Entropy generation in a variable viscosity transient generalized couette flow of nanofluids with navier slip and convective cooling

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dc.contributor.authorMkwizu, M. H
dc.contributor.authorMatofali, A. X
dc.contributor.authorAinea, N
dc.date.accessioned2025-09-24T09:15:53Z
dc.date.available2025-09-24T09:15:53Z
dc.date.issued2018
dc.descriptionJournal article
dc.description.abstractThis work investigates the combined effects of thermophoresis, Brownian motion and variable viscosity on entropy generation in a transient generalized Couette flow of nanofluids with Navier slip and convective coolingof water-based nanofluids containing Copper (Cu) and Alumina (Al 2 O 3 ) as nanoparticles. Both first and second laws of thermody- namics are applied to analyse the problem. The nonlinear governing equations of continuity, momentum, energy and nanoparticles concentration are tackled numerically using a semi discretization finite difference method together with Runge-Kutta Fehlberg integration scheme. Numerical results for velocity, temperature, and nanoparticles con- centration profiles are obtained and utilised to compute the entropy generation rate, irreversibility ratio and Bejan number. Pertinent results are displayed graphically and discussed quantitatively.
dc.identifier.issn2347-2529
dc.identifier.urihttps://www.suaire.sua.ac.tz/handle/20.500.14820/7026
dc.language.isoen
dc.publisherIjaamm
dc.relation.ispartofseries5(4) (2018) 20 – 29
dc.subjectNanofluids • Variable viscosity • Entropy generation • Bejan number • Thermophoresis • Brownian motion
dc.titleEntropy generation in a variable viscosity transient generalized couette flow of nanofluids with navier slip and convective cooling
dc.typeArticle

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