Journal
JOURNAL OF NANOFLUIDS
Volume 11, Issue 6, Pages 869-878Publisher
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/jon.2022.1889
Keywords
Ag-Al2O3/Water; Free Convection; Vertical Cylinder; Laminar Boundary Layer Flow; Implicit Finite Difference Method; MHD; Variable Surface Temperature. ARTICLE
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This article examines the effects of MHD and variable surface temperature on the unsteady natural convection flow of a hybrid nanofluid on a moving vertical cylinder using numerical simulations. The results provide valuable insights for thermal flow processing of magnetic nanomaterials.
MHD and variable surface temperature are examined numerically in this article to see how they affect the unsteady type natural convection flow of a hybrid nanofluid on a moving vertical cylinder. Nanoparticles of Ag and Al2O3 are considered in the water-based hybrid nanofluid. Using the Crank-Nicolson method, the equations governing flow and heat transport are unravelled. To test the present numerical approach validity, the results are matched to those found in the literature for similar problems and found to be extremely congruent with those findings. Analysis of temperature and velocity portraits, as well as Cf (skin friction coefficient) and Nu (Nusselt number) for each vital parameter, has been illustrated. This study found that by escalating the magnetic param-eter, Nu and Cf of Ag-Al2O3/water can be reduced. Also, increasing Gr can be used to augment the Cf and IP: 182.75.148.10 On: Sat, 13 Aug 2022 10:36:59 Nu of Ag-Al2O3/water. Further, by increasing?2, a lower skin friction coefficient and a higher Nusselt number Copyright: American Scientific Publishers Delivered by Ingenta can be achieved. The current findings are useful to the thermal flow processing of magnetic nanomaterials in the metallurgy industries and chemical engineering.
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