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http://dx.doi.org/10.9766/KIMST.2016.19.4.551

Vertical Analysis of Wind Speed over South Korea for the Flight Safety of HALE UAV  

Cho, Young-Jun (Observation Research Division, National Institute of Meteorological Sciences)
Ha, Jong-Chul (Observation Research Division, National Institute of Meteorological Sciences)
Choi, Reno K.Y. (Observation Research Division, National Institute of Meteorological Sciences)
Kim, Ki-Hoon (Observation Research Division, National Institute of Meteorological Sciences)
Lim, Eunha (Observation Research Division, National Institute of Meteorological Sciences)
Kim, Su-Bok (Studies & Analysis, Assessments Wing, Korea Air Force)
Yun, Jong-Hwan (Observation Research Division, National Institute of Meteorological Sciences)
Publication Information
Journal of the Korea Institute of Military Science and Technology / v.19, no.4, 2016 , pp. 551-558 More about this Journal
Abstract
We analyzed wind speed over South Korea for HALE UAV(High Altitude Long Endurance Unmaned Aerial Vehicle) flight safety. Annual variation of wind speed at 200 hPa showed that winter season was stronger than summer. According to latitude, wind speeds in January and August were found to be $52{\sim}74m\;s^{-1}$ and $15{\sim}26m\;s^{-1}$, respectively. Wind speed was stronger(weaker) at lower latitudes than higher latitudes in winter(summer). Frequency(%) of wind speed less than threshold value($18m\;s^{-1}$) for the operation date was investigated. The days showing the frequency greater than 60 % in all altitudes of surface ~ 50 hPa showed the range of 1 ~ 33 days at 7 stations. Operation date was the longest period at Gosan. The appropriate date of HALE UAV operation at Gosan and Osan is considered as the middle of July ~ middle of August and end of July ~ early August, respectively. These results can be used to determine the operation date of HALE UAV.
Keywords
HALE UAV; Jet stream; Rawinsonde; Threshold value;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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