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International Journal of Rotating Machinery
Volume 2018, Article ID 1840914, 13 pages
https://doi.org/10.1155/2018/1840914
Research Article

Static Mechanical Properties and Modal Analysis of a Kind of Lift-Drag Combined-Type Vertical Axis Wind Turbine

1College of Science, Northeast Agricultural University, Harbin, China
2Heilongjiang Provincial Key Laboratory of Technology and Equipment for Utilization of Agricultural Renewable Resources in Cold Region, Harbin 150030, China
3College of Engineering, Northeast Agricultural University, Harbin, China

Correspondence should be addressed to Fang Feng; nc.ude.uaen@gnafgnef and Yan Li; moc.361@uaennayil

Received 27 October 2017; Revised 5 July 2018; Accepted 30 July 2018; Published 7 August 2018

Academic Editor: Tareq S. Z. Salameh

Copyright © 2018 Fang Feng et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

In order to explore a set of methods to analyze the structure of Lift-Drag Combined-Type Vertical Axis Wind Turbine (LD-VAWT), a small LD-VAWT was designed according to the corresponding Standards and General Design Requirements for small vertical axis wind turbines. The finite element method was used to calculate and analyze the static mechanical properties and modalities of main parts of a kind of small-scale LD-VAWT. The contours of corresponding stress and displacement were obtained, and first six-order mode vibration profiles of main parts were also obtained. The results show that the main structure parts of LD-VAWT meet the design requirements in the working condition of the rated speed. Furthermore, the resonances of all main parts did not occur during operation in the simulations. The prototype LD-VAWT was made based on the analysis and simulation results in this study and operated steadily. The methods used in this study can be used as a reference for the static mechanical properties and modal analysis of vertical axis wind turbine.