| 长管道输水系统停泵水力过渡过程分析与防护 |
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| 引用本文： | 林琦,刘志勇,刘梅清,李秋玮.长管道输水系统停泵水力过渡过程分析与防护[J].中国农村水利水电,2011(2). |
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| 作者姓名： | 林琦 刘志勇 刘梅清 李秋玮 |
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| 作者单位： | 武汉大学动力与机械学院,武汉,430072 |
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| 基金项目： | 国家自然科学基金资助项目(50879062) |
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| 摘 要： | 阐述了长管道输水系统停泵水力过渡过程的特点,结合工程实例,建立了泵出口阀关闭程序的优化模型,并采用遗传算法对模型进行了求解.应用特征线法对事故停泵后的水力过渡过程进行了计算分析,对空气阀和单向调压塔的防护效果进行了数值模拟和比较,提出了相应的水锤防护措施.
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| 关 键 词： | 长管道输水系统 停泵水力过渡过程 关阀程序 空气阀 单向调压塔 |
An Analysis of Pump-stopping Hydraulic Transient in Long-pipe Water Supply System and Its Protection |
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| LIN Qi
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LIU Zhi-yong
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LIU Mei-qing
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LI Qiu-wei.An Analysis of Pump-stopping Hydraulic Transient in Long-pipe Water Supply System and Its Protection[J].China Rural Water and Hydropower,2011(2). |
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| Authors: | LIN Qi LIU Zhi-yong LIU Mei-qing LI Qiu-wei |
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| Institution: | LIN Qi,LIU Zhi-yong,LIU Mei-qing,LI Qiu-wei(College of Power and Mechanical Engineering,Wuhan University,Wuhan 430072,China) |
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| Abstract: | The characteristics of pump-stopping hydraulic transient in long-pipe water supply systems are expounded in this paper.Genetic Algorithm method is used by combining examples The optimization model of close program on pump outlet valve is established.Then the pump-stopping hydraulic transients are calculated and analyzed,the protecting effect of the air valve and the one-way surge tank simulated and compared by using the characteristic line method and presenting the protective measures for water hammer. |
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| Keywords: | long-pipe water supply system pump-stooping hydraulic transient close program of valve air valve one-way surge tank |
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