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http://dx.doi.org/10.7316/KHNES.2014.25.6.629

Evaluation of Energy Production for a Small Wind Turbine by Considering the Geometric Shape of the Deokjeok-Do Island  

Jang, Choon-Man (Environmental Engineering Research Div., Korea Institute of Civil Engineering and Building Technology)
Lee, Sang-Moon (Environmental Engineering Research Div., Korea Institute of Civil Engineering and Building Technology)
Jeon, Wan-Ho (Technical Research Lab., CEDIC Co.)
Lim, Tae-Gyun (Technical Research Lab., CEDIC Co.)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.25, no.6, 2014 , pp. 629-635 More about this Journal
Abstract
This paper presents annual energy production (AEP) by a 1.5kW wind turbine due to be installed in Deokjeok-Do island. Local wind data is determined by geometric shape of Deokjeok-Do island and annual wind data from Korea Institute of Energy Research at three places considered to be installed the wind turbine. Numerical simulation using WindSim is performed to obtain flow pattern for the whole island. The length of each computation grid is 40 m, and k-e turbulence model is imposed. AEP is determined by the power curve of the wind turbine and the local wind data obtained from numerical simulation. To capture the more detailed flow pattern at the specific local region, Urumsil-maul inside the island, fine mesh having the grid length of 10m is evaluated. It is noted that the input data for numerical simulation to the local region is used the wind data obtained by the numerical results for the whole island. From the numerical analysis, it is found that a local AEP at the Urumsil-maul has almost same value of 1.72 MWh regardless the grid resolutions used in the present calculation. It is noted that relatively fine mesh used for local region is effective to understand the flow pattern clearly.
Keywords
Annual energy production; Wind energy; Wind density; Numercial prediction; Small wind turbine;
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Times Cited By KSCI : 2  (Citation Analysis)
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