小浪底工程明流洞气减蚀设计研究

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小浪底枢纽明流洞水头高、流速大,存在空蚀的可能性。为了减免空蚀对建筑物的危害,根据类似工程的经验,结合小浪底工程明流洞的具体情况, 采用了掺气减蚀措施。设计过程中对掺气坎的形式、布置、保护长度等进行了充分的论证,取得了很好的效果
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