Distilled water and aqueous fullerene nanofluids having concentrations
of 0.02, 0.2, and 0.4 vol % and titania (titanium dioxide, TiO2) nanofluids of 0.0002, 0.002, and 0.02 vol % were analyzed
for heat transfer characteristics. Quenching mediums were stirred
at impeller speeds of 0, 500, 1,000,
and 1,500 RPMs in a typical Tensi agitation system. During the quenching
process, a metal probe made of ISO 9950 Inconel was used to record
the temperature history. The inverse heat conduction method was used
to calculate the spatial and temporal heat flux. The nanofluid rewetting
properties were measured and matched to those of distilled water.
The maximum mean heat flux was 3.26 MW/m2, and the quickest
heat extraction was 0.2 vol % fullerene nanofluid, according to the
results of the heat transfer investigation.
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