年間 18 号発行
ISSN 印刷: 1064-2285
ISSN オンライン: 2162-6561
Indexed in
FLOW BOILING HEAT TRANSFER OF R30 IN PARALLEL MICROCHANNEL HEAT SINKS
要約
This study examined the flow boiling heat transfer characteristics in horizontal rectangular microchannels with hydraulic diameter of 0.5 and 1.0 mm. Experiments were performed with R30 refrigerant under the following conditions: heat flux 1-16 kW·m-2, mass flux 111-333 kg·s-1·m-2, and vapor quality 0-0.35. The results showed that heat transfer was strongly affected by heat flux and vapor quality, while the mass flux remained less influential. The effect of flow regime transition on heat transfer coefficient was discussed through parameter analysis. Previous correlations have been examined and none of them can predict new data with satisfactory accuracy.
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Zhang Zongwei, Xu Wendi, Cao Huiling, Liu Cong, Wang Zhao, Experimental Study of Flow Boiling Heat Transfer of R30 in Microchannels, Journal of Thermophysics and Heat Transfer, 34, 3, 2020. Crossref