Force and PIV local flow measurements were conducted in a low speed wind tunnel to study the effectiveness of serrated Gurney flap at different deflections.
用低速风洞测力试验和襟翼处绕流的PIV测量试验研究锯齿形格尼襟翼在不同偏角下的增升效益。
Through the discussion of the resistance properties of natural ventilation induced by wind force, a method of local pressure loss superposition was proposed to calculate the pressure loss.
探讨了风压作用下大开口的自然通风阻力特性，并提出了用局部损失迭加法来计算阻力损失，即认为通过建筑物的气流是由不同的突缩段和突扩段的组合。
Through the discussion of the resistance properties of natural ventilation induced by wind force, a method of local pressure loss superposition was proposed to calculate the pressure loss.
探讨了风压作用下大开口的自然通风阻力特性，并提出了用局部损失迭加法来计算阻力损失，即认为通过建筑物的气流是由不同的突缩段和突扩段的组合。
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