Authors: Amjad Ali, Muhammad Umar, Arshad Saleem and Zaheer Abbas

Open, pp. 1– 11JSA-Vol. 2 (2023),

Abstract: Heat transfer analysis of Cu (Copper) and SWCNT (Single-Wall Carbon Nanotube) nanoparticles based micropolar-Casson hybrid nanofluid flow in a channel under the influence of magnetic field and thermal radiation is investigated in this paper. Using appropriate transformations, the flow governing equations are converted into coupled ODEs and solved numerically. The heat transfer and flow characteristics of the hybrid nanofluid suspended with Cu and SWCNT nanoparticles are presented, along with a comparison with those of a conventional nanofluid suspended with Cu nanoparticles. The impacts of flow governing parameters such as the Hartmann number, micropolar parameter, Casson parameter, Reynolds number, and solid volume fraction on the flow profiles are discussed. The velocity profile has a direct relation towards the Hartmann number, Reynolds number, and Casson parameter near the lower wall. The micro-rotation velocity profile has a direct relation towards the Hartmann number, micropolar parameter, and Casson parameter. The temperature profile has a direct relation towards the Reynolds number and radiation parameter, nanoparticles volume fraction. A dominant behavior of the Cu-SWCNT nanoparticles-based fluid is observed relative to the Cu based fluid for the velocity and temperature profiles. The Nusselt number has an inciting trend towards the Reynolds number and volume fraction. The skin friction coefficient has inciting trend towards the volume fraction.