利奇马台风风场与湍流特征分析
蔡菊珍, 徐集云, 邵鑫, 彭珍, 张宁, 张育慧, 何月

Wind and turbulence characteristics of typhoon Lekima
Juzhen Cai, Xin Shao, Zhen Peng, Ning Zhang, Jiyun Xu, Yuhui Zhang, Yue He
表1 台风过境不同时期的湍流特征对比
Table 1 The comparison of turbulence at different stage during the passage of typhoon
台风前期大风期台风后期
30 m60 m30 m60 m30 m60 m
平均风速(m?s-111.312.018.420.68.411.4
风攻角(°)0.051.290.920.126.55-3.36
顺风方向的湍流强度Iu0.140.110.150.120.190.22
侧向湍流强度Iv0.100.100.100.090.140.22
垂直方向湍流强度Iw0.070.060.070.070.110.13
Iv/Iu0.710.910.670.750.741.00
Iw/Iu0.500.550.470.580.580.59
阵风因子G1.301.251.311.261.461.69
顺风方向积分尺度ISu(m)266.5344.1163.3198.0121.6112.9
侧向积分尺度ISv(m)213.0273.9275.4347.0122.7126.6
垂直方向积分尺度ISw(m)15.749.638.450.088.388.7