IAHR, founded in 1935, is a worldwide independent member-based organisation of engineers and water specialists working in fields related to the hydro-environmental sciences and their practical application. Activities range from river and maritime hydraulics to water resources development and eco-hydraulics, through to ice engineering, hydroinformatics, and hydraulic machinery.
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You are here : eLibrary : IAHR World Congress Proceedings : 34th Congress - Brisbane (2011) : THEME 4: Responding to Shifting Water Resources : Evaluation of vortex-suppressing devices installed in intake channel of hydropower facility using le...
Evaluation of vortex-suppressing devices installed in intake channel of hydropower facility using les
Author : N. Hisasue1 , A. Nakayama2
Simulations of flows with complicated vortex-suppressing devices that are important in designs of real hydropower facilities are conducted. It is attempted to reproduce the flow with vortexsuppressing devices by Large Eddy Simulation. The results are examined to evaluate effects of various vortex-suppressing devices. Vortex-suppressing devices include the inclined end wall of the intake channel and the horizontal beams placed near the free surface at the end of the intake channel. These devices are used to suppress the swirling motion in the horizontal directions near the free surface. The present results indicate that effects of vortex-suppressing devices are significant and that the horizontal vane appears to be the most effective and practical.
File Size : 1,034,330 bytes
File Type : Adobe Acrobat Document
Chapter : IAHR World Congress Proceedings
Category : 34th Congress - Brisbane (2011)
Article : THEME 4: Responding to Shifting Water Resources
Date Published : 01/07/2011
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