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Impact of Lorentz Force on Unsteady Bio Convective Flow of Carreau Fluid across a Variable Thickness Sheet with Non-Fourier Heat Flux Model

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Abstract:

In this article, we examined the magnetohydrodynamic Cattaneo-Christov bio convective flow of Carreau liquid over a variable thickness sheet with irregular heat sink/source. The fluid motion is supposed to be time dependent and not turbulent. Firstly, proper transmutations are pondered to metamorphose the basic flow equations as ODE. The solution of these ODEs is procured by the sequential execution of R.K. and Shooting numerical treatments. The density of motile organisms, concentration, temperature and velocity distributions for dissimilar values of non-dimensional parameters are perused via graphs. Further, we analyzed the impact of same parameters on friction factor, local Nusselt number and the rate of mass transfer coefficients and presented in table. Results indicate that the distribution of the density of motile organisms is an increasing function of Peclet and Lewis numbers. Fluid velocity is proportional to the Weissenberg number. Also the space dependent heat sink/source parameters perform obligatory role in the mass and heat transport performance.

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Periodical:

Defect and Diffusion Forum (Volume 387)

Pages:

474-497

DOI:

https://doi.org/10.4028/www.scientific.net/DDF.387.474

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Online since:

September 2018

Authors:

Kempannagari Anantha Kumar, Bujula Ramadevi, Vangala Sugunamma*

Keywords:

Bio Convection, Carreau Fluid, Cattaneo-Christov Heat Flux Model, Irregular Heat Source/Sink, MHD, Variable Thickness Surface

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© 2018 Trans Tech Publications Ltd. All Rights Reserved

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