SIMULATION OF VERTICAL AXIS WIND TURBINES WITH VARIABLE PITCH FOILS

被引：0
|
作者：
Woods, L. Damon [1 ]
Gardner, John F. [1 ]
Myers, Kurt S. [2 ]
机构：
[1] Boise State Univ, Boise, ID 83725 USA
[2] Idaho Natl Lab, Idaho Falls, ID 83415 USA
来源：
PROCEEDINGS OF THE ASME INTERNATIONAL MECHANICAL ENGINEERING CONGRESS AND EXPOSITION, 2013, VOL 6B | 2014年
关键词：
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
A dynamic computer model of a turbine was developed in MATLAB in order to study the behavior of vertical axis wind turbines (VAWTs) with variable pitch (articulating) foils. The simulation results corroborated the findings of several empirical studies on VAWTs. The model was used to analyze theories of pitch articulation and to inform the discussion on turbine design. Simulations of various models showed that pitch articulation allowed Darrieus-style vertical axis wind turbines to start from rest. Once in motion, the rotor was found to accelerate rapidly to very high rotational velocities. The simulations revealed a plateau region of high efficiency for small-scale Darrieus-style VAWTs with symmetric airfoils at tip speed ratios in the range of 3 to 4 and demonstrated the advantages of using a dynamic generator load.
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页数：9
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