| 导叶对轴流泵性能影响的试验 |
| |
| 引用本文： | 李忠,杨敏官,王晓坤. 导叶对轴流泵性能影响的试验[J]. 排灌机械, 2009, 27(1): 15-18 |
| |
| 作者姓名： | 李忠 杨敏官 王晓坤 |
| |
| 作者单位： | 1. 江苏大学,能源与动力工程学院,江苏,镇江,212013
2. 上海凯士比泵有限公司,上海,200240 |
| |
| 摘 要： | 对设计模型轴流泵在无导叶和有导叶时的外特性进行测试,在导叶进出口位置开设测孔,并运用球形五孔探针对导叶进出口流场进行测量,得到绝对速度的周向、轴向及径向速度分量的分布曲线.测量结果表明：轴功率变化曲线在有导叶和无导叶时趋于一致,可忽略导叶对叶轮内流动的影响;在设计最优工况下,导叶出口绝对速度的圆周分量较小,导叶可回收的旋转动能约占叶轮出口总能量的15.7%;无导叶时泵的运行工况点向小流量工况偏移,在设计无导叶轴流泵时应在原有设计参数的基础上进行参数补偿.运用球形五孔探针测量三维流场中速度,具有适用性强、方法简单、测量精度较高的优点.试验结果揭示了导叶对轴流泵性能影响的规律,为进一步研究轴流泵内部流场提供了理论和实际应用参考.
|
| 关 键 词： | 轴流泵 导叶 外特性 五孔探针 速度分量 |
Experimental study of guide vane influence on performance of axial-flow pump |
| |
| Li Zhong,Yang Minguan,Wang Xiaokun. Experimental study of guide vane influence on performance of axial-flow pump[J]. Drainage and Irrigation Machinery, 2009, 27(1): 15-18 |
| |
| Authors: | Li Zhong Yang Minguan Wang Xiaokun |
| |
| Affiliation: | 1.School of Energy and Power Engineering;Jiangsu University;Zhenjiang;Jiangsu 212013;China;2.KSB Shanghai Pump Co.;Ltd;Shanghai 200240;China |
| |
| Abstract: | The external performance of designed axial-flow pump was tested with and without guide vane.Using the five-hole probe to measure the flow field at the inlet and outlet of guide vane through the mea-suring holes,the velocity components curves were given.The experimental results show that the power curves of pump with guide vane and without guide vane are the same.The guide vane has no influence on the performance of the impeller.At the efficiency point,the circular velocity at the outlet of guide vane is sma... |
| |
| Keywords: | axial-flow pump guide vane external performance five-hole probe velocity component |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
