| 小流量高扬程高速离心泵的加大流量设计 |
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| 引用本文： | 朱祖超 麻明祥. 小流量高扬程高速离心泵的加大流量设计[J]. 浙江大学学报(工学版), 2001, 35(1): 9-13 |
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| 作者姓名： | 朱祖超 麻明祥 |
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| 作者单位： | [1]浙江大学机械电子控制工程研究所，浙江杭州310027 [2]浙江省温岭市环境保护局，浙江温岭317500 |
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| 基金项目： | 浙江省重点科技计划资助项目(961101054) |
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| 摘 要： | 针对小流量高扬程高速离心泵由于比转速很低而存在的效率低和容易出现小流量工作不稳定等问题，在结构上提出变螺距诱导和复合叶轮的组合结构，理论上提出加大流量设计方法．按此方法设计的两台高速离心泵的水力试验表明，它们的效率明显高于开式叶轮高速离心泵，而且取得很好的小流量工作稳定性．
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| 关 键 词： | 离心泵 小流量 高扬程 加大流量 设计 |
| 文章编号： | 1008-973X(2001)01-0009-05 |
Increasing-flow design onsmall-flowrate high-head high-speed centrifugal pumps |
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| ZHU Zu-chao ,MA Ming-xiang . Increasing-flow design onsmall-flowrate high-head high-speed centrifugal pumps[J]. Journal of Zhejiang University(Engineering Science), 2001, 35(1): 9-13 |
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| Authors: | ZHU Zu-chao MA Ming-xiang |
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| Affiliation: | ZHU Zu-chao 1,MA Ming-xiang 2, |
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| Abstract: | To solve the problems of low-efficiency and small-flowrate instability due to super-low-specific-speed, the combined structure of variable-pitch inducer and complex impeller was presented, and increasing-flow design method was investigated on small-flowrate high-head high-speed centrifugal pumps. The experimental results of two high-speed centrifugal pumps designed by the proposed method show that they achieve very satisfactory small-flowrate stability and higher efficiency than that of high-speed centrifugal pumps with an open impeller. |
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| Keywords: | centrifugal pump small-flowrate high-head increasing flow design |
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