水流掺气设施布置型式的研究总结与展望

泄水建筑物在高速水流的作用下常发生空蚀破坏,通常工程中采用掺气减蚀措施来达到对水工建筑物保护的目的。为了总结不同的水流掺气布置型式在高水头大流量的泄流建筑物中的可利用性和重要性,以及各自的主要特点及优缺点,综述了不同型式的掺气措施的结构、原理和工程应用;并对在不同的水力条件下掺气设施布置型式的优化选择及掺气设施布置型式的相关研究进行了总结与展望。

Summary and Prospect of Researches on the Layout of Water Flow Aerators

Cavitation damage often occurs in outlet structure under the action of high-velocity flow.Measures of aeration and cavitation mitigation are often taken in engineering to protect hydraulic structures.The availability and importance of different layout types of water flow aerators in outlet structures with high water head and large discharge were summarized.Their characteristics,advantages and disadvantages,the structure,principle and engineering application of aeration measures in different layout types were reviewed.And the optimal selection of layout types of aerators under different hydraulic conditions was also summarized.