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A new heat propagation velocity prevails over Brownian particle velocities in determining the thermal conductivities of nanofluids
Cited 17 time in
Web of Science
Cited 22 time in Scopus
- Authors
- Issue Date
- 2011-04-27
- Publisher
- SPRINGER
- Citation
- NANOSCALE RESEARCH LETTERS; Vol.6 ; -
- Abstract
- An alternative insight is presented concerning heat propagation velocity scales in predicting the effective thermal conductivities of nanofluids. The widely applied Brownian particle velocities in published literature are often found too slow to describe the relatively higher nanofluid conductivities. In contrast, the present model proposes a faster heat transfer velocity at the same order as the speed of sound, rooted in a modified kinetic principle. In addition, this model accounts for both nanoparticle heat dissipation as well as coagulation effects. This novel model of effective thermal conductivities of nanofluids agrees well with an extended range of experimental data.
- ISSN
- 1931-7573
- Language
- English
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