Shape effects on 3D MHD micropolar Au-MgO/blood hybrid nanofluid with Joule Heating

Abstract

Hybrid nanofluid can be considered another nanofluid due to its thermal properties and potential utilisation in heat transfer analysis. This examination's principal objective is to introduce a correlation between conventional nanofluid and hybrid nanofluid characteristics due to micropolar theory, viscous dissipation, and the effect of Joule heating over an exponentially stretched surface by considering the convention. The governing equations are transformed into a system of nonlinear equations through an appropriate similarity transformation method. The reduced system of equations is evaluated by applying the fifth-order R-K-Fehlberg technique and the shooting process. By plotting the graphs for velocity, microrotation, and temperature distributions, examination between the nature of pure blood, MgO/blood nanofluid, and Au-MgO/blood hybrid nanofluid are analyzed and noted. Results of skin friction and Nusselt number are also presented to understand better the nature of flow and heat transmission rate in a nanofluid and hybrid nanofluid. The closing remarks of this analysis are that the rate of heat exchange is 13.8 percent is high in hybrid nanofluid compared to that of nanofluid even within sight of micropolar impacts, viscous dissipation, and convective condition. Finally, platelet size nanoparticles have a higher heat transfer rate than other nanoparticles.

KEYWORDS:

• Micropolar fluid
• three-dimensional flow
• hybrid nanofluid
• viscous dissipation
• shape effects

Disclosure statement

No potential conflict of interest was reported by the author(s).

Additional information

Notes on contributors

K. Gangadhar

Dr. K. Gangadhar is working as an Assistant Professor Department of Mathematics at Acharya Nagarjuna University. He received his Ph.D. degree in the year 2009. He has published more than twenty-five papers in international journals and more than thirty papers in international and national conferences. His research interest is micropolar fluid flows, nanofluid and Casson fluids, MHD boundary layer flow, and flow over different geometries.

M. Venkata Subba Rao

Dr. M. Venkata Subba Rao works as an Assistant Professor at Vignan's Foundation for Science, Technology, and Research Institute. His research interest is in micropolar fluids and heat and mass transfer. He has published more than sixteen papers in International Journals.

P. Surekha

Ms. P. Surekha is a research scholar in boundary layer theory. She is pursuing a Ph.D. in Acharya Nagarjuna University, Guntur; she has published in one international journal and presented two papers at national and international conferences.

T. Kannan

Dr. T. Kannan completed his Ph.D. in the area of Computational Fluid Dynamics in the year 2015. He works as an Assistant Professor, Department of Mathematics, SASTRA Deemed University, Thanjavur, India. He has published twenty-five papers in international journals and more than five articles in international and national Conferences. He is a life member of Ramanujan Mathematical Society. His interests are in mathematical modeling, boundary layer flow problems, computational mathematics, and hydro-magnetic flow problems.