半湿润地区农田土壤粉尘释放的风洞模拟研究

王仁德, 邹学勇, 赵婧妍

Farmland Soil Dust Emission in Semi-humid Areas by Wind-tunnel Simulation

Ren-de WANG, Xue-yong ZOU, Jing-yan ZHAO

表2 不同风速下释放粉尘粒度组成特征(μm)

Table 2 Size composition of emitting dusts in different wind speeds

风速 （m/s） 粒度等级 50~20 20~10 10~5 5~1 <1 4 66.16 14.91 10.81 7.71 0.42 6 72.32 13.53 8.35 5.47 0.33 8 74.11 14.78 7.34 3.60 0.17 10 80.79 11.11 5.40 2.61 0.09 12 82.87 9.44 4.78 2.76 0.15 14 82.02 9.54 5.21 3.09 0.14