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A parametric study on the perfprmance of tidal stream VAT using a simplified flow model
- Authors
- Song, M.; Kim, M.-C.; Hyun, B.-S.; Rhee, S.-H.
- Issue Date
- 2012
- Keywords
- power coefficient; renewable marine energy; tidal stream energy converter; tip-speed ratio; vertical axis turbine
- Citation
- Program Book - OCEANS 2012 MTS/IEEE Yeosu: The Living Ocean and Coast - Diversity of Resources and Sustainable Activities
- Journal Title
- Program Book - OCEANS 2012 MTS/IEEE Yeosu: The Living Ocean and Coast - Diversity of Resources and Sustainable Activities
- ISSN
- 0000-0000
- Abstract
- The effect of the design parameters of the vertical axis turbines used for the tidal current power generation is investigated by using a simple two-dimensional flow model. The power coefficient was calculated as a function of the tip-speedratio, with varying the turbine radius, the blade's chord length and the pitch angle, while the lift and drag characteristics of a known symmetric hydrofoil is taken as an approximate function. The variable pitch showed to improve the overall efficiency of the turbine including better cut-in characteristics and some reduced shaft excitation. © 2012 IEEE.
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Related Researcher
- Song, Mu seok
- Science & Technology (Naval Architecture & Ocean Engineering)