VIBRATIONAL ANALYSIS OF VERTICAL-AXIS WIND-TURBINE BLADES

被引：0
|
作者：
Afzali, Fatemeh [1 ]
Kapucu, Onur [1 ]
Feeny, Brian F. [1 ]
机构：
[1] Michigan State Univ, Dept Mech Engn, E Lansing, MI 48824 USA
来源：
PROCEEDINGS OF THE ASME INTERNATIONAL DESIGN ENGINEERING TECHNICAL CONFERENCES AND COMPUTERS AND INFORMATION IN ENGINEERING CONFERENCE, 2016, VOL 8 | 2016年
基金：
美国国家科学基金会;
关键词：
vertical-axis wind-turbine blades; wind-turbine blade vibration; aerodynamic model; parametric excitation;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this work the derivation of a vibration model for an H-rotor/Giromill blade is investigated. The blade is treated as a uniform straight elastic Euler-Bernoulli beam under transverse bending and twisting deformation. The derivation of the energy equations for the bending and twisting blade and a simplified aerodynamic model is issued. Lagrange's equations are applied to assumed modal coordinates to obtain nonlinear equations of motion for bend and twist. A single quasi-steady airfoil theory is applied to obtain the aeroelastic loads. The behavior of the linearized equation for bend only is examined.
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页数：13
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