Thermal conductivity of nanoscale colloidal solutions (nanofluids)
Publication Type | Journal Article
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Authors | |
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DOI |
10.1103/PhysRevLett.94.025901
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Abstract |
Researchers have been perplexed for the past five years with the unusually high thermal conductivity (k) of nanoparticle-laden colloidal solutions (nanofluids). Although various mechanisms and models have been proposed in the literature to explain the high k of these nanofluids, no concrete conclusions have been reached. Through an order-of-magnitude analysis of various possible mechanisms, we show that convection caused by the Brownian movement of these nanoparticles is primarily responsible for the enhancement in k of these colloidal nanofluids. |
Journal |
Phys. Rev. Lett.
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Volume |
94
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Year of Publication |
2005
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Number |
2
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Pagination |
025901
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Organizations | |
Research Areas | |
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