A New Structure for Low Speed Wind Turbine in Built-Up Areas

Feng Ji; Xiao Jian Feng; Dong Liang Wang

doi:10.4028/www.scientific.net/AMR.860-863.314

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A New Structure for Low Speed Wind Turbine in Built-Up Areas
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Numerical Simulation Study of Wind and Wave Energy in Yellow River Delta
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Sensorless Control of Doubly-Fed Induction Generator Based on Adaptive Sliding-Mode Observer
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 860-863A New Structure for Low Speed Wind Turbine in...

A New Structure for Low Speed Wind Turbine in Built-Up Areas

Abstract:

Traditional wind turbines are difficulty to work well in built-up areas due to wind conditions of low speed, turbulence and frequent changing direction. A long-term wind observation work has been done to understand the characteristics of urban wind by installing a small weather station on the balcony at top floor of a residential building. Based on the observation results, a new structure for low speed wind turbine in built-up areas was designed. This structure can be used for either horizontal axis wind turbine or vertical axis wind turbine. Some mesh models were established to simulate the effect through CFD software. In this structure, growth rate of wind velocity is about 1.25 times; wind turbulence converts to laminar; and yawing angel of turbine motor shafts neednt change any more. Prototype testing draws better conclusions: growth rate of wind velocity is more than 1.4 times. Therefore, traditional wind turbines can work well in built-up areas through this new structure.

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Periodical:

Advanced Materials Research (Volumes 860-863)

Pages:

314-318

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.860-863.314

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Online since:

December 2013

Authors:

Feng Ji, Xiao Jian Feng, Dong Liang Wang

Keywords:

Frequent Changing Direction, Growth Rate of Wind Velocity, New Structure for Low Speed Wind Turbine, Turbulence

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