Flow and heat transfer analysis of polymeric fluid in the presence of nanoparticles and microorganisms
Razi Khan , Adeel Ahmad , Mehwish Afraz , Yasir Khan
Journal of Central South University ›› 2023, Vol. 30 ›› Issue (4) : 1246 -1261.
Flow and heat transfer analysis of polymeric fluid in the presence of nanoparticles and microorganisms
This paper investigates the influence of polymers on the flow and heat transfer of nanoparticles and microorganisms past a horizontal stretching sheet. The fundamental motivation for this paper is the potential effects of polymers on drag coefficient, Nusselt, Sherwood, and motile density numbers control. Dispersion was chosen to investigate the behavior of polymer additives using FENE-P model. The nonlinear system of partial differential equations governing non-Newtonian polymeric fluid flow is reduced to a correct similar form using an appropriate similarity transformation. The modified nonlinear system of ordinary differential equations is numerically solved using MATLAB code bvp4c based on finite difference scheme, together with modified boundary conditions. Tabular results are presented to investigate how various flow parameters affect physical quantities of industrial importance. The impact of the physical parameters involved on velocity, temperature, concentration, and microorganism profiles was analyzed in detail. Polymeric additives are responsible for reducing the drag coefficient and Nusselt number. In addition, it is noted that Sherwood and motile density numbers are significantly influenced by polymer additives.
polymers / boundary layer flow / FENE-P model / nanofluids / microorganisms / drag reduction / mass and heat transfer / numerical solution
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