连续直墙式和斜墙式消力坎对比试验研究
Journal of Zhejiang Water Conservancy and Hydropower College(2007)
Abstract
如何有效地解决下泄水流的消能防冲问题是当今水利界较为关注的问题之一.通过对在一定水流条件下直墙式和斜墙式两种坎的消能情况所做的细致的单项试验研究,对比不同形式的消力坎的消能原理和消能效果做了一些初步探讨,证明了不同角度的斜墙式消力坎,坎的倾角越大,消能率越大,同时对下游的冲刷也要比直墙式消力坎严重.采用直墙式消力坎的消力池在下游水深较小时即能产生较强水跃,而采用斜墙式消力坎的消力池只有在下游达到跃后水深后才能产生稳定水跃.
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Key words
energy dissipation,Froude number,hydraulic jump
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