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http://dx.doi.org/10.13000/JFMSE.2015.27.5.1310

Study on Characteristics of Flow Boiling Heat Transfer in 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.27, no.5, 2015 , pp. 1310-1317 More about this Journal
Abstract
Two-phase flow boiling heat transfer in micro-channels was experimently investigated. The test section consisted of 15 rectangular micro-channels with a depth of 0.45mm, width of 0.20mm. The experiments were performed for heat fluxes ranging from 5.6 to 46.1kW/m2 and mass fluxes from 150 to 450kg/m2s using FC-72 as the working fluid. According to the results, at the low heat flux region, heat transfer coefficient strongly depends on the heat flux, while heat transfer coefficient at the high heat flux region was independent on the heat flux. Four correlations were used to predict the heat transfer coefficient. The measured heat transfer coefficient was compared with four correlations. It was found that Kaew-On and Wongwises's correlation well predicted the measured data, within the MAE of 40.3%.
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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