期刊
PHYSICS LETTERS A
卷 383, 期 2-3, 页码 176-185出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physleta.2018.10.026
关键词
KKL model; Multiple solutions; Stability analysis; MHD; HAM solutions
资金
- UEFISCDI, Romania [PN-III-P4-ID-PCE-2016-0036]
In this framework, the novel analytical approach is presented to predict the dual solutions of Jeffery-Hamel (JH) transport model utilizing KKL (Koo-Kleinstreuer-Li) Al2O3 model with magnetic field, Ohmic heating and viscous dissipation. The predictor homotopy analysis method (PHAM) is applied to realize the existence of multiple solutions (bifurcation) for stretching/shrinking parameter and channel angle. It is observed that the dual solutions exist only for convergent channel. The eigenvalue problem is constructed to perform stability analysis which shows the physically stability of the upper branch. A numerical validation with Runge-Kutta-Fehlberg (RKF) shooting method using MATLAB is also carried out for verification. The Reynolds number is responsible to increase the velocity of fluid for both branches of the solution. For the increasing values of Ec and M, the Nusselt number decreases and increases respectively. (C) 2018 Elsevier B.V. All rights reserved.
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