On the thermal performance of wire-screen meshes as heat exchanger material

J. Xu; J. Tian; T.J. Lu; H.P. Hodson

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On the thermal performance of wire-screen meshes as heat exchanger material

机译：金属丝网作为热交换材料的热性能

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Due to large number of design parameters, numerical analysis is inevitable for heat exchanger design with wire-screen structures. This paper establishes a direct simulation method to study the laminar flow and heat transfer at the pore level. The experiment validation proves this analysis is reliable. For both the pressure drop and heat transfer characteristics, various configurations of wire-screen meshes are investigated, where water has been used as coolant. Material properties difference such as conductivity and heat capacity ratios of the two phases are evaluated. Structure porosity is also quantified and it is found that there exists an optimised porosity for the thermal performance. The properties of water at 20 ℃ are used for the fluid phase.

机译：由于大量的设计参数，采用丝网筛的热交换器设计不可避免地会进行数值分析。本文建立了一种直接模拟方法来研究孔隙水平的层流和传热。实验验证证明该分析是可靠的。对于压降和热传递特性，研究了丝网筛网的各种配置，其中水已用作冷却剂。评价两相的材料特性差异，例如电导率和热容比。还对结构孔隙率进行了定量，发现存在针对热性能的优化孔隙率。水在20℃时的性质用于液相。

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来源
《International Journal of Heat and Mass Transfer》 |2007年第6期|p.1141-1154|共14页
作者
J. Xu; J. Tian; T.J. Lu; H.P. Hodson;
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作者单位

Department of Engineering, University of Cambridge, Cambridge CB2 1PZ, UK;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类热力工程理论;热学;
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On the thermal performance of wire-screen meshes as heat exchanger material

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