Magnetic mixed convection confined two-sided wavy enclosures having two-sided lid-driven walls containing obstacles with thermal radiation

Abstract

The present research provides numerical handling of a laminar flow mixed-radiation interaction convection heat transfer within two-sided wavy enclosures containing adiabatic obstacles. The convection process is due to the movements of the enclosure side walls together with the difference in temperature and density. Two designs of the flow domain are recognized, namely, a wavy enclosure containing a square obstacle (D1) or including a cylindrical obstacle (D2). Both the flow domain and the magnetic field are inclined with different angles and impacts of the thermal radiation and heat absorption(generation) are conducted. The Galerkin Finite Element Method associated with the Characteristic-Based Split approach is utilized to solve the governing system. The prime outcomes detected that the growth of the radiation and heat generation parameters enhances the convective process. Also, the increase in the magnetic parameter causes a dominance of the nanofluid friction irreversibility compared to the heat transfer one.

KEYWORDS:

• CBS-FEM procedure
• obstacle
• two-sided wavy enclosure
• double lid-driven walls
• nanofluid
• radiation

Disclosure statement

The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

Additional information

Funding

This work was supported by the Deanship of Scientific Research at King Khalid University for funding this work through the research groups program [grant number R. G. P2/22/43].