In this study,the field experiments on the effect of wind guide plate in preventing wind-drift sand was carried out so as to reveal the characteristics of wind speed and sediment discharge behind the wind guide plate. The purposes of the study were to explore the effects of wind deflector on wind velocity and sediment discharge in the middle and upper parts of mobile dune. The results showed that the area where the wind speed was increased behind the wind guide plate was different from the different dip angles of the plate. In general,the maximum wind speed occurred behind the plate for 1.5 m,and the effect of increasing wind speed of the wind guide plate with 45° was significant behind the plate for 1.5 m,that with 25° was significant behind the plate for 3.0 m,and that with 35° was significant behind the plate for 4.5 m. The wind guide plate could be used to effectively increase the total sediment discharge behind the plate,in which the effect of increasing sediment discharge of the mid-angle wind guide plate in a range of 30°-45° was more obvious.The effect of increasing sediment discharge of the wind guide plate with 45° was significant behind the plate for 1.5 m, that with 40° was significant behind the plate for 3.0 m, that with 30° was significant behind the plate for 4.5 m.
ZHANG Chao
,
HAN Yan-long
,
GAO Yong
,
DANG Xiao-hong
,
LI Wan-jiao
,
WANG Ze-yu
,
ZHAI Bo
,
WANG Rui-dong
. Effect of Dip Angles of Wind Guide Plate on Sediment Discharge behind the Plate[J]. Arid Zone Research, 2019
, 36(2)
: 520
-527
.
DOI: 10.13866/j.azr.2019.02.30
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