Novel perturbations between magnetic nanofluid and the thermal fluidic system at heat dissipation

被引：13

作者：

Lee, Ya-Wei ^{[1
]}

Chang, Tien-Li ^{[2
]}

机构：

[1] Natl Def Univ, Chung Cheng Inst Technol, Dept Mechatron Energy & Aerosp Engn, Daxi Township 33551, Tauyuan County, Taiwan

[2] Natl Taiwan Normal Univ, Dept Mechatron Technol, Taipei 106, Taiwan

来源：

MICROELECTRONIC ENGINEERING | 2013年 / 111卷

关键词：

Lorentz force; Magneto-hydrodynamics (MHD); Thermal fluidic systems (TFS); Thermal performance; NANOPARTICLES; PIPE;

D O I：

10.1016/j.mee.2013.01.048

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The thermal fluidic system (TFS), a type of two-phase device, has recently attracted significant attention in mechatronic system cooling. The aim of this study is to use magnetic nanofluid (MNF) with magneto-hydrodynamics (MHD) to enhance the thermal performance of a miniature TFS. The MNF used for the primary working fluid (WF) can be prepared from fine ferromagnetic particles of iron ferrite using a chemical co-precipitation technique. Based on the design of local electromagnetic fields, a transient Lorentz force can be induced within the MNF-based channel flow and thermal convection in MNF can then be actively enhanced. In this study of a novel TFS, the highest thermal performance showed a 41.82 +/- 0.01% enhancement. This study not only shows an effective technique for identifying TFS dynamics, but also provides valuable suggestions for cooling system designs using regular heat transportation. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：58 / 63

页数：6

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