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http://dx.doi.org/10.7836/kses.2015.35.2.053

A Experimental Study on the Boiling Heat Transfer Characteristics of Nanofluids by the Size and Mixing Ratio of Graphene Particle  

Park, Sung-Seek (Nuclear & Energy Engineering, Jeju National University)
Kim, Young Hun (Nuclear & Energy Engineering, Jeju National University)
Kim, Nam-Jin (Nuclear & Energy Engineering, Jeju National University)
Publication Information
Journal of the Korean Solar Energy Society / v.35, no.2, 2015 , pp. 53-62 More about this Journal
Abstract
Boiling heat transfer characteristic is very important in the various industries such as solar thermal system, power generation, heat exchangers, cooling of high-power electronics components and cooling of nuclear reactors. Therefore, in this study, boiling heat transfer characteristics such as critical heat flux (CHF) and heat transfer coefficient under the pool boiling state were tested using graphene nanofluids. Graphene used in this study, which have the same thermal conductivity but with different sizes. The experimental results showed that the highest the CHF and boiling heat transfer coefficient increase ratio for graphene nanofluids was at the 0.01 vol.%. At the present juncture, the CHF and boiling heat transfer coefficient increase ratio of the small-sized graphene nanofluids was higher than the large-sized graphene nanofluids.
Keywords
Graphene; Boiling heat transfer; Critical heat flux; Particle size; Heat transfer coefficient;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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