重庆理工大学学报（自然科学版）2016，Vol.30Issue(9)：49-54,6.DOI:10.3969/j.issn.1674-8425(z).2016.09.008
叶片扭转角度对微型离心风机性能的影响
Research on Angle of Twisted Blade of to the Performance of Micro Centrifugal Fan
张楠桢 1唐豪1
作者信息
- 1. 南京航空航天大学 能源与动力学院，南京 210016
- 折叠
摘要
Abstract
This paper studied the effect of centrifugal impeller to dynamic performance under different twisted angle by using the CFD technology.Through the study it was found that the change of twisted angle of blade has significant effect on micro centrifugal fan,and the twisted blade urges the pressure and suction side along the blade height shown “C”type distribution,reducing the loss of flow.The efficiency of micro centrifugal fan with twisted blade is higher than the fan with straight one. Comparing the twisted angle of blade to different orientation,it has shown that the positive twisted angle can make the pressure gradient at the root of blade negative,driving the boundary layer of the blade at the root into the mainstream which avoids accumulation and separation of boundary layer, transforming more mechanical energy to pressure energy and enhancing the performance of micro centrifugal fan.关键词
离心风机/扭叶片/CFD 数值研究/气动性能/压力分布Key words
centrifugal blower/twisted blade/CFD numerical investigation/aerodynamic performance/pressure distribution分类
轻工业引用本文复制引用
张楠桢,唐豪..叶片扭转角度对微型离心风机性能的影响[J].重庆理工大学学报（自然科学版）,2016,30(9):49-54,6.
