首页>
外文期刊>journal of hydraulic research
>Air entrainment and supersaturation of dissolved air in a shaft under atmospherical and reduced pressure conditions
【24h】
Air entrainment and supersaturation of dissolved air in a shaft under atmospherical and reduced pressure conditions
展开▼
机译：Air entrainment and supersaturation of dissolved air in a shaft under atmospherical and reduced pressure conditions
Air entrainment in secondary (brook) intake shafts creates two types of problems in the waterways of hydro electric power plants; blowouts and supersaturation of dissolved air. Blowouts may damage structures and supersaturation may cause gas-bubble disease in fish. Several preventive measures have been suggested to avoid supersaturation. At Driva hydroelectric plant a so-called vacuum gate was chosen. The present article describes prototype measurement of air entrainment and formation of supersaturation both under atmospheric conditions and under reduced air pressure in the shaft.
展开▼
