EFFECT OF FIN PITCH AND HEIGHT ON PIN-FIN HEAT SINK PERFORMANCE

被引：0

作者：

Sahray, D. ^{[1
]}

Shmueli, H. ^{[1
]}

Segal, N. ^{[1
]}

Ziskind, G. ^{[1
]}

Letan, R. ^{[1
]}

机构：

[1] Ben Gurion Univ Negev, Dept Mech Engn, Heat Transfer Lab, IL-84105 Beer Sheva, Israel

来源：

PROCEEDINGS OF THE 9TH BIENNIAL CONFERENCE ON ENGINEERING SYSTEMS DESIGN AND ANALYSIS - 2008, VOL 4 | 2009年

关键词：

NATURAL-CONVECTION; RECTANGULAR FINS; HORIZONTAL BASE; VERTICAL BASE; PLATE;

D O I：

暂无

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

In the present work, horizontal-base pin fin heat sinks exposed to free convection in air are studied. They are made of aluminum, and there is no contact resistance between the base and the fins. The sinks have the same base dimensions whereas the fin height and pitch vary. The fins have a constant square cross-section. The effect of fin height and pitch on the performance of the sink is studied experimentally and numerically. In the experiments, the heat sinks are heated using foil electrical heaters. The heat input is set, and temperatures of the base and fins are measured. In the corresponding numerical study, the sinks and their environment are modeled using the Fluent 6.3 software. The results show that heat transfer enhancement due to the fins is not monotonic. The differences between sparsely and densely populated sinks are analyzed for various fin heights.

引用

页码：199 / 205

页数：7

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