导叶

Introduction of pre-conditioning pumps on the role of ...

前置导叶调节对水泵的作用。。。

The material of Diffuser is POM, which is changed from fiberglas, improve the capacity of anti-abrasive and the rigidness.

导叶材料采用玻璃纤维改性的聚碳树脂，提高了耐磨性和刚性。

The rudimental structure, function and teaching method of manipulator system for repairing hydraulic turbine is introduced.

介绍了水轮机导叶修复用机械手系统的基本结构、功能及示教方法。

Surge chamber ; transition process ; closing of guide blades ; rising ratio of rotational speed ; inside water pressure

调压室；过渡过程；导叶关闭规律；转速上升率；内水压力

The results show that it is feasible to remove the tailwater surge chamber at the station in consideration of the optimized closing of the guide blades and the properties of the units.

计算表明，通过考虑机组特性、优化机组导叶关闭规律及合理整定调速器参数，该水电站取消尾水调压室的方案是可行的，其各设计参数控制值基本上能满足设计要求。

In this paper,a numerical method is used to investigate the effects of a winglet attached to an axial fan on the performance.

本文采用数值方法研究了叶片端导叶对轴流风扇性能的影响。

To study on the turbulent flow in a centrifugal pump with vaned diffusers, based on CFD method, three-dimensional turbulent flow field in suction chamber, impeller and diversion shell was calculated at three different operating conditions, and the velocity and pressure distribution in diversion shell were obtained.

以带有空间导叶的离心泵为研究对象，通过CFD方法，在三种工况下，对包括吸入室、叶轮和导流壳在内的全三维湍流场进行数值计算，获得了导流壳内的速度分布和压力分布。

The gas flow field on the top of the discharged tube of cylindrical three phase cyclone with a vaned inlet and a direct current outlet which separates dusty droplet from the fume of boiler is measured with five hole probe.

使用五孔球探针对一种用于分离锅炉净化烟气中含尘液滴的直筒型导叶直流式三相旋流器排气管上部的气相流场进行了实验测定。

This paper deals with a lump-sum flow analysis of a spiral case, stay ring and vaneless annular walls for a small Francis tu...

本文对常用的小型混流式水轮机涡壳、座环和无导叶环壁面内流动状况用最新的 CFD技术进行了整体数值解析。

The product mainly applied in:water conservancy and hydroelectric power industry,hydro slide way,hydroturbine entrance bucket bearing,connecting bar,thrust ring,resistance to ware board,spindle collar,steeling rolling industry,mine equipments,forging and pressing,mutallurgyequipments,automobile industry,rubber-plastic industry.

该产品广泛应用于：水利水电行业，水工滑道，水轮机导叶轴承，连杆，止推环，抗磨板，转轮轴套。轧钢行业、矿山机械、锻压机床、冶金机械、汽车行业，橡塑行业等。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。