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Thermal explosion and irreversibility of hydromagnetic reactive couple stress fluid with viscous dissipation and Navier slips

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Theoretical & Applied Mechanics Letters 2019年第4期9卷 246-253,I0004页

作者： S.o.Salawu M.S.Dada o.j.fenuga Department of Mathematics Landmark UniversityOmu-aranNigeria Department of Mathematics University of IlorinIlorinNigeria Department of Mathematics University of LagosAkokaNigeria

The study examines the thermal explosion branched-chain and entropy generation as a result of irreversibility of hydromagnetic reactive couple stress liquid with viscous heating and Navier *** reactive fluid flow is enhanced by heat dependent pre-exponential factor and axial pressure gradient in a porous *** flow equations for the non-Newtonian couple stress fluid model and heat transfer are solved by employing a semi-analytical collocation weighted residual method(CWRM).The efficiency and validity of the obtained results was verified with the existing *** results reveal that at low hysteresis magnetic and viscous dissipation the irreversibility process is minimized and thermodynamic equilibrium is *** results from this study can assist in understanding the relationship between thermal and thermal explosions branched-chain.

关键词： Thermal criticality Entropy generation Viscous heating Non-Newtonian fluid

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Variational Iteration Method Solutions for Certain Thirteenth order ordinary Differential Equations

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Applied Mathematics 2013年第10期4卷 1405-1411页

作者： Tunde A. Adeosun olugbenga j. fenuga Samuel o. Adelana Abosede M. john ogunjimi olalekan Kazeem B. Alao Department of Mathematics University of Lagos Lagos Nigeria Department of Mathematics Yaba College of Technology Lagos Nigeria Department of Mechanical Engineering Yaba College of Technology Lagos Nigeria

In this paper, we extend variational iteration method (VIM) to find approximate solutions of linear and nonlinear thirteenth order differential equations in boundary value problems. The method is based on boundary valued problems. Two numerical examples are presented for the numerical illustration of the method and their results are compared with those considered by [1,2]. The results reveal that VIM is very effective and highly promising in comparison with other numerical methods.

关键词： Variational Iteration Method Boundary Value Problems Linear and Nonlinear Problems Approximate Solution

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