Thermal Science 2016 Volume 20, Issue 1, Pages: 99-108
https://doi.org/10.2298/TSCI130929122R
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Experimental investigation of subcooled flow boiling of water/TiO2 nanofluid in a horizontal tube
Rajabnia Hossein (University of Sistan and Baluchestan, Mechanical Engineering Department, Zahedan, Iran)
Abedini Ehsan (University of Sistan and Baluchestan, Mechanical Engineering Department, Zahedan, Iran)
Tahmasebi Ali (University of Sistan and Baluchestan, Mechanical Engineering Department, Zahedan, Iran)
Behzadmehr Amin (University of Sistan and Baluchestan, Mechanical Engineering Department, Zahedan, Iran)
Subcooled flow boiling heat transfer of water/TiO2 nanofluid in a horizontal
tube is experimentally investigated. To validate the experimental apparatus
as well as the experimental procedure, data for distilled water were compared
with the available results on the literature in both single phase and
subcooled flow boiling regime. Experimental investigations were carried out
at three nanoparticles volumetric concentrations of 0.01%, 0.1%, and 5%.
It was found that the nanofluid heat transfer coefficient in single-phase
flow regime augments with the nanoparticle concentration. However, in the
case of subcooled flow boiling regime the heat transfer coefficient decreases
with the nanoparticle volume fractions.
Keywords: nanofluid, subcooled flow boiling, heat transfer coefficient