Role of fluid-structure interaction in mixed convection from a circular cylinder in a square enclosure with double flexible oscillating fins

Saleh, Habibis and Siri, Zailan and Hashim, Ishak (2019) Role of fluid-structure interaction in mixed convection from a circular cylinder in a square enclosure with double flexible oscillating fins. International Journal of Mechanical Sciences, 161-62. p. 105080. ISSN 0020-7403

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Official URL: https://doi.org/10.1016/j.ijmecsci.2019.105080

Abstract

The problem of unsteady mixed convection in a square enclosure containing a heated circular cylinder is studied in this paper. Two solid elastic thin fins are attached on the top cold wall. The governing equations for fluid flow and energy in the fluid and structures domains are written in Arbitrary Lagrangian-Eulerian (ALE) formulation. Finite element method was used to obtain the approximate solutions of the governing equation. The governing parameters considered are the oscillating fin direction, fin amplitude and length with various elasticity values and cylinder sizes. The results show that the instantaneous heat transfer characteristics of the contrary oscillation differs greatly from the identical oscillation. The influence of the elasticity value on the heat transfer rate is significant at a sufficiently small amplitude oscillation. © 2019 Elsevier Ltd

Item Type: Article
Uncontrolled Keywords: Mixed convection; Arbitrary lagrangian-Eulerian; Flexible fin; FSI
Subjects: Q Science > Q Science (General)
Q Science > QA Mathematics
Divisions: Faculty of Science > Institute of Mathematical Sciences
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 24 Jan 2020 01:29
Last Modified: 24 Jan 2020 01:29
URI: http://eprints.um.edu.my/id/eprint/23563

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