Abstract
Various aspects in the design, construction, testing, and modeling of an oscillating water column wave energy extraction system featuring a bi-directional pneumatic turbine are presented. The system is sized to provide 125-kW/sub e/ power output when experiencing 3-m waves. A novel design of a pneumatic turbine has been constructed and is awaiting the commencement of a steady-state test program. Modeling studies are described for the different components of the system as well as for the system as a whole. The objective of these studies is to optimize the energy production of the system given the constraints of the wave environment and the performance description of the turbine/generator equipment. Optimizing the design of the chamber forming the oscillating water column (including its opening to the ocean) and making improvements in turbine performance as suggested by the pending turbine tests will enhance system output.
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