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《2.5,~2 V形网板》是农业部行业标准。本文详述了制定该标准的依据和各项主要参数。标准同板的翼弦(1)2060mm、翼展(b)1260mm、展弦比(A)0.635、板面折角15°～16°,质量280±10kg,面积计算式:s=1b-0.8R~2。并介绍了通过网板模型的风洞试验得出网板升阻力系数等的流体动力特性曲线。
“2.5, ~ 2 V-shaped mesh” is the Ministry of Agriculture industry standards. This article details the basis for the development of the standard and the main parameters. The standard plate chord (1) 2060mm, span (b) 1260mm, aspect ratio (A) 0.635, plate angle 15 ° ~ 16 °, mass 280 ± 10kg, the area of the formula: s = 1b-0.8R ~ 2. The hydrodynamic characteristic curve of the coefficient of lift resistance of the stencil is obtained through the wind tunnel test of the stencil model.