Synthesis and thermal conductivity of microfluidic copper nanofluids--颗粒学报PARTICUOLOGY

Wei, X., & Wang, L. (2010). Synthesis and thermal conductivity of microfluidic copper nanofluids. Particuology, 8(3), 262-271. https://doi.org/10.1016/j.partic.2010.03.001

Synthesis and thermal conductivity of microfluidic copper nanofluids

Xiaohao Wei, Liqiu Wang^*

Department of Mechanical Engineering, The University of Hong Kong, Pokfulam Road, Hong Kong, China

10.1016/j.partic.2010.03.001

Volume 8, Issue 3, June 2010, Pages 262-271

Received 11 September 2009, Revised 16 November 2009, Accepted 3 March 2010, Available online 29 March 2010.

E-mail: lqwang@hku.hk

Highlights

Abstract

A microfluidic chemical solution method is developed for the synthesizing Cu nanofluids. The method replaces batch-based macroreactors in the conventional chemical solution method by continuous-flow microfluidic microreactors, thereby enabling the synthesis of nanofluids with various microstructures. The Cu nanofluids synthesized by this technology show a better stability, remaining stable even after more than 100 h standing. The measured thermal conductivity shows that the presence of nanoparticles can either upgrade or downgrade fluid conductivity, a phenomenon predicted by the recent thermal-wave theory of nanofluids.

Graphical abstract

Keywords

Nanofluids; Heat conduction; Thermal conductivity; Synthesis

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