Modeling Aeration Devices for Glen Canyon Dam

by Clifford A. Pugh, US Bureau of Reclamation, Denver, CO, USA,

Abstract: The 41-ft (12. 5-m) diameter tunnel spillways at Glen Canyon Dam experienced major damage during the 1983 spring runoff. This damage was initiated by cavitation. Hydraulic model studies were conducted in the Bureau of Reclamation hydraulic laboratory at a 1:42. 8 scale to determine the location and configuration of an aeration device to prevent damage from reoccurring.

Subject Headings: Hydraulic models | Tunnels | Spillways | Canyons | Dams | Model analysis | Laboratory tests | Aeration

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