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Effect of ionic additive on pool boiling critical heat flux of titania/water nanofluids

Authors
Jung, J.-Y.Kim, H.Kim, M.H.
Issue Date
2013
Keywords
Nanofluid; Ionic additive; Critical heat flux; Heat transfer; Boiling
Citation
Heat and Mass Transfer/Waerme- und Stoffuebertragung, v.49, no.1, pp 1 - 10
Pages
10
Journal Title
Heat and Mass Transfer/Waerme- und Stoffuebertragung
Volume
49
Number
1
Start Page
1
End Page
10
URI
https://www.kriso.re.kr/sciwatch/handle/2021.sw.kriso/986
DOI
10.1007/s00231-012-1055-1
ISSN
0947-7411
Abstract
TiO2/water nanofluids were prepared and tested to investigate the effects of an ionic additive (i.e., nitric acid in this study) on the critical heat flux (CHF) behavior in pool boiling. Experimental results showed that the ionic additive improved the dispersion stability but reduced the CHF increase in the nanofluid. The additive affected the self-assembled nanoparticle structures formed on the heater surfaces by creating a more uniform and smoother structure, thus diminishing the CHF enhancement in nanofluids. ? 2012 Springer-Verlag.
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해양공공디지털연구본부 (해사안전·환경연구센터)
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