植物纤维网沙障防风效能的风洞试验
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邓雅文, 俎瑞平, 宗玉梅, 王军战, 李毅
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Wind tunnel simulations on windbreak efficiency of sand barriers made of plant fiber nets
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Yawen Deng, Ruiping Zu, Yumei Zong, Junzhan Wang, Yi Li
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表2 不同规格沙障不同位置10 cm以下防风效能
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Table 2 Windbreak effectiveness below 10 cm at different positions for sand barriers of various specifications
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沙障高度(H)/ 沙障间距(L) | 沙障高度 /cm | 防风效能/% |
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第一道沙障后 | 第一道沙障后1H | 沙障中心 | 第二道沙障前 |
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0.3 | 2 | 26.61 | 50.33 | 61.70 | 44.30 | 4 | 65.13 | 70.73 | 71.29 | 47.11 | 6 | 47.68 | 66.96 | 71.12 | 48.35 | 8 | 49.59 | 66.50 | 69.89 | 63.33 | 0.25 | 2 | 45.99 | 59.30 | 55.75 | 39.69 | 4 | 63.22 | 66.09 | 68.81 | 58.48 | 6 | 60.40 | 66.27 | 70.33 | 71.68 | 8 | 74.37 | 76.97 | 80.18 | 58.68 | 0.2 | 2 | 31.38 | 35.75 | 41.54 | 23.77 | 4 | 54.02 | 70.54 | 66.55 | 55.69 | 6 | 52.09 | 59.69 | 66.17 | 44.79 | 8 | 65.43 | 80.93 | 78.85 | 68.41 | 0.15 | 2 | 42.62 | 51.06 | 59.43 | 45.87 | 4 | 55.82 | 55.83 | 59.41 | 44.32 | 6 | 53.67 | 56.54 | 63.95 | 59.69 | 8 | 51.23 | 73.10 | 74.94 | 53.24 | 0.1 | 2 | 17.99 | 51.30 | 58.32 | 36.22 | 4 | 52.16 | 59.80 | 67.54 | 50.55 | 6 | 54.50 | 74.67 | 65.75 | 51.57 | 8 | 61.31 | 80.88 | 85.03 | 72.21 | 0.05 | 2 | 38.59 | 48.80 | 55.03 | 33.26 | 4 | 57.26 | 61.17 | 72.58 | 35.58 | 6 | 53.60 | 66.83 | 74.80 | 28.99 | 8 | 55.61 | 74.55 | 75.97 | 58.98 |
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