铲削成形多孔翅片强化散热有限元分析与测试

詹顺达; 罗红平; 刘桂贤; 张永俊; 李增新; 赵建社

doi:10.13433/j.cnki.1003-8728.20180093

铲削成形多孔翅片强化散热有限元分析与测试

doi: 10.13433/j.cnki.1003-8728.20180093

詹顺达^1,,
罗红平^1,2, ,,
刘桂贤^1,2,
张永俊^1,2,
李增新¹,
赵建社³

1.
广东工业大学机电工程学院, 广州 510006
2.
广州市非传统制造技术及装备重点实验室, 广州 510006
3.
南京航空航天大学机电学院, 南京 210016

基金项目:

国家自然科学基金项目 50975052

详细信息

作者简介:
詹顺达(1992-), 硕士研究生, 研究方向为精密加工制造、计算机仿真分析, 1018580784@qq.com

通讯作者:
罗红平, 讲师, 博士, luohongping@gdut.edu.cn

中图分类号: TP391.9
计量
- 文章访问数: 775
- HTML全文浏览量: 130
- PDF下载量: 258
- 被引次数: 0
出版历程
- 收稿日期: 2017-12-01
- 刊出日期: 2018-12-05

Analysis and Experimental Study of Enhanced Heat Dissipation of Perforated Fin Radiator Formed in Planning Process

1.
School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou 510006, China
2.
Guangzhou Key Laboratory of Nontraditional Machining and Equipment, Guangzhou 510006, China
3.
College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

摘要

摘要: 对铲削成形多孔翅片散热器结构进行了湍流和固体传热耦合分析。从铲削工艺的特性出发，研究了翅片间距、厚度、开孔密度、孔径等参数对其散热效果的影响。利用自主研发的铲削工艺加工出铝基材料多孔翅片，进行了实际散热效果测试，验证了分析结果的正确性。
- 多孔翅片 /
- 散热器 /
- 铲削加工 /
- 耦合仿真 /
- 强化散热
Abstract: In order to investigate the influences of the structural parameters (such as fin spacing distance, fin thickness, hole density, hole diameters, etc.) on the heat dissipation performance of perforated fin radiator formed in the planning process, multi-physics simulation coupling turbulent fluid flow and solid heat transfer were carried out. The simulated results showed that the heat dissipation efficiency could be enhanced with the increasing of the fin spacing distance, hole density, hole diameter, and with the decreasing of the fin thickness.
- perforated fin /
- radiator /
- planning process /
- coupling simulation /
- intensified heat dissipation

HTML全文

图 1 铲削成形多孔翅片原理

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图 2 物理模型构建

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图 3 不同翅片间距仿真结果

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图 4 翅片开孔影响流场原理图

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图 8 单因素试验仿真结果

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图 5 不同翅片厚度仿真结果

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图 6 翅片开孔数为6和18仿真结果

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图 7 椭圆孔短轴0.6 mm和1.8 mm仿真结果

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图 9 参数灵敏度结果

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图 10 实验及测试平台

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表 1 仿真条件

名称	数值
基板厚度F/mm	4
基板底面加热温度T/℃	55
入风口风速v/(m·s^-1)	5
入风口温度T_v/℃	20
翅片高度H/mm	25
翅片间距D/mm	2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0
翅片厚度W/mm	0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2
翅片椭圆孔数N/个	6, 8, 10, 12, 14, 16, 18
翅片椭圆孔短轴S_a/mm	0.6, 0.8, 1.0, 1.2, 1.4, 1.6, 1.8

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表 2 单因素仿真试验条件

变量数值	其它条件
D分别为2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0 mm	F=4 mm, T=55 ℃, v=5 m/s, T_v=20 ℃, H=25 mm, W=0.8 mm, N=10, S_a=1 mm
W分别为0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2 mm	F=4 mm, T=55 ℃, v=5 m/s, T_v=20 ℃, H=25 mm, D=3 mm, N=10, S_a=1 mm
N分别为6, 8, 10, 12, 14, 16, 18	F=4 mm, T=55 ℃, v=5 m/s, T_v=20 ℃, H=25 mm, D=3 mm, W=0.8 mm, S_a=1 mm
S_a分别为0.6, 0.8, 1.0, 1.2, 1.4, 1.6, 1.8 mm	F=4 mm, T=55 ℃, v=5 m/s, T_v=20 ℃, H=25 mm, D=3 mm, W=0.8 mm, N=10

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