Characteristics of Flow Over the Bucket with Gradually Varied Curvature

by Zengnan Dong, Tsinghua Univ, Beijing, China,
Changzhi Chen, Tsinghua Univ, Beijing, China,
Dongshu Chen, Tsinghua Univ, Beijing, China,

Document Type: Proceeding Paper

Part of: Mechanics Computing in 1990's and Beyond


The bucket of a high spillway dam or a spillway tunnel is one of the parts that easily to be damaged by cavitation. A new type of bucket curve was suggested with gradually varied curvature in this paper. Compared to a monocircle type bucket, that flow condition is improved. But it seems that only change the bucket curve could not avoid the cavitation damage.

Subject Headings: Curvature | Tunnels | Spillways | Dams | Flow patterns | Cavitation | Drop structures

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