Efficient multiscale calculation results for microchannel mass transfer

Abstract When the channel height is reduced to a small value such as on the scales of 10 nm or 100 nm, the physical adsorbed layers on the channel walls will participate in the flow, although intermediate between them is a continuum fluid flow. The multiscale simulation results are presented for thi...

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Autor principal:	Yongbin Zhang
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/7299fdd32cdc4f3d937d5c663ad31a42
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spelling	oai:doaj.org-article:7299fdd32cdc4f3d937d5c663ad31a422021-12-02T16:58:09ZEfficient multiscale calculation results for microchannel mass transfer10.1038/s41598-021-89447-22045-2322https://doaj.org/article/7299fdd32cdc4f3d937d5c663ad31a422021-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-89447-2https://doaj.org/toc/2045-2322Abstract When the channel height is reduced to a small value such as on the scales of 10 nm or 100 nm, the physical adsorbed layers on the channel walls will participate in the flow, although intermediate between them is a continuum fluid flow. The multiscale simulation results are presented for this multiscale mass transfer in a narrow slit pore based on the derived flow equations. The results are respectively compared with those calculated from conventional continuum flow theory and from the theory based on the solid layer assumption, when the fluid-wall interaction is respectively weak, medium and strong. The total mass flow rate of the two adsorbed layers is also compared with the mass flow rate of the intermediate continuum fluid. The obtained results show the importance of the incorporation of the adsorbed layer flow by the multiscale scheme when calculating the transferred mass in a microchannel.Yongbin ZhangNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Yongbin Zhang Efficient multiscale calculation results for microchannel mass transfer
description	Abstract When the channel height is reduced to a small value such as on the scales of 10 nm or 100 nm, the physical adsorbed layers on the channel walls will participate in the flow, although intermediate between them is a continuum fluid flow. The multiscale simulation results are presented for this multiscale mass transfer in a narrow slit pore based on the derived flow equations. The results are respectively compared with those calculated from conventional continuum flow theory and from the theory based on the solid layer assumption, when the fluid-wall interaction is respectively weak, medium and strong. The total mass flow rate of the two adsorbed layers is also compared with the mass flow rate of the intermediate continuum fluid. The obtained results show the importance of the incorporation of the adsorbed layer flow by the multiscale scheme when calculating the transferred mass in a microchannel.
format	article
author	Yongbin Zhang
author_facet	Yongbin Zhang
author_sort	Yongbin Zhang
title	Efficient multiscale calculation results for microchannel mass transfer
title_short	Efficient multiscale calculation results for microchannel mass transfer
title_full	Efficient multiscale calculation results for microchannel mass transfer
title_fullStr	Efficient multiscale calculation results for microchannel mass transfer
title_full_unstemmed	Efficient multiscale calculation results for microchannel mass transfer
title_sort	efficient multiscale calculation results for microchannel mass transfer
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/7299fdd32cdc4f3d937d5c663ad31a42
work_keys_str_mv	AT yongbinzhang efficientmultiscalecalculationresultsformicrochannelmasstransfer
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Efficient multiscale calculation results for microchannel mass transfer

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