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- Title
Magneto-thermo analysis of oscillatory flow around a non-conducting horizontal circular cylinder.
- Authors
Ullah, Zia; Ashraf, Muhammad; Rashad, A. M.
- Abstract
The present study is based on oscillatory mixed-convection flow of electrically conducting fluid around a non-conducting horizontal circular cylinder. By following the statement of the problem, a mathematical model is constituted, and then, the formulated model is transformed into convenient form for integration by using primitive-variable formulation. The behavior of oscillatory skin friction, heat transfer and magnetic flux for pertinent parameters involved in the flow model such as mixed-convection parameter λ , magnetic force parameter ξ , the magnetic Prandtl number γ and the Prandtl number Pr is discussed numerically. For this purpose, first velocity profile, temperature distribution and magnetic-field profile at various positions α = π / 6 , π / 3 and π of the non-conducting horizontal circular cylinder for steady state are secured and then are used to calculate oscillatory skin friction, heat transfer and current density. It is predicted that oscillatory behavior of skin friction, heat transfer and current density is increased at position α = π / 4 for increasing values of the various physical pertinent parameters. It is pertinent to mention here that the convective heat transfer is practically associated with oscillatory flow behavior.
- Publication
Journal of Thermal Analysis & Calorimetry, 2020, Vol 142, Issue 4, p1567
- ISSN
1388-6150
- Publication type
Academic Journal
- DOI
10.1007/s10973-020-09571-5