Irreversibility characterization in nanoliquid flow with velocity slip and dissipation by a stretchable cylinder

• Main Authors: T. Hayat, Sohail A. Khan, A. Alsaedi
• Format: Article
• Language: English
• Published: Elsevier 2021-06-01
• Series: Alexandria Engineering Journal
• Subjects: Viscous nanoliquid; Stretching cylinder; Slip condition; Joule heating; Thermal radiation; Thermophoresis
• Online Access: http://www.sciencedirect.com/science/article/pii/S1110016821000223

Here we scrutinize magnetohydrodynamic mixed convection flow of viscous nanoliquid by a stretching cylinder. Heat flux, Joule heating and dissipation effect are examined in heat equation. Thermophoresis and Brownian diffusion behaviors are accounted. Entropy generation investigation is addressed. A first order chemical reaction is also accounted. Nonlinear PDEs are converted to ordinary differential system employing similarity variables. To develop a convergent solution we implemented ND-solve method. Variation of various sundry variables on Bejan number, velocity, entropy rate, concentration and temperature are graphically deliberated. Variation of various influential variables on Nusselt and Sherwood numbers are graphically examined. Larger slip parameter reduces the velocity field. Temperature is improved against the larger radiation variable. Concentration has a reverse trend against thermophoresis and Brownian motion variables. Radiation and magnetic variables have similar behavior on entropy optimization. Bejan number is reduced versus larger Brinkman number.