Table 3 The maximum tangential wind speed of the wind field under different vortex ratios.

From: Study on wind load characteristics of gable roof under tornado

The swirl ratio: s

The maximum tangential wind speed: \({V_{{\text{tmax}}}}\)

0.18

7.5 m/s

0.3

11 m/s

0.5

12 m/s

0.72

11 m/s

0.74

10 m/s

0.8

7.0 m/s