|本期目录/Table of Contents|

[1]李博,钱红玉,张立,等. 叶片穿孔小型轴流风扇气动性能的研究[J].浙江理工大学学报,2013,30(01):76-80.
　LI Bo,QIAN Hong yu,ZHANG Li,et al. Aerodynamic Performance Study on Small Axial Fan with Perforation Blades[J].Journal of Zhejiang Sci-Tech University,2013,30(01):76-80.
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 叶片穿孔小型轴流风扇气动性能的研究()
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浙江理工大学学报[ISSN:1673-3851/CN:33-1338/TS]

卷:
第30卷
期数:
2013年01期
页码:
76-80
栏目:
出版日期:
2013-01-20

文章信息/Info

Title:
 Aerodynamic Performance Study on Small Axial Fan with Perforation Blades
文章编号:
TM925.11
作者:
 李博;  钱红玉;  张立;  金英子
 浙江理工大学机械与自动控制学院, 杭州 310018
Author(s):
 LI Bo;  QIAN Hongyu;  ZHANG Li;  JIN Yingzi
 School of Machinery and Automation, Zhejiang SciTech University, Hangzhou 310018, China
关键词:
 ; 轴流风扇;  穿孔;  噪声;  频率
分类号:
1673\|3851 (2013) 01\|0076\|05
文献标志码:
A
摘要:
    以小型轴流风扇为原型,对其叶片进行穿孔设计，采用kε两方程湍流模型和大涡模拟数值分析风扇的内部流场，对比分析原型风扇和叶片穿孔以后风扇的静特性和气动声学特性。结果显示：叶片穿孔后，在整个计算流量下，风扇的静压升稍有下降，但在最佳工况点时，风扇的静压升基本上和原型风扇相当；涡脱落位置更靠近叶顶；在出口区，涡流消失点向下游移动、涡量减弱，风扇的噪声整体减小，但在不同的频段噪声降低幅度不同，在35~45 kHz频率范围内，噪声降低幅度最大。这些研究结果说明，在风扇最佳工况点下采用叶片穿孔方法来降低噪声的方法是可行的。

参考文献/References:

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备注/Memo

备注/Memo:
 收稿日期： 2012-06-08
基金项目： 国家自然科学基金（51276172);浙江省科技计划项目（2011C16038，2011C11073）；浙江省自然科学基金（51006090）
作者简介： 李博(1987-)，男，河南唐河人，硕士研究生，主要从事流场测试及计算的研究。
通信作者： 金英子,jin.yz@163.com
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