Numerical Study of Conventional and Biomimetic Marine Current Turbines in Tandem by Using Openfoam®

Chu, Yung Jeh and Chong, Wen Tong (2018) Numerical Study of Conventional and Biomimetic Marine Current Turbines in Tandem by Using Openfoam®. Journal of Mechanics, 34 (5). pp. 679-693. ISSN 1727-7191, DOI

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The increasing demands on renewable energy nowadays caused the development of marine current turbine industry. In order to improve the current design of marine current turbines, studies were conducted to analyse their hydrodynamic performances during operation. Since most of the time marine current turbines operate in arrays, it is important to understand the interactions between the turbines in order to design the optimum turbine farm. OpenFOAM® was used to simulate the turbine interactions of conventional and biomimetic marine current turbines in tandem configuration. The conventional marine current turbines were referred to Pinon et al. (2012) and Mycek et al. (2013) while the biomimetic marine current turbine was adopted from Chu (2016). The numerical simulations were conducted with turbines in different inter-device distances, A/D. The percentage differences of ''efficiency'', η between the IFREMER-LOMC and the biomimetic turbine case of inter-device distances, A/D = 4, 6, 8 and 10 are 14.3%, 6.4%, 3% and 1.92% respectively. The results show that the power produced by the biomimetic turbines in tandem is comparable with the IFREMER-LOMC turbines when A/D > 4. The biomimetic marine current turbines can be a fair choice due to their potential to have alternative fabrication method of their sheet-like turbine blades.

Item Type: Article
Uncontrolled Keywords: Biomimetic; CFD; Dryobalanops aromatica; Marine current turbine
Subjects: T Technology > TJ Mechanical engineering and machinery
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 04 Sep 2019 01:39
Last Modified: 04 Sep 2019 01:39

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