Second law treatment of magnetized ferro-nanofluid through a porous tank with wavy inner surface

Autor:	Mohsen Sheikholeslami, M. N. Bashir, S. A. Shehzad, Ahmad Shafee
Rok vydání:	2021
Předmět:	010302 applied physics Exergy Work (thermodynamics) Ferrofluid Materials science Natural convection General Physics and Astronomy Mechanics 01 natural sciences Bejan number Magnetic field Physics::Fluid Dynamics Nanofluid 0103 physical sciences Fluid dynamics
Zdroj:	Indian Journal of Physics. 96:811-823
ISSN:	0974-9845 0973-1458
DOI:	10.1007/s12648-021-02057-6
Popis:	Second law analysis of magnetic nanofluid flow through a permeable tank with wavy inner surface is scrutinized in this work. Mathematical formulation is based on the basic formulas of thermodynamics and fluid dynamics theories. The developed equations are re-structured by the involvement of new variables. CVFEM is utilized to display the exergy loss and entropy generation for various Hartmann (Ha), Rayleigh (Ra), and Darcy (Da) numbers. Results revealed that the Bejan number increases with an enhancement of Ra and Da. Exergy loss rises through the augmented magnetic force. Entropy generation due to porous media reduces for higher Da. Suppression influence on the transportation of ferrofluid is observed by the imposing magnetic force but reverse trend is reported for permeability parameter. The impact of Ha makes the convective mode weaker and increases the exergy loss.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::de686640c2b60979f9910723428c1939 https://doi.org/10.1007/s12648-021-02057-6 Zobrazit plný text záznamu Full text from SpringerLink