Drag Coefficient during Strong Typhoons
Author(s) -
Binglan Wang,
Lili Song,
Wenchao Chen
Publication year - 2013
Publication title -
advances in meteorology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.482
H-Index - 32
eISSN - 1687-9317
pISSN - 1687-9309
DOI - 10.1155/2013/650971
Subject(s) - drag coefficient , typhoon , drag , wind speed , parasitic drag , meteorology , atmospheric sciences , atmosphere (unit) , zero lift drag coefficient , atmospheric instability , friction coefficient , environmental science , physics , mechanics , lift induced drag , materials science , composite material
Using data from wind towers during typhoons Hagupit and Nuri, drag coefficient was estimated. The relationship between drag coefficient and atmospheric stability was examined. The results indicate that the drag coefficient decreased when atmosphere stability changed from weakly stable or unstable to neutral. Relationship between drag coefficient and wind speed was also examined, and the results indicate that the relationships between drag coefficient and wind speed were similar to other researchers’ result, but the wind thresholds were different due to different observation sites. Quantitative expressions between drag coefficient and wind speed were derived
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