坝内单进口旋流式竖井加洞塞组合消能试验研究

Experimental study on energy dissipation by way of single intake gyrating current shaft with a stopper in dam

针对水电工程开发面临的坝高、流量大、河谷窄的问题,提出了新型的坝内旋流式竖井泄洪消能;其结构简单、泄流稳定、工程投资低、可减轻下游河床冲刷、改善坝区环境。通过多方案试验研究,寻求适合高拱坝的大泄量、高消能率的结构型式。

The paper puts forward a new energy dissipator by way of gyrating current shaft in dam, in allusion to high dam, large discharge, narrow river valley. The structure is simple, the water discharge is stable, the investment is relative low, the washing of downstream river bed is light and the environment of dam area is improved. The experimental study of many schemes was carried out to find a structure of high efficiency for energy dissipation to suit high arch dam and large discharge.