Double stratification effects on heat and mass transfer in unsteady MHD nanofluid flow over a flat surface

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dc.contributor.authorMutuku, Winifred Nduku
dc.contributor.authorOluwole, Daniel Makinde
dc.date.accessioned2017-10-10T07:58:27Z
dc.date.available2017-10-10T07:58:27Z
dc.date.issued2017
dc.descriptionResearch Articleen_US
dc.description.abstractThe focus of this work is to theoretically investigate the problem of double stratification on heat and mass transfer in an unsteady hydromagnetic boundary layer flow of a nanofluid over a flat surface. The model employed for the nanofluid transport equations incorporate the effects of Brownian motion and thermophoresis in the presence of thermal and solutal stratification. The governing nonlinear partial differential equations and their associated boundary conditions are initially transformed into dimensionless form by using similarity variables, before being solved numerically by employing the Runge–Kutta–Fehlberg fourth-order method with shooting technique. The effects of different controlling parameters, viz. solutal and thermal stratification, Lewis number, thermophoresis, Brownian motion, magnetic field and unsteadiness on the fluid velocity, temperature, skin friction coefficient, the local Nusselt number, and the local Sherwood number are graphically depicted and quantitatively discussed in detail taking into account the practical applications of each profile. It is noted that thermal stratification reduces the fluid temperature, while the solutal stratification reduces the nanoparticle concentration.en_US
dc.identifier.citationAsia Pac. J. Comput. Engin. (2017) 4:2 DOI 10.1186/s40540-017-0021-2en_US
dc.identifier.issn2196-1166
dc.identifier.urihttp://ir-library.ku.ac.ke/handle/123456789/17823
dc.language.isoenen_US
dc.publisherSpringerOpenen_US
dc.subjectHeat transferen_US
dc.subjectMass transferen_US
dc.subjectUnsteadyen_US
dc.subjectMHDen_US
dc.subjectNanofluiden_US
dc.subjectDouble stratificationen_US
dc.titleDouble stratification effects on heat and mass transfer in unsteady MHD nanofluid flow over a flat surfaceen_US
dc.typeArticleen_US
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