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水泵最佳工况点的分析
引用本文:杨建国,郑春祥,刘鹏虎,赵铭芳.水泵最佳工况点的分析[J].辽宁工程技术大学学报(自然科学版),1997(2).
作者姓名:杨建国  郑春祥  刘鹏虎  赵铭芳
作者单位:阜新矿业学院机械二系(杨建国,郑春祥,刘鹏虎),沈阳市建材局(赵铭芳)
摘    要:从理论上论证了排水装置效率随水泵流量增加而增加的变化规律,提出并论证了一种确定水泵不发生汽蚀时最大工况流量的方法,还提出并论证了一种确定泵配套电机不过载时最大工况流量的方法;进而提出了水泵最佳工况点的概念,即在确保水泵不汽蚀和电机不过载的条件下使排水装置效率最高时泵的工况点,并给出了其确定的步骤和方法.

关 键 词:工况点  排水装置  装置效率  汽蚀  过载

Analysis and Study of the Most Rational Operating Point of the Pump
Yang Jianguo,Zheng Chunxiang,Liu Penhu,Zhao Mingfang.Analysis and Study of the Most Rational Operating Point of the Pump[J].Journal of Liaoning Technical University (Natural Science Edition),1997(2).
Authors:Yang Jianguo  Zheng Chunxiang  Liu Penhu  Zhao Mingfang
Abstract:This paper theoretically demonstrates the law that the efficiency of a pumping system increrases along with the inceasing of pump capacity, and presents and demonstrates a kind of method to fix the largest pump capacity under the condition of no cavitation happening to the pump and a kind of method to fix the largest pump capacity under the condition of no overload happening to the motor. According to the above this paper presents a term called the most rationd ooperating point of a pump which is defined as the operating point at which the efficiency of a pumping system is the highst under the condations of no cavitation happening to the pump and no overload happening to the motor. The procedure and method of fixing the most rational operating point of a pump are given in this pater.
Keywords:operating point  pumping system  system efficiency  cavitation  overload
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