也可能因转向不对，叶轮流道堵塞等。
需要特别指出的是，液体质点在泵体流道内的圆周速度小于叶轮的圆周速度。
Particularly necessary to point out that the liquid in the pump body mass flow rate of less than the circumference of the circumferential speed of the impeller.
所作研究对于锥形螺旋叶轮血泵叶轮和流道的优化设计具有指导意义。
The investigation has important significance to the optimization of the conical spiral impeller and the flow channel.
处理后效果可达95%左右，经过消沫后的液体由主叶轮将其输送到下道工艺流程。
The effect can reach about 95% after the treatment, the liquid subject to defoaming is conveyed to the next technological process by the primary impeller.
结果表明全流道计算可以较好地模拟双流道叶轮的内部流动，尤其是叶轮进出口的流动，并可对泵的外特性做出预估。
The results show that the full passage calculation can simulate the flow in the double channel impeller, especially at the inlet and exit, to assess the pump performance.
利用CFD软件分别对前向和后向叶轮旋涡风机的单个叶道进行流场分析，得到前向和后向叶轮单个叶道的压力性能差异。
Use CFD software, the area of flow channel for forward skewed and backward skewed impeller was analyzed, and the differences in the performance of pressure between them was got.
需要特别指出的是，液体质点在泵体流道内的圆周速度小于叶轮的圆周速度。
In need of special is that the liquid particles in the body within the flow rate is less than the circumference of a circle impeller speed.
泵体和叶轮间形成环形流道，吸入口和排出口均在叶轮的外圆周处。
Impeller and the body formed between circular flow, I inhaled and exports in the row outside the circumference of the impeller.
然后，利用UG软件建立叶轮流道的三维模型，并将该模型导入到ANSYS中划分计算网格。
Then establish the three-dimension model of the impeller passage with UG soft and put the model into the girding caved up by the ANSYS.
研究结果表明所采用的方法可获得叶轮内部刘道内的相对和绝对流动模式，以及叶片形状的影响。
The results so far obtained indicate that the method can provide a valuable insight on the relative and absolute flow patterns within the impeller passages and the effect of blade profile.
借鉴双流道叶轮水力设计中平面图的设计方法，提出了新的单流道叶轮平面图水力设计方法。
With reference to the design method of plan hydraulic design of double channel impeller, the new design method of plan hydraulic of single channel impeller is put forward.
采用叶轮轴面过流面积优化模型，对叶轮的轴面流道参数进行了优化设计。
Using impeller flow area optimization model, flow area of the pump was selected.
由叶轮中心的布料锥体将物料均匀的分配到叶轮的各个发射流道，在发射流道出口，安装有特殊材料制成的耐磨块，可以更换。
The cloth by the impeller center cone will materials uniform assigned to each launch port, impeller in launching nozzle, install a special material made of wear-resisting block, can change.
对单级切线泵在设计工况进行了定常流动数值模拟，分析了叶轮流道及蜗壳内的液体流动情况。
The numerical analysis of a whole flow field for a single stage tangent pump was presented.
双流道叶轮内流动也不均匀，但没有出现明显的回流区，流态较好。
In the double-channel impeller, the flow has better flow pattern without obvious back-flow area.
借鉴双流道叶轮水力设计中平面图的设计方法，提出了新的单流道叶轮平面图水力设计方法。
With reference to the design method of plan hydraulic design of double channel impeller, the new design metho…
借鉴双流道叶轮水力设计中平面图的设计方法，提出了新的单流道叶轮平面图水力设计方法。
With reference to the design method of plan hydraulic design of double channel impeller, the new design...
泵体以及叶轮间形成环形流道，吸进口以及排出口均在叶轮的外圆周处。
Pump body and impeller flow channel formed between the ring, and inhalation of the mouth at the impeller outlet are outside the circle of the Department.
借鉴双流道叶轮水力设计中平面图的设计方法，提出了新的单流道叶轮平面图水力设计方法。
With reference to the design method of plan hydraulic design of double channel impeller, the new design method of plan hydraulic of single channel impeller I...
水泵流量不足可能产生的原因：1、管道、泵流道叶轮部分阻塞，水垢沉积、阀门开度不足。2、电压偏低。3、叶轮磨损。
Pipe or channel impeller jammed, scale deposited or valve not enough opened. 2, Voltage too loe. 3, impeller worn out.
水泵流量不足可能产生的原因：1、管道、泵流道叶轮部分阻塞，水垢沉积、阀门开度不足。2、电压偏低。3、叶轮磨损。
Pipe or channel impeller jammed, scale deposited or valve not enough opened. 2, Voltage too loe. 3, impeller worn out.
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