By modifying the thickness of the blade trailing edge, research influences of the blade trailing edge to the aerodynamic performance and noise levels.
通过修改叶型尾缘厚度,研究叶型尾缘厚度对风洞风扇的气动性能和噪声水平的影响。
参考来源 - 风洞风扇的低噪声桨叶设计·2,447,543篇论文数据，部分数据来源于NoteExpress
甘蔗叶型主要包括两个方面：叶片角度和叶面积大小。
The leaf types of sugarcane mainly includes two characteristics:leaf area and leaf angle with main stalk.
通风机叶片在原始叶型选定后，叶片形状只能由叶型中线确定。
Fan blade form is only determined by centerline of blade form after selecting original blade form.
此外还给出了两种叶尖间隙和两种叶型对失速颤振影响的实验结果。
This paper also presents the experimental results of effects of the blade tip clearance and the airfoil shape on the stall flutter boundary.
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