| 低比转速离心泵研究现状与发展前景 |
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| 引用本文： | 张佩芳,袁寿其,许建强.低比转速离心泵研究现状与发展前景[J].排灌机械,2003,21(6):42-45. |
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| 作者姓名： | 张佩芳 袁寿其 许建强 |
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| 作者单位： | 1. 江苏大学,江苏,镇江,212013
2. 合肥通用机械研究所,安徽,合肥,230031 |
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| 摘 要： | 介绍了低比转速离心泵水力设计和结构设计研究现状，分析了低比转速离心泵水力性能方面存在的效率较低、扬程曲线易出现驼峰和轴功率易过载等问题产生的原因及解决办法，对各水力设计方法进行了评述。讨论了低比转速泵发展中有待解决的问题，并对发展趋势作了前瞻，为低比转速离心泵的研究与设计提供参考。
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| 关 键 词： | 离心泵 研究现状 发展前景 低比转速 水力设计 结构设计 水力性能 |
| 文章编号： | 1005-6254(2003)06-0042-04 |
Present Status and Development Trends of Low-specific-speed Centrifugal Pumps |
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| ZHANG Pei-fang,YUAN Shou-qi,YU Jian-qiang.Present Status and Development Trends of Low-specific-speed Centrifugal Pumps[J].Drainage and Irrigation Machinery,2003,21(6):42-45. |
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| Authors: | ZHANG Pei-fang YUAN Shou-qi YU Jian-qiang |
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| Abstract: | The hydraulic design theory and configuration status of low-specific-speed centrifugal pumps are summarized. The main problems of pumps in hydraulic characteristics such as low pump efficiency, humble head-flow curve and easily overload brake horsepower etc, and their countermeasures developed in recent years including greater flow design and non-overload theory etc, are introduced thoroughly. Some problems under settlement in the development of low-specific-speed centrifugal pumps are discussed and the trends for further development are also put forward. |
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| Keywords: | Centrifugal pump Lovv-specific-speed Summary |
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