Brinkman‐Forchheimer slip flow subject to exponential space and thermal‐dependent heat source in a microchannel utilizing SWCNT and MWCNT nanoliquids

This communication examines the impact of carbon nanotubes (single‐wall carbon nanotubes [SWCNT] and multi‐wall carbon nanotubes [MWCNT]) on magnetohydrodynamic Brinkman and Forchheimer flow in a planar microchannel with multiple slips. Flow through a porous medium is modeled via Brinkman and Forchh...

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Bibliographic Details
Published in:Heat transfer, Asian research Asian research, 2019-07, Vol.48 (5), p.1688-1708
Main Authors: Shehzad, Sabir Ali, Mahanthesh, Basavarajappa, Gireesha, Bijjanal Jayanna, Shashikumar, Nagavangala Shankarappa, Madhu, Macha
Format: Article
Language:English
Subjects:
Carbon
Computational fluid dynamics
Fluid flow
Magnetohydrodynamics
Microchannels
Multi wall carbon nanotubes
Porous media
Single wall carbon nanotubes
Skin friction
Slip flow
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Summary:This communication examines the impact of carbon nanotubes (single‐wall carbon nanotubes [SWCNT] and multi‐wall carbon nanotubes [MWCNT]) on magnetohydrodynamic Brinkman and Forchheimer flow in a planar microchannel with multiple slips. Flow through a porous medium is modeled via Brinkman and Forchheimer theory. The impacts of thermal‐dependent heat source (THS) and exponential space‐dependent heat source (ESHS) are deployed. Aspects of Joule and viscous dissipations are also retained. The dimensionless equations are solved using the Runge‐Kutta‐Fehlberg joint with shooting methodology. The significance of various nondimensional parameters on the flow distributions as well as skin‐friction and Nusselt number is illustrated and analyzed. Closed form solution of momentum quantity is developed for a particular case. Obtained numerical results are in perfect agreement with analytical results. Further, the results of SWCNT and MWCNT are compared.
ISSN:1099-2871
1523-1496
DOI:10.1002/htj.21452