Heat transfer through metal foam-fluid system

被引：18

作者：

Dyga, Roman ^{[1
]}

Placzek, Malgorzata ^{[1
]}

机构：

[1] Opole Univ Technol, Dept Chem & Proc Engn, PL-45271 Opole, Poland

来源：

EXPERIMENTAL THERMAL AND FLUID SCIENCE | 2015年 / 65卷

关键词：

Effective thermal conductivity; Open-cell metal foam; Conduction heat transfer; Convective heat transfer; Foam-fluid system; EFFECTIVE THERMAL-CONDUCTIVITY; ALUMINUM FOAM; ELECTRICAL-CONDUCTIVITY;

D O I：

10.1016/j.expthermflusci.2015.02.021

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The paper reports the current state of the art and results obtained from research into heat transfer through metal foams filled with fluid. The impact of the fluid on the value of so-called effective thermal conductivity of foam and the heat transfer mechanism in a foam-fluid system is described. The experimental research was conducted using three aluminum foams with cells that were filled with air, water and oil. A substantial impact of fluid on the effective thermal conductivity value of metal foams was found. This impact is particularly remarkable in the case of fluid circulations in cellular structure of the foam. A correlation that describes effective thermal conductivity of foam-fluid system was developed. The proposed model also finds its application for convective heat transfer in the intercellular area of foams. (C) 2015 Elsevier Inc. All rights reserved.

引用

页码：1 / 12

页数：12

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