期刊
WAVES IN RANDOM AND COMPLEX MEDIA
卷 -, 期 -, 页码 -出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/17455030.2022.2074571
关键词
EMHD convective nanofluid flow; generalized transport laws; electromagnetic device; nonlinear porous medium; zero mass flux condition
This investigation provides a numerical analysis of electro-magneto-hydrodynamic (EMHD) nanofluid flows past a Riga pattern embedded horizontally in a Darcy-Forchheimer porous medium. The study formulates a more realistic non-homogeneous flow model by linking an advanced Buongiorno's nanofluid approach with Cattaneo-Christov's physical point of view and generalized Fick's law. The results show that Darcy-Forchheimer's porous forces have a significant impact on the momentum boundary layer, and both Darcy-Forchheimer's and Lorentz's forces strengthen the frictional factor at the Riga surface. Moreover, adjusting the convective heating process and the electromagnetic planar support can effectively enhance the wall heat transfer rate.
This investigation provides a numerical analysis of electro-magneto-hydrodynamic (EMHD) nanofluid flows past a Riga pattern embedded horizontally in a Darcy-Forchheimer porous medium. An advanced Buongiorno's nanofluid approach is linked physically with Cattaneo-Christov's physical point of view and generalized Fick's law to formulate a more realistic non-homogeneous flow model, in which the convective heating and zero mass flux are chosen as suitable boundary conditions. In the framework of the boundary layer approximations, the governing partial differential equations (PDEs) are converted into ordinary differential equations (ODEs) via suitable similarity transformations, which are solved thereafter using a robust numerical procedure. Indeed, the adopted conservative laws describe reliably the foremost features of EMHD convective nanofluid flows, in which Darcy-Forchheimer's porous forces show a noticeable impact on the momentum boundary layer at a large scale. Besides, it is remarked that Darcy-Forchheimer's and Lorentz's forces strengthen the resulting frictional factor at the Riga surface. Furthermore, a significant enhancement in the wall heat transfer rate can be achieved practically by adjusting adequately the convective heating process and the electromagnetic planar support.
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