Issue 14, 2012

Thermal analysis of nanofluids in microfluidics using an infrared camera

Abstract

We present the thermal analysis of liquid containing Al2O3 nanoparticles in a microfluidic platform using an infrared camera. The small dimensions of the microchannel along with the low flow rates (less than 120 μl min−1) provide very low Reynolds numbers of less than 17.5, reflecting practical parameters for a microfluidic cooling platform. The heat analysis of nanofluids has never been investigated in such a regime, due to the deficiencies of conventional thermal measurement systems. The infrared camera allows non-contact, three dimensional and high resolution capability for temperature profiling. The system was studied at different w/w concentrations of thermally conductive Al2O3 nanoparticles and the experiments were in excellent agreement with the computational fluid dynamics (CFD) simulations.

Graphical abstract: Thermal analysis of nanofluids in microfluidics using an infrared camera

Supplementary files

Article information

Article type
Paper
Submitted
01 Mar 2012
Accepted
26 Mar 2012
First published
27 Mar 2012

Lab Chip, 2012,12, 2520-2525

Thermal analysis of nanofluids in microfluidics using an infrared camera

P. Yi, A. A. Kayani, A. F. Chrimes, K. Ghorbani, S. Nahavandi, K. Kalantar-zadeh and K. Khoshmanesh, Lab Chip, 2012, 12, 2520 DOI: 10.1039/C2LC40222J

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