Abstract
The main aim of this study is to investigate the significance of activation energy in the flow of a Maxwell fluid over a stretching cylinder. Additionally, the heat and mass fluxes of viscoelastic Maxwell fluids, thermal radiation, porous media, Brownian motion, heat generation/absorption, and thermophoresis over a stretching cylinder porous media containing gyrotactic microorganisms are also discussed in the flow. The governing nonlinear PDEs were converted into ODEs using similarity transformation. The transformed ODEs are tackled numerically by employing the Bvp4c scheme. This method contains a three-stage Lobatto IIIa collocation formula that provides continuous solutions up to fourth-order accuracy. Impacts of all physical parameters are illustrated in the form of graphs. The emerging parameters of the surface friction and heat/mass flux coefficients were tabulated. The results showed that the temperature and associated boundary layer thickness decreased with higher heat generation/absorption parameter values. Increasing the radiation parameter improves the temperature of the fluid, and increasing the activation energy parameter improves the thickness of the concentration boundary layer. The results of our research were compared with those of the existing literature and found to be in good agreement.
Published Version
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