Entropy and thermal case description of monophase magneto nanofluid with thermal jump and Ohmic heating employing finite element methodology. (May 2023)

• Record Type: Journal Article
• Authors: Zhang, Xianqin; Yang, Dezhi; Katbar, Nek Muhammad; Jamshed, Wasim; Ullah, Ikram; Eid, Mohamed R.; Usman, ; Raizah, Zehba; Ibrahim, Rabha W.; El-Wahed Khalifa, Hamiden Abd; El Din, Sayed M.
• Is Part Of: Case studies in thermal engineering. Volume 45(2023)
• Publication Date: 2023-05
• Subjects: 3rd-Grade fluid -- Nanofluidics -- MHD -- Heat source -- Viscous dissipation -- Entropy -- Galerkin finite element Methodology; Heat engineering -- Case studies -- Periodicals; 621.40205
• DOI: 10.1016/j.csite.2023.102919
• Languages: English
• ISSNs: 2214-157X

Abstract

Abstract: Apart from the Buongiorno concept, no study was published that sufficiently examined the impact of nanoparticles on the extendable surface of the third-grade fluid prototype. The third grade nanofluid (3GNF) model's liquid simulation needs for Tiwari and Das are theoretically evaluated in the current work utilizing motor oil as the standard base liquid. Tiwari and Das' model look at the volume portion of nanoparticles for heat transfer enhancement as opposed to the Buongiorno concept, which primarily relies on thermophoretic and Brownian dispersion impacts. This analysis takes into consideration the Biot quantity, thermal radiative viscous flowing, slippage variable, Joule heating, and magneto variable, which are all thermal features of 3GNF. The Galerkin finite element methodology (G-FEM) mathematical structure is used to produce the computer solution. Copper/engine oil (Cu-EO) and titanium dioxide/engine oil (TiO2 -EO) are considered. TiO2 -EO nanofluid has a greater thermodynamic representation than Cu-EO nanofluid in the same conditions. The following rate range: 1.9%–43%, demonstrates Cu-advantage EO over TiO2 -EO in terms of thermal conductivity. Additionally, the porous materials boundary's function is to increase the speed outlines whilst lowering the heating transduction rate. At the end of the day, the Reynolds and Brinkman values increase entropy.