Parametric study of natural convection heat transfer from an inclined rectangular cylinder embedded in a square enclosure

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dc.contributor.authorOlayemi, O.A.
dc.contributor.authorKhaled, Al-Farhany
dc.contributor.authorTemitope, O.J.
dc.contributor.authorVictor, O.O.
dc.contributor.authorOdetunde, C.B.
dc.contributor.authorAdegun, I.K.
dc.date.accessioned2023-07-13T14:37:23Z
dc.date.available2023-07-13T14:37:23Z
dc.date.issued2021
dc.description.abstractThis paper presents the effects of aspect ratio (0.1 < AR < 0.7), Rayleigh number (102 < Ra < 106) and inclination angle (0o< γ <90o) of the heated rectangular cylinder on heat transfer and fluid flow characteristics due to natural convection in air around heated rectangular cylinders of different sizes inside a cold square enclosure. Galerkin finite element method was adopted for the solution of the developed model. The walls of the enclosure were maintained at an isothermal cold temperature while the boundaries of the rectangular cylinder were kept at a constant hot temperature. The results are presented in the form of isothermal contours, stream functions, local and average Nusselt numbers. It has been found that for the range of aspect ratio and Rayleigh number considered, the rate of heat transfer increases with increasing aspect ratio and Rayleigh number. Furthermore, the orientation angle of the rectangular cylinder was found to generally augment heat transfer rate except at AR value of 0:1, where the average Nusselt number declines beyond γ = 45o for all the range of Rayleigh numbers considered. Results from the present study could be applied to nuclear reactor technology and cooling of electronic chips system optimisation.en_US
dc.identifier.citationOlalekan Adebayo Olayemi, Al-Farhany Khaled, Olabemiwo Jekayinoluwa Temitope, Ogunwoye Oloruntobiloba Victor, Christopher B Odetunde & Isaac Kayode Adegun (2021): Parametric study of natural convection heat transfer from an inclined rectangular cylinder embedded in a square enclosure, Australian Journal of Mechanical Engineering, DOI: 10.1080/14484846.2021.1913853en_US
dc.identifier.issn(Print) (Online) Journal homepage: https://www.tandfonline.com/loi/tmec20
dc.identifier.urihttps://uilspace.unilorin.edu.ng/handle/20.500.12484/11513
dc.language.isoenen_US
dc.publisherTaylor & Francisen_US
dc.subjectNatural convection; rectangular cylinder; aspect ratio; inclination angle; square enclosureen_US
dc.titleParametric study of natural convection heat transfer from an inclined rectangular cylinder embedded in a square enclosureen_US
dc.typeArticleen_US

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