倪汉根.宽尾墩—消力池的简化计算方法[J].水利学报,1998,29(6):0019-0025 |
宽尾墩—消力池的简化计算方法 |
A simplified hydraulic calculation method for flaring gate pier-stilling basin |
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DOI: |
中文关键词: 底流消能 宽尾墩 等效分流比 |
英文关键词: energy dissipation flaring gate pier equivalent spatial flow ratio |
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中文摘要: |
本文对含有分流的水跃方程的特性进行了讨论,提出了宽尾墩—消力池等效分流比的概念,利用安康等几个工程的试验资料给出了等效分流 比和的关系,讨论了宽尾墩—消力池优于平尾墩消力池的条件,并用算例表明了用等效分流比估算宽尾墩—消力池的跃后水深或选择宽尾墩的收缩比是非常方便的。 |
英文摘要: |
In this paper a new concept named equivalent spatial flow ratio for the flaring gate pier-stilling basin is suggested. From analyzing some engineering experimental results an empirical relationship between the value of a(e为下标) and the ratio E(0为下标)/h(k为下标)and B'/B(0为下标)was obtained. The numerical examples show that the simplified method proposed is very convenient for calculation. |
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