Morphological effect of a scallop shell on a flapping-type tidal stream generator
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Title
- Morphological effect of a scallop shell on a flapping-type tidal stream generator
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Author(s)
- Le, Tuyen Quang; Ko, Jin Hwan; Byun, Doyoung
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Alternative Author(s)
- Le Quang; 고진환
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Publication Year
- 2013-09
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Abstract
- Inspired by nature, flapping-type tidal stream generators have been introduced in recent years. The improvement in their power generation ability is known to be a critical factor in the success of these generators. So far, corrugation and camber observed in flying insects and swimming animals are known to enhance the performance of a flapping-type propulsive system. In this study, we explore the effect of corrugation and camber in a system that mimics a scallop shell in terms of its ability to extract flow energy through a two-dimensional Navier-Stokes simulation. The simulations show that the size and the activity of the leading edge vortex are strongly affected by the morphological factors of the mimicked foils, the effects of which are then advantageous in terms of the power efficiency of the flapping-type tidal stream generator. Eventually, an optimal mimicked foil, as suggested based on the morphological effects, would be a good alternative type of foil with a typical section with regard to the hydrodynamic performance and structural properties of tidal stream generators.
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ISSN
- 1748-3182
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/3128
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DOI
- 10.1088/1748-3182/8/3/036009
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Bibliographic Citation
- BIOINSPIRATION & BIOMIMETICS, v.8, no.3, 2013
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Publisher
- IOP PUBLISHING LTD
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Subject
- ENERGY EXTRACTION; PERFORMANCE; KINEMATICS
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Type
- Article
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Language
- English
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Document Type
- Article
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