Abstract
The present article addresses the impact of passive control (PC) and active control(AC) on 3D flow of a viscoelastic nanofluid upon a stretching plate including heat generation and convective heating. The system of appearing non-linear PDE’s are converted into a couple of ODE’s by using suitable similarity transformations. Convergent series solutions are derived using homotopy analysis method (HAM). Graphical results of velocity, nanoparticle volume fraction and temperature of different pertinent physical parameters with notable discussions are pointed with their physical significance
Highlights
Fluids are much used to transfer heat in heat transfer equipment in industrial and engineering processes
The consequences of thermophoresis parameter (Nt) and Biot number (Bi) on φ(η) for both controls are plotted in Figures 3A–D, and it was found that φ(η) is an enhancing function of both Nt and Bi for both controls
We address the impact of passive control and active control on 3D viscoelastic nanofluid flow upon a stretching membrane with heat absorption/generation and convective heating
Summary
Fluids are much used to transfer heat in heat transfer equipment in industrial and engineering processes. The nanofluid is an advanced type of fluid incorporating nanometer-sized particles This fluid is more stable, has high thermal conductivity, high mobility, a larger heat transfer surface between particles and fluids, low pumping power compared with ordinary fluids, low particle clogging, and low volume concentrations. The impact of Brownian motion and thermophoresis of nanofluid fluid flow between two parallel plates was recently investigated by Derakhshan et al (2019) They proved that the Nusselt number is suppressed with enhanced thermophoretic and Brownian motion parameters. Very recently, Hayat et al (2018) studied the three-dimensional flow of viscoelastic nanofluid over a stretching surface with heat generation/absorption. They implemented the CattaneoChristov double-diffusion theory for their study. We investigated the impact of passive and active controls on 3D viscoelastic nanofluid flow upon a stretching plate with heat generation and convective heating
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