双层网盾状沙障防风固沙效益的风洞试验

屈建军, 朱志昊, 李启航, 高永平, 林婷

Wind tunnel test on windbreak and sand-fixing effect of double-layer net shield sand barrier

Jianjun Qu, Zhihao Zhu, Qihang Li, Yongping Gao, Ting Lin

表2 不同类型网盾状沙障输沙量拟合结果

Table 2 Fitting results of sediment discharge in different types of net shield sand barrier

孔径 /mm	风速 /(m·s^-1)	单层					双层
孔径 /mm	风速 /(m·s^-1)	c	d	f	R²	P	c	d	f	R²	P
2	10	0.001	0.277	2.786	0.989	<0.001	-0.001	0.161	5.157	0.645	<0.001
	14	0.042	2.147	3.476	0.976	<0.001	0.034	2.238	2.964	0.984	<0.001
	18	0.287	13.571	3.338	0.979	<0.001	0.235	9.369	3.332	0.980	<0.001
3	10	0.003	0.442	2.652	0.991	<0.001	0.002	0.275	2.924	0.985	<0.001
	14	0.055	2.356	3.871	0.966	<0.001	0.077	1.548	4.693	0.928	<0.001
	18	0.324	10.958	4.811	0.962	<0.001	0.264	6.180	6.337	0.962	<0.001
4	10	0.003	0.487	2.652	0.989	<0.001	0.002	0.336	2.950	0.987	<0.001
	14	0.034	1.449	5.892	0.967	<0.001	0.062	2.029	3.605	0.966	<0.001
	18	0.238	7.212	4.351	0.960	<0.001	0.297	7.907	4.768	0.973	<0.001
8	10	0.002	0.401	2.440	0.991	<0.001	0.001	0.265	2.899	0.993	<0.001
	14	0.052	2.301	3.541	0.959	<0.001	0.033	1.371	4.429	0.973	<0.001
	18	0.271	8.769	4.426	0.956	<0.001	0.197	6.187	5.375	0.965	<0.001