶轮结构特点，结合鼓风机的调节方式，以节能、可靠为原则，确定如何选取煤气鼓风机。

Pollution discharge pump, adopting special big channel impeller structure, greatly increases feculency discharging ability, and effectively make solid particle with diameter being 50% of pump outlet diameter; the type 4 can be fitted with various protective devices according to customer's requests, including stator winding temperature-rise protection, bearing temperature rise protection, oil container leakage protection, etc to enhance the exploitation reliability; adopting inner flowing recycling system to use medium cooling electric machine section to make usage more safe.

排污泵采用了独特的大通道叶轮结构，大大提高了污物通过能力，能有效的通过直径为泵口径约50％的固体颗粒；本泵型4可根据用户的要求安装各种保护装置，包括：定子绕组温升保护、轴承温升保护、油室漏油保护等以提高电泵的使用安全性；可采用内自流循环系统，利用介质冷却电机部分，使用更加安全，同时，还可以利用此结构将电泵以干式固定形式安装；采用最新材料精制而成的机械密封，其使用寿命可达8000小时以上；可采用双导轨自动耦合安装装置，使机组的安装、维修方便、快捷；可根据用户的需要配备各种形式的排污泵专用控制柜以实现自动化管理。

A genetic algorithm has been employed for the structure optimization of a centri fugal compressor impeller.

利用遗传算法对离心压气机叶轮的结构进行优化设计。

We used these technologies to make the casting mold for engine inhaust tube、die-casting mold for wax model of impeller.

并将这3种技术分别用于汽车发动机进气歧管、增压器叶轮等的模具的快速制造中。

When the impeller lobes intermesh at the top the air is forced out of the space

什麼时候叶轮耳垂intermesh对顶空气被迫离开空间

One example of a new generation LVAD is HeartWare's intrapericardial HVAD. This miniaturized centrifugal pump is capable of generating up to 10 L/min of flow. Its wearless impeller is suspended in the pump housing through a combination of passive magnets and hydrodynamic thrust bearing.

新一代左室辅助装置的安全性能有了明显的提高，研究者试图将其应用于非终末期心衰的患者，以延长这部分患者的长期生存率，这是心衰器械治疗专题会带给我们的信息。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。