| 有连接管的调压室水头损失系数研究 |
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| 引用本文： | 宋长福,夏小娟.有连接管的调压室水头损失系数研究[J].水利科技与经济,2005,11(10):604-606. |
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| 作者姓名： | 宋长福 夏小娟 |
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| 作者单位： | 1. 上海市徐汇区水务署,上海,200232
2. 上海勘测设计研究院,上海,200434 |
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| 摘 要： | 利用调压室水头损失的局部模型试验成果,研究了连接管中水流方向、连接管尺寸以及流量比对具有连接管的阻抗式调压室水头损失系数的影响。研究结果表明,调压室水头损失系数并不是仅与水流方向、连接管尺寸有关的常数,因此在对调压室系统的水力过渡过程计算中,需结合模型试验成果和数值计算结果分析确定调压室水头损失系数。
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| 关 键 词： | 调压室 模型试验 连接管 水头损失系数 数值计算 |
| 文章编号： | 1006-7175(2005)10-0604-03 |
| 收稿时间： | 06 3 2005 12:00AM |
| 修稿时间： | 2005年6月3日 |
Head Loss Coefficients of Throttled Surge Tanks with the Linking Pipe |
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| SONG Chang-fu,XIA Xiao-juan.Head Loss Coefficients of Throttled Surge Tanks with the Linking Pipe[J].Water Conservancy Science and Technology and Economy,2005,11(10):604-606. |
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| Authors: | SONG Chang-fu XIA Xiao-juan |
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| Abstract: | Based on the partial modeling result of tailrace surge tank,a study on the hydraulic characteristics of the throttled surge tanks with the linking pipe is made by table-lookup calculation and experience formula calculation in respect of water flaw direction in the linking pipe and the effect of pipe diameter and flow ration on the head loss coefficient of the surge tank.The study shows that error does exist in the experiment,and it is necessary to combine the modeling result and numerical calculations for determining the head loss coefficient in transient calculations including surge tank system. |
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| Keywords: | surge tank experimental data linking pipe head loss coefficients numerical calculating |
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