Journal
NANOSCALE RESEARCH LETTERS
Volume 5, Issue 8, Pages 1324-1328Publisher
SPRINGEROPEN
DOI: 10.1007/s11671-010-9646-6
Keywords
Nanofluid; Surface functionalization; Nanoparticle; Heat transfer; Phase change
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A method of surface functionalization of silica nanoparticles was used to prepare a kind of stable nanofluid. The functionalization was achieved by grafting silanes directly to the surface of silica nanoparticles in silica solutions (both a commercial solution and a self-made silica solution were used). The functionalized nanoparticles were used to make nanofluids, in which well-dispersed nanoparticles can keep good stability. One of the unique characteristics of the nanofluids is that no deposition layer forms on the heated surface after a pool boiling process. The nanofluids have applicable prospect in thermal engineering fields with the phase-change heat transfer.
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