Articles with "concentric annulus" as a keyword



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Direct numerical simulation of turbulent flows through concentric annulus with circumferential oscillation of inner wall

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Published in 2018 at "Applied Mathematics and Mechanics"

DOI: 10.1007/s10483-018-2364-7

Abstract: Periodic wall oscillations in the spanwise or circumferential direction can greatly reduce the friction drag in turbulent channel and pipe flows. In a concentric annulus, the constant rotation of the inner cylinder can intensify turbulence… read more here.

Keywords: concentric annulus; wall; oscillation inner; flows concentric ... See more keywords
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Hydro-thermal behaviour determination and optimization of fully developed turbulent flow in horizontal concentric annulus with ethylene glycol and water mixture based Al2O3 nanofluids

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Published in 2019 at "International Communications in Heat and Mass Transfer"

DOI: 10.1016/j.icheatmasstransfer.2019.104346

Abstract: Abstract In this study, a comprehensive analysis of forced convection heat transfer and pressure drop through a concentric annulus heated from the inner wall and utilizing ethylene glycol (EG)-water based nanofluids for fully developed turbulent… read more here.

Keywords: fully developed; concentric annulus; glycol water; number ... See more keywords