Journal
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
Volume 115, Issue -, Pages 737-742Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijheatmasstransfer.2017.07.107
Keywords
Microencapsulated phase change material; Latent functional thermal fluid; Slurry; Convective heat transfer coefficient
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Funding
- National Natural Science Foundation of China [U1407125]
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Latent functional thermal fluid (LFTF) has a higher heat capacity compared with traditional fluid. In this paper, microencapsulated phase change material (MicroPCM) slurry as LFTF, which was composed of water/ethanol as base fluid and parafin/melaine resin MicroPCM as additive, was prepared. The physical and thermal properties of the slurry with different MicroPCM mass fractions had been studied. In addition, the heat transfer performance of base fluid and MicroPCM slurry in a horizontal circular tube had been experimentally investigated. The results showed that the convective heat transfer coefficients of MicroPCM slurry were about 2 times and 3 times higher than that of base fluid when the mass fractions of MicroPCM were 5% and 10%, respectively. This indicated that the MicroPCM had great potential applications in heat transport and thermal energy storage. (C) 2017 Elsevier Ltd. All rights reserved.
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