Abstract
A numerical examination is accomplished to explore the thermal transmission in the cylindrical film flow of Casson–Williamson hybrid nano liquids. This work incorporates water as a base fluid embedded with aluminum oxide (Al2O3) and copper oxide (CuO), two forms of solid nanoparticles. A consistent magnetic field is applied along a radial path in the presence of Ohmic heating, thermal radiation and Catteneo–Christov thermal flux to examine Williamson and Casson hybrid nano liquids’ flow and heat transmission characteristics. The flow model is developed and resolved numerically using the bvp5c Matlab software. A relative outcome for Casson and Williamson cross nano liquids is obtained and discussed. The current study is on solar energy application to parabolic trough solar collectors. It is found that the heat spread rate of Casson cross nano liquid is more advanced than Williamson hybrid nano liquid. The flow and heat regions can be controlled by the drag force produced by the external magnetic field.
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