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http://dx.doi.org/10.5293/kfma.2013.16.3.005

Operational Vibration Experiment and Analysis of a Small Vertical-Axis Wind Turbine Considering the Effect of a Tower Stiffness  

Choo, Heon-Ho (Graduate School of Mechanical and Aerospace Engineering, Gyeongsang National University)
Sim, Jae-Park (Graduate School of Mechanical and Aerospace Engineering, Gyeongsang National University)
Oh, Min-Woo (Graduate School of Mechanical and Aerospace Engineering, Gyeongsang National University)
Kim, Dong-Hyun (Dept. of Aerospace and System Engineering, Research Institute for Green Energy, Gyeongsang National University)
Publication Information
The KSFM Journal of Fluid Machinery / v.16, no.3, 2013 , pp. 5-9 More about this Journal
Abstract
In this study, operational vibration experiment and analysis have been conducted for the 4-blade small vertical-axis wind turbine (VAWT) including the effect of tower elastic behavior. Computational structural dynamics analysis method is applied to obtain Campbell diagram for the VAWT with elastic tower. An open type wind-tunnel is used to change and keep the wind velocity during the ground test. Equivalent elastic tower is used to support the VAWT so that the effect of elastic stiffness of the tower can be considered in the present vibration experiment. Various excitation conditions with wind loads are considered and the dominant operating vibration phenomena are physically investigated in detail.
Keywords
Vertical-Axis Wind Turbine; Vibration Experiment; P3 Strain Indicator; Lab-VIEW System; Computational Structural Dynamics;
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