查询词典 impellers

The problems just like interfere of flow fields, the match between the flux of input and output and the match between the principal axis rotation speed and fix placement of impellers, etc. By resolving the problems above, then the experiment of oil indraft performance has been done more easily.

解决了在人工水母试验装置壳体内部流场极其复杂条件下，流场相互干扰问题、进口流量与出口流量匹配问题、主轴转速与叶轮安装位置的匹配问题等，为人工水母装置吸油特性试验研究创造了条件。

The pressure distributions and meridional velocity distributions of two impellers designed with different design variables were ana...

研究表明：轴面流道形状和叶轮包角影响叶轮内部压力场和速度场的均匀性，导致两个叶轮的水力效率值存在约2%的差别。

Centrifugal energy saving analysis and measures: 1 improve the efficiency of centrifugal pumps a first step, in the selection of comparison, when many suppliers Selection program, in considering the cost-effective choice as far as possible under the premise of efficient programs; the second step , accredited professionals must Mill producers, affecting the pump efficiency of the key components such as impellers, pump body, pump cover, diversion devices, such as the manufacture of quality producers, especially for the airfoil impeller , outlet angle, leaves the sub-degrees, the shape of flow channel, to control the quality of finish, etc., so that products are delivered in the current production under the conditions of highly efficient products; the third step, the scene in the production of installation and debugging process, pump to ensure a solid foundation, with the driving machine for good, before and after valve flexible piping layout design is reasonable, on-site control is feasible and safe, the complete and accurate monitoring instrumentation to ensure that pump operation can carry out real-time monitoring; fourth step , are at long-term operation of water pumps necessary to pay attention to the equipment inspection and found anomalies reflect real-time reporting, in the normal minor repairs, overhaul cycle, to deal with the replacement of wearing parts inspection to ensure the pump's long-term safe and efficient operation.

第一步，在选型时多比较各供应商的选型方案，在考虑性价比的前提下尽量选用效率高的方案；第二步，派驻一定的专业人员驻厂监制，对影响水泵效率的关键零部件如叶轮、泵体、泵盖、导流器等的制造质量进行监制，尤其对叶轮的翼形、出水角、叶片的分度、流道的形状、光洁度等质量进行控制，使交付的产品是在当前的生产条件下的高效率的产品；第三步，在生产现场的安装调试过程中，要保证泵的基础牢靠，与驱动机对中良好，前后阀门开关灵活，管道布置设计合理，现场控制安全可行，各运行监控仪表齐全准确，保证泵的运行过程能够进行实时监控；第四步，是在水泵的长期运行中要注意对设备的点检，发现异常情况即时反映汇报，在正常的小修、大修周期中，应对各易损件进行检查更换，保证泵的长期高效安全的运行。

This paper presented the flow field analysis in centrifugal impellers compressing perfectand real gas respectively.

针对压缩理想气体而言的流场分析结果，显然不能简单地用来比拟压缩实际气体的流场。

By adopting surface molding to obtain solving region and then carrying out numerical calculation and analysis of flow field in centrifugal pump, accurate remodification information is obtained and optimized impellers which have excellent fluid dynamics capacity is schemed out.

采用曲面造型得到计算区域，通过对离心泵叶轮内部流场的数值计算与分析，为离心泵优化设计提供准确的修改意见，设计出水力性能优异的叶轮。

The impellers are kept in their proper relationship to each other by spur gear.

液轮之间借助于正齿轮保持彼此正常的关系。

These technologies and theories analyzed and resolved enterprises?existing problems respectively from different points of view, provided enterprises with good means and tools to adapt to new market competitive circumstance. They are widely used through whole enterprises, especially in those famous international giants, which are all positive impellers of advanced manufacturing technologies and managing theory unexceptionally.

这些技术和理念分别从不同的角度分析和解决了企业的现存问题，为企业适应新的市场竞争环境提供了良好的方法、工具，在企业范围内得到广泛的应用，尤其是国际知名大企业无一不是先进制造技术和管理理念的积极推动者。

These pumps usually contain water-tight packing at the ground surface, with sealed impellers.

这类泵一般都在磨砂表面有水密填料并使用密封叶轮。

Fluid dynamics condition is also very important to hydrolysis process. Influence of different types of impellers on hydrolysis rate, hydrous TiO2 particle size and filtration time was investigated.

通过水解实验，探讨了不同搅拌桨对水解产物粒度和过滤时间的影响，确定了最适合水解体系的搅拌桨和颗粒悬浮的最低搅拌速率。

The analyses of flow characteristics and the calculations of theoretical flow fields on blade-to-blade surfaces and the turbulent boundary layers in forward multiblade impellers were described in this paper.

本文分析了离心风机前向多翼叶轮内的流动特性，计算了跨叶片面内的理想流场和湍流边界层。

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。