期刊
CERAMICS INTERNATIONAL
卷 48, 期 21, 页码 31728-31737出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2022.07.096
关键词
?-Cyclodextrin; Nanofluids; Modification; Stability; Thermal conductivity
资金
- National Natural Science Foundation of China
- [21576225]
Microchannel technology is an effective method for heat transfer in microelectronics, and nanofluids have great potential for application in microchannel heat exchangers. In this experiment, beta-cyclo-dextrin was used to modify ZrO2 nanoparticles and the properties of the modified nanoparticles were studied. The results showed that the modified nanofluid had better stability and higher thermal conductivity compared to the base fluid. Mathematical analysis indicated that beta-cyclodextrin-modified ZrO2 nanofluids have great potential for heat transfer in microelectronic microchannels.
Microchannel technology is an effective method to solve the heat transfer of microelectronics. Nanofluids are considered to have great application potential in microchannel heat exchangers. In this experiment, beta-cyclo-dextrin (beta-CD) was used to modify ZrO2 nanoparticles. The morphology, functional group, and crystal structure of the nanoparticles before and after modification were studied. Ethylene glycol aqueous solution-based nano -fluids were prepared using a two-step method. Its physical properties were studied. The modified nanofluid has better stability. The thermal conductivity of the nanofluid was measured and the mathematical model was analyzed. The results showed that the nanofluid with a concentration of 0.10 vol% was 37.82% higher than the base fluid at 60 degrees C. The results of the mathematical analysis indicate that the fabrication of nanofluids using beta-cyclodextrin-modified ZrO2 has great potential for application in heat transfer in microelectronic microchannels.
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