摘要
介绍了缅甸DAPEIN(Ⅰ)水电工程的概况,通过模型试验研究了冲砂底孔的动水压力特性,指出了原设计体型存在的问题,对底孔堰面体型进行了修改,并对修改后的堰面体型特性进行了分析。指出了负压及空化空蚀是堰面设计中必须注意的问题。
The model test is engaged to examine the hydrodynamic characteristics in the bottom flushing outlet of the o- verflow dam of DAPEIN（ I ） Hydroproject. The result shows that the original designed profile of the outlet weir exists shortcomings which result in negative pressure and cavitation in the bottom outlet. The weir profile is revised according to the test result.
出处
《湖北水力发电》
2009年第3期27-29,共3页
Hubei Water Power
关键词
冲砂底孔
模型试验
动水压力
负压
bottom flushing outlet
model test
hydrodynamic pressure
negative pressure
