Turbine Efficiency Loss Associated with Draft Tube Aeration

by Donald C. Raney, Univ of Alabama, University, AL, USA,



Document Type: Proceeding Paper

Part of: Hydraulics and Hydrology in the Small Computer Age

Abstract: Draft tube aeration is one method for improving the dissolved oxygen content of hydroelectric discharge. A simple analytical procedure is presented for estimating the loss in turbine efficiency association with draft tube aeration. The calculated efficiency loss is compared with measured efficiency loss values from operational systems.

Subject Headings: Aeration | Dissolved oxygen | Hydro power | Turbines | Power plants | Water pollution | Water discharge measurement | Hydraulics

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