Thermodynamics analysis of variable viscosity hydromagnetic Couette flow in a rotating system with Hall effects

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dc.contributor.authorMakinde, Oluwole D.en_ZA
dc.contributor.authorEegunjobi, Adetayo S.en_ZA
dc.contributor.authorTshehla, M. Samuelen_ZA
dc.date.accessioned2017-02-16T07:05:41Z
dc.date.available2017-02-16T07:05:41Z
dc.date.issued2015-11-20
dc.descriptionCITATION: Makinde, O. D., Eegunjobi, A. S. & Tshehla, M. S. 2015. Thermodynamics analysis of variable viscosity hydromagnetic Couette flow in a rotating system with Hall effects. Entropy, 17(11):7811-7826, doi:10.3390/e17117811.
dc.descriptionThe original publication is available at http://www.mdpi.com/journal/entropy
dc.description.abstractIn this paper, we employed both first and second laws of thermodynamics to analyze the flow and thermal decomposition in a variable viscosity Couette flow of a conducting fluid in a rotating system under the combined influence of magnetic field and Hall current. The non-linear governing differential equations are obtained and solved numerically using shooting method coupled with fourth order Runge–Kutta–Fehlberg integration technique. Numerical results obtained for velocities and temperature profiles are utilized to determine the entropy generation rate, skin fictions, Nusselt number and the Bejan number. By plotting the graphs of various values of thermophysical parameters, the features of the flow characteristics are analyzed in detail. It is found that fluid rotation increases the dominant effect of heat transfer irreversibility at the upper moving plate region while the entropy production is more at the lower fixed plate region.en_ZA
dc.description.urihttp://www.mdpi.com/1099-4300/17/11/7811
dc.description.versionPublisher's version
dc.format.extent16 pages
dc.identifier.citationMakinde, O. D., Eegunjobi, A. S. & Tshehla, M. S. 2015. Thermodynamics analysis of variable viscosity hydromagnetic Couette flow in a rotating system with Hall effects. Entropy, 17(11):7811-7826, doi:10.3390/e17117811.
dc.identifier.issn1099-4300 (online)
dc.identifier.otherdoi:10.3390/e17117811
dc.identifier.urihttp://hdl.handle.net/10019.1/100632
dc.language.isoen_ZAen_ZA
dc.publisherMDPI
dc.rights.holderAuthors retain copyright
dc.subjectHydromagnetic Couette flowen_ZA
dc.subjectRotating motionen_ZA
dc.subjectViscosityen_ZA
dc.subjectHall effectsen_ZA
dc.subjectEntropy analysisen_ZA
dc.subjectMagnetohydrodynamic instabilitiesen_ZA
dc.subjectHeat -- Transferen_ZA
dc.titleThermodynamics analysis of variable viscosity hydromagnetic Couette flow in a rotating system with Hall effectsen_ZA
dc.typeArticleen_ZA
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