期刊
INTERNATIONAL JOURNAL OF APPLIED ELECTROMAGNETICS AND MECHANICS
卷 65, 期 2, 页码 235-251出版社
IOS PRESS
DOI: 10.3233/JAE-190101
关键词
Biomagnetic fluid; heat transfer; magnetic dipole; stretching/shrinking sheet; dual solutions; stability analysis
This study investigates the steady boundary layer flow and heat transfer of biomagnetic fluid over a stretching/shrinking sheet with prescribed surface heat flux under the influence of a magnetic dipole. It is found that dual solutions exist for certain values of parameters, and stability analysis demonstrates that the first solution is stable and physically valid, while the second solution is unstable.
Y This paper analyzes the steady boundary layer flow and heat transfer of biomagnetic fluid over a stretching/shrinking sheet with prescribed surface heat flux under the influence of a magnetic dipole. The governing equations are transformed into a set of ordinary differential equations (ODEs) by using similarity transformations. Numerical results are obtained using the boundary value problem solver bvp4c of MATLAB. The effects of various physical parameters on the velocity and temperature profiles as well as skin friction coefficient are discussed. The paper shows that dual solutions exist for certain values of stretching/shrinking sheet and suction parameters. Stability analysis is performed to determine which solution is stable and physically valid. Results of the stability analysis depict that the first solution (upper branch) is stable and physically realizable, while the second solution (lower branch) is unstable.
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