Journal
CHINESE JOURNAL OF PHYSICS
Volume 79, Issue -, Pages 264-274Publisher
ELSEVIER
DOI: 10.1016/j.cjph.2022.07.008
Keywords
Nano fluid; Aggregation of nano particles; Porous medium; Non-Newtonian fluid
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This article provides a comparative study on the rotational Prandtl host fluid flux of aggregated and non-aggregated nanoparticles on a linear stretching surface. The study examines the chemical species diffusion and Arrhenius activation energy. The results show that the parameters have significant effects on heat, velocity, and nanoparticle concentration.
A comparative study is provided by this article with rotational Prandtl host fluid flux of aggregated nano particles and non aggregated nano particles on linear stretching surface. Along with the chemical species diffusion, Arrhenius activation energy is examined. The nano particles thats are playing vital role in modern technology like heat exchange, electronics and material sciences are incorporated because of enhancing heat transmission. The current analysis has significant applications in rolling and manufacturing of polymer sheet, lubrication processes, crystal growing, polymer industry, biomedical and polymer industry. By applying similarity transformation to mathematical formulation based upon conservation laws yielded a related set of differential equations. For obtaining the numerical solution of non linear problem, Runge Kutta technique is employed and listed in platform of MATLAB. The goal of this study is to illustrate the comprehensive analysis of repercussions of parameters on heat, velocity and nanoparticles concentration via graphical and numerical outcomes is computed. Both velocities (11 ' and 12) reduced against amplified value of fl, A and Fr but, have increasing behavior for a1 and a2. Heat distribution is rise with growing values of Fr and A but, reduce in case of a1 (Prandtl fluid parameter) and a2 (elastic parameter) and concentration of nano particles is higher for A and E but, lessen for 6. It is observed that the increment and decrement in values of 11 ', 12, 0, 95 by impact of variation in values of parameters is slightly fast in non aggregated phase as compared to aggregated phase. On linearly extending surface, Nu and friction factor variational patterns are numerically calculated.
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