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Issue 14, 2012
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Thermal analysis of nanofluids in microfluidics using an infrared camera

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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

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Supplementary files

Article information


Submitted
01 Mar 2012
Accepted
26 Mar 2012
First published
27 Mar 2012

Lab Chip, 2012,12, 2520-2525
Article type
Paper

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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