HEAT TRANSFER CHARACTERISTICS OF SWIRLING IMPINGING JETS

被引：0

作者：

Brown, Karl J. ^{[1
]}

Persoons, Tim ^{[1
]}

Murray, Darina B. ^{[1
]}

机构：

[1] Trinity Coll Dublin, Dept Mech Engn, Dublin 2, Ireland

来源：

PROCEEDINGS OF THE ASME INTERNATIONAL HEAT TRANSFER CONFERENCE - 2010, VOL 5: FUEL CELLS, GAS TURBINES, HEAT PIPES, JET IMPINGEMENT, RADIATION | 2010年

关键词：

Heat transfer swirling impinging jet fluctuations; VISUALIZATION; FLOW;

D O I：

暂无

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Impinging jets are well renowned for their abilities to achieve significantly high heat transfer coefficients. It has been found in previous studies that the incorporation of a swirl in the flow can enhance heat transfer but it can also decrease it. The objective of this research is to discover the defining characteristics of swirling impinging jets and to find an optimal swirl geometry for enhancing the heat transfer of the system. Using thermal imaging and hot film sensor techniques the heat transfer distribution of the swirling jet is examined in the context of the flow field; heat flux fluctuations at the impinging surface are investigated also.

引用

页码：657 / 665

页数：9

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