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Bang, In Cheol
Nuclear Thermal-Hydraulics & Reactor Safety Lab
Research Interests
  • Nuclear Thermal-Hydraulics

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Effects of nanofluids containing graphene/graphene-oxide nanosheets on critical heat flux

Cited 36 times inthomson ciCited 39 times inthomson ci
Title
Effects of nanofluids containing graphene/graphene-oxide nanosheets on critical heat flux
Author
Park, Sung DaeLee, Seung WonKang, SarahBang, In CheolKim, Ji HyunShin, Hyeon SukLee, Dong WookLee, Dong Won
Keywords
Critical heat flux; Deposition layers; Nano-fluid; Nanofluids; Oxide nanosheets; Porous surface; Surface wettability; Thermal conduction; Thermal management
Issue Date
201007
Publisher
AMER INST PHYSICS
Citation
APPLIED PHYSICS LETTERS, v.97, no.2, pp.1 - 3
Abstract
The superb thermal conduction property of graphene establishes graphene as an excellent material for thermal management. In this paper, we selected graphene/graphene oxide nanosheets as the additives in nanofluids. The authors interestingly found that the highly enhanced critical heat flux (CHF) in the nanofluids containing graphene/graphene-oxide nanosheets (GON) cannot be explained by both the improved surface wettability and the capillarity of the nanoparticles deposition layer. Here we highlights that the GON nanofluid can be exploited to maximize the CHF the most efficiently by building up a characteristically ordered porous surface structure due to its own self-assembly characteristic resulting in a geometrically changed critical instability wavelength.
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DOI
http://dx.doi.org/10.1063/1.3459971
ISSN
0003-6951
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MNE_Journal Papers
SNS_Journal Papers
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