影响风幕机（风帘机）效果的因素
风力等级表：自然影响因素
影响风幕机效果的因素
风力等级表：自然影响因素
Factors that influence the effects of an Air Curtain machine
Air flow scale : natural factors of influence
|
Air flow scale |
Explanation |
|
风力等级 |
（KT） |
(m/s) |
说明 |
|
1 |
0.5-1 |
0-0.3 |
Flat calm-smoke curls straight upwards
稳静、烟火袅袅直升 |
|
2 |
1-4 |
0.3-1.6 |
Smoke will weave in a direction
烟会编向 |
|
3 |
4-7 |
1.6-3.4 |
Leaves will move
树叶会动 |
|
4 |
7-11 |
3.4-5.5 |
Branches will move and flags unfurl
树枝会动、旗帜会展开 |
|
5 |
14-17 |
5.5-8.0 |
Sand and dust flies upwards , paper flies
沙尘飞扬、纸会飞、小树枝会摇 |
|
6 |
17-22 |
8.0-10 |
Tree trunks sway and the surface of water ripples
树杆摇动、水面起波纹 | |
