Research on Solidity of Horizontal-Axis Tidal Current Turbine

Xiancheng Wang, Hao Li (), Junhua Chen, Chuhua Jiang and Lingjie Bao
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Xiancheng Wang: College of Science & Technology, Ningbo University, Cixi 315300, China
Hao Li: Faculty of Mechanical Engineering & Mechanics, Ningbo University, Ningbo 315000, China
Junhua Chen: College of Science & Technology, Ningbo University, Cixi 315300, China
Chuhua Jiang: College of Science & Technology, Ningbo University, Cixi 315300, China
Lingjie Bao: Faculty of Mechanical Engineering & Mechanics, Ningbo University, Ningbo 315000, China

Energies, 2023, vol. 16, issue 8, 1-17

Abstract: In this paper, the blade solidity of the tidal current turbine was investigated. Based on the blade element momentum theory, different design flow velocities were selected to design two blade types with different solidities. The geometric parameters of the blade were calculated using MATLAB programming, and the performance of two blades was compared in terms of the start-up flow rate, power generation and thrust by test experiment, which showed that the blade with higher solidity has better start-up performance and higher energy capture efficiency at low flow rates. The performance is better than that of the blade with low solidity, but due to the high solidity, the thrust is also high, which should be taken into account when installing the turbine.

Keywords: tidal current capture device; MATLAB; solidity of blade (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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