摘要
采用四种不同的方法确定阻抗式调压室局部水头损失系数,利用水锤—调压室联合计算分析了阻抗式调压室局部水头损失特性的表达方式对调压室涌浪以及调压室底部节点压力计算精度的影响。结果表明,对于重要工程,在实际过渡过程计算中除了按四种确定阻抗系数的方法进行调压室涌浪计算外,应尽可能地辅以调压室模型试验来具体确定调压室的局部阻抗系数。
Four different methods of determining the head loss coefficients of throttled surge tankhave been employed toinvestigate the effect of methods on the accuracy of calculating surge and pressure head of throttled surge tank.The study shows that error does exist in four different methods of determiningthe head loss coefficients of throttled surge tank,and it is necessary to combine the experimental data and modeling result for determining the head loss coefficient in transient calculations including surge tank system.
出处
《水电能源科学》
2005年第6期57-59,共3页
Water Resources and Power
关键词
阻抗式调压室
调压室涌浪
水头损失系数
数值计算
模型试验
throttled surge tank
surge wave in surge tank
head loss coefficients
numerical calculating
experimental data
作者简介
宋长福（1977-），男，助理工程师，研究方向为城市水务，E—mail：scf_email@163．com
