"Influence of Hall Effects on Rotating MHD Casson Fluid Flow" by Zankhana Mali, Akhil Mittal et al.
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Abstract

Studies of Hall effects regarding motion of fluid due to some external forces in MHD transport of reacting Casson fluid with heat generation over an impulsively emerging vertical plate are considered in this work. This theory proposes that because of a sudden rise in temperature and an accompanying surface concentration profile, which shows an elevation with time, the boundary plate has endured rapid expansion. In a rotational environment, this characteristic occurs homogeneously inside a porous uniform material. It applies the Laplace transform method for determining the fundamental equations subject to imposed starting and side conditions. Under isothermal conditions, accurate formulae are derived for temperature and concentration profiles. Numerical results are obtained using MATLAB software and graphically presented to enhance comprehension of different impacts of the ecological conditions. The study reveals that a fluid’s primary and secondary motion rate increase as the Hall current parameter grows; on the contrary, both of them decrease with the progressing value of a magnetism. This research reveals that a fluid’s primary velocity diminishes; on the other hand, a secondary velocity increases first, then decreases as the ascending values of Casson fluid parameter. Also, one can observe that a primary velocity falls, however, a secondary velocity rises as the permeability of a porous medium grows.

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