Hydraulic Model Studies - Sidney A. Murray Jr., Hydroelectric Plant

by Sultan Alam, Hydropower and River Engineering Dep, France,

Document Type: Proceeding Paper

Part of: Waterpower '89


The power plant is located at the Old River Control of the Lower Mississippi River (Louisiana). It consists of an intake channel about 5000 ft long, a power plant with eight bulb units of 26.9 ft turbine runner diameter, with a total installed capacity of 192 MW, and a tailrace channel about 9000 ft long discharging into the ORC outflow channel. On average, the power plant will use about 60% of the Mississippi flow diverted to the Atchafalaya River in order to maintain the 70/30 split between the two rivers. This paper presents briefly some of the problems encountered in the design of the project and their solutions using two hydraulic scale models: a 1:100 movable bed comprehensive model and a 1:50 movable bed partial model. Model studies covered intake channels, vortex formation, tailrace head recovery, and more.

Subject Headings: Hydraulic models | Power plants | Hydro power | Hydrologic models | Water intakes | Channels (waterway) | Scale models | Rivers and streams | United States | Mississippi River | Louisiana | Mississippi

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