This work investigated an air turbine with self-pitch-controlled blades operating in the airflow generated by an oscillating water column (OWC) under irregular wave conditions to determine turbine performance and identify the optimum blade pitch angle setting. Rotor models with fixed blades were tested under steady flow conditions. The running and starting characteristics of the turbine under irregular wave conditions were determined from a computer simulation that modeled both the turbine and the air chamber. The performance of the air turbine was evaluated and the optimum rotor blade limit was found to be about 10°.
The Optimization of Blade Pitch Settings of an Air Turbine Using Self-Pitch-Controlled Blades For Wave Power Conversion
Contributed by the Solar Energy Division of the American Society of Mechanical Engineers for publication in the ASME JOURNAL OF SOLAR ENERGY ENGINEERING. Manuscript received by the ASME Solar Energy Division, September 2000; final revision June 2001. Associate Editor: D. Berg.
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Kim , T. H., Setoguchi , T., Kaneko , K., and Takao , M. (June 1, 2001). "The Optimization of Blade Pitch Settings of an Air Turbine Using Self-Pitch-Controlled Blades For Wave Power Conversion ." ASME. J. Sol. Energy Eng. November 2001; 123(4): 382–386. https://doi.org/10.1115/1.1408306
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