The Effect of Slip Condition, Radiation and Chemical Reaction on Unsteady MHD Periodic Flow of a Viscous Fluid through Saturated Porous Medium in a Planer Channel

Reddy, T. Sudhakar; Raju, M. C.; Varma, S. V. K.

doi:10.26634/jmat.1.1.1665

Cited by 8 publications

(1 citation statement)

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“…Bolarin et al [18] investigated the natural convection of a one-dimensional heat generation and viscous dissipation model of a MHD third grade fluid in an inclined cylindrical pipe with radiation. Other recent MHD investigations are in [19] and [20]. Apart from heat and mass transfer, it is beneficial to optimize the efficiency of thermal devices, thermomechanical systems and processes.…”

Section: Introductionmentioning

confidence: 99%

Thermodynamic Analysis of Magnetohydrodynamic Third Grade Fluid Flow with Variable Properties

Thosago

Rundora

Adesanya

2021

JERA

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This article aims to computationally study entropy generation in a magnetohydrodynamic (MHD) third grade ﬂuid ﬂow in a horizontal channel with impermeable walls. The ﬂuids viscosity and thermal conductivity are assumed to be dependent on temperature. The ﬂow is driven by an applied uniform axial pressure gradient between inﬁnite parallel plates and is considered to be incompressible, steady and fully developed. Adomian decomposition method (ADM) is used to obtain series solutions of the nonlinear governing equations. Thermodynamic analysis is done by computing the entropy generation rate and the irreversibility ratio (Bejan number). The effects of the various pertinent embedded parameters on the velocity ﬁeld, temperature ﬁeld, entropy generation rate and Bejan number are analysed through vivid graphical manipulations. The analysis shows that an appropriate combination of thermophysical parameters efﬁciently achieves entropy generation minimization in the thermomechanical system. The analysis shows that entropy generation minimization is achieved by increasing the magnetic ﬁeld and the third grade material parameters, and therefore designs and processes incorporating MHD third grade ﬂuid ﬂow systems are far more likely to give optimum and efﬁcient performance.

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Section: Introductionmentioning

confidence: 99%