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http://dx.doi.org/10.13000/JFMSE.2016.28.5.1388

A New Correlation on Heat Transfer Coefficient in Horizontal Multi Channels  

CHOI, Yong-Seok (Korea Maritime and Ocean University)
LIM, Tae-Woo (Korea Maritime and Ocean University)
Publication Information
Journal of Fisheries and Marine Sciences Education / v.28, no.5, 2016 , pp. 1388-1394 More about this Journal
Abstract
This paper presents a experimental study of two-phase flow boiling of FC-72 in multi channels. Flow boiling heat transfer coefficients are obtained with mass flux ranging from 152.9 to $353.9kg/m^2s$ and heat flux from 5.6 to $46.1kW/m^2$. The experimental results show that the heat transfer is governed by nucleate boiling mechanism in the low heat flux region. However, it is found that the effects of nucleate boiling and forced convection boiling are combined as the heat flux increases. A new correlation to predict the heat transfer coefficient is developed by using the dimensionless number such as Reynolds number, Weber number, boiling number. This correlation shows good predictive accuracy against the measured data.
Keywords
Boiling; FC-72; Heat transfer coefficient; Multi channels; Two-phase flow;
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Times Cited By KSCI : 5  (Citation Analysis)
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