Geodesic
Effect of magnetic and temperature variation on Al2O3 nanoflu convection
Mathematica Applicanda, Tome 48 (2020) no. 1, pp. 3-24.

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Nonlinear dynamics of Aluminium Oxide (Al2O3) nanofluid convection under variation of the external magnetic field and temperature variation is studied using a system of partial differential equations arising from equations of conservation of momentum and energy. Applying Galerkin approximation the system of first-order ordinary differential equations is obtained. In the above system, by stability analysis, a critical condition for stability is obtained which is verified through numerical simulations. The influence of variation of magnetic field and temperature is examined through variation of Hartmann number Ha and Rayleigh number Ra As Ra increases, the system enters into a chaotic phase which can be transformed into a stable state of convection by the increase of the external magnetic field. Thus, the external magnetic field is useful in controlling the undesired chaotic state of nanofluid convection. The present study is significant in applications as nanofluids are used in medical treatment, coolants in nuclear reactors and engines, environmental engineering, industrial engineering, and many other applications in the industries.
DOI : 10.14708/ma.v48i1.3292
Classification : 00A69,00A71
Mots-clés : Nanofluid convection,Stability analysis,Phase plots,Time series plots,Rayleigh Number, Hartmann Number. 
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Meenu Chawla; Rashmi Bhardwaj; Aashima Bangia; Saureesh Das; Jan Goncerzewicz. Effect of magnetic and temperature variation on Al2O3 nanoflu convection. Mathematica Applicanda, Tome 48 (2020) no. 1, pp.  3-24. doi : 10.14708/ma.v48i1.3292. http://geodesic.mathdoc.fr/articles/10.14708/ma.v48i1.3292/

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