流体机械

2001, (08) 16-18+4

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新型低噪声通风机的无喘振特性
No-surging Characteristics of New Type Lower Noise Fan

吕文灿,陈黎明,杨德勇,谢守伟
Lv Wencan et al

摘要(Abstract):

阐述了新型低噪声通风机的设计计算方法、喘振工况产生和消除条件和零流量无喘振工况的创新特点
A new type of fan with no surging characte ristics is developed. The aerodynamic theory for three dimensional flow and internal encircling control along blade surfaces have been used. The design and calculation methods and the control principle of the new advance for no surging working ranges at zero flow were clarified.

关键词(KeyWords): 准正交面;绕流控制;旋转分离;失速与喘振
quasi orthogonal surface,encircling control,rotating separation, stall and surging

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作者(Author): 吕文灿,陈黎明,杨德勇,谢守伟
Lv Wencan et al

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