期刊
RENEWABLE ENERGY
卷 34, 期 10, 页码 2246-2251出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.renene.2009.02.024
关键词
Nevada; Wind energy assessment; Wind power density; Air density; Turbulence Intensity; Wind gust
资金
- DOE NREL [NCL3-32455-01, NDO-5-44431-01]
The wind potential in western Nevada was assessed by using wind, temperature, and pressure data over a period of four and half years from four 50 m tall towers. The seasonal wind patterns for all towers show a maximum during the spring season. Diurnal wind speed patterns for all seasons and months showed a minimum during the late morning and a maximum during the late afternoon. The highest values are during the spring season with multi-annual hourly wind speeds at or above 8 m/s and relative frequency of the wind speed in the optimum turbine range (5-25 m/s) of 70% or higher for the Tonopah tower, with lower values for the other three towers. The monthly power law index values are lower than the standard value 0.147 (in general 0.13 or lower). The hourly turbulence intensities were higher at lower elevations, with values of about 0.35 or higher at the 10 m level and at lower wind speed range (5.0 m/s or less). Higher turbulence intensities were found for all towers and heights during the spring and summer seasons and lower values during the rest of the year, The daily gust factor for the 2003-2007 composite data sets shows low probabilities (2% or less) of the wind gusts exceeding 25 m/s. (C) 2009 Elsevier Ltd. All rights reserved.
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