Abstract：
:Graphene is expected to be used in separation applications such as desalination. However, it is difficult to predict the flow phenomena at the nanoscale using the conventional continuum law. Particularly at a Knudsen number (Kn) of >0.1, which is applied in filtration, it has been reported that not even slip boundary conditions can be applied. In this study, to identify the parameters that affect the applicability of the continuum law, we conducted a fluid permeation simulation using graphene. The deviation of the permeability from that of the continuum model was calculated by changing the channel width, fluid temperature, and fluid type. The result showed that the channel width has the largest influence among the three factors, and that the magnitude of the divergence is sorted out based on the Knudsen number. Therefore, the permeability can be predicted even at the nanoscale where the continuum law cannot be applied.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Yamada T,Matsuzaki Rdoi
10.1038/s41598-019-49131-ysubject
Has Abstractpub_date
2019-09-03 00:00:00pages
12677issue
1issn
2045-2322pii
10.1038/s41598-019-49131-yjournal_volume
9pub_type
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