NDLI: The effects of graphene oxide nanosheets and ultrasonic oscillation on the supercooling and nucleation behavior of nanofluids PCMs

Content Provider	Springer Nature Link
Author	Liu, Yudong Liu, Yumin Hu, Pengfei Li, Xin Gao, Runnan Peng, Quangui Wei, Liuzhu
Copyright Year	2014
Abstract	Nanofluids phase change materials (PCMs) have attracted extensive attention in cold storage applications recently. This paper presents a latest experimental research about the effects of graphene oxide nanosheets and ultrasonic oscillation on the nucleation behavior and supercooling degree of nanofluids PCMs. The results demonstrate that the supercooling degree of nanofluids is suppressed considerably, and the maximum reduction of supercooling degree was 69.1 %; the nucleation started by 90.7 % time in advance, which indicates that nucleation is easier to achieve in nanofluids because of the heterogeneous nucleation aroused by graphene oxide nanosheets. On the other hand, it is observed that ultrasound oscillation also makes a great contribution to reducing the nucleation time and supercooling degree, and the supercooling degree is almost zero in graphene oxide nanofluids under ultrasound radiation. It is believed that graphene oxide nanofluids will be the excellent candidates for the cold storage materials because of their lower supercooling degrees and shorter nucleation time.
Starting Page	81
Ending Page	89
Page Count	9
File Format	PDF
ISSN	16134982
Journal	Microfluidics and Nanofluidics
Volume Number	18
Issue Number	1
e-ISSN	16134990
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-05-08
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Nanofluids Graphene oxide Ultrasonic oscillation Supercooling degree Nucleation Engineering Fluid Dynamics Biomedical Engineering Analytical Chemistry Nanotechnology and Microengineering
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology Materials Chemistry Condensed Matter Physics Electronic, Optical and Magnetic Materials

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