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- W3215720449 abstract "Abstract In this paper, heat transfer and fluid flow around a solid cylinder wrapped with a porous layer in the channel were studied numerically by computational fluid dynamics (CFD). The homogeneous concentric and eccentric porous medium round a rigid, solid cylinder are supposed at local thermal equilibrium. The transport phenomena within the porous layer, volume averaged equations were employed, however the conservation laws of mass, momentum and energy were applied in the channel. This current numerical analysis, the effects of eccentricity ( ), the variable diameter of porous layer (d=0.07,0.08,0.09), permeability, as well as the different Reynolds number and Darcy number on the heat transfer parameters and fluid flow was investigated. The main purpose of this study is analyzed and compared the heat flux of concentric and eccentric porous layer in Reynolds number range of 1 to 40 and Darcy numbers of to . It is found that with the decline of Darcy number, the vortex length is increased behind the solid cylinder surface. In addition, the heat flux rate of the cylinder is raised with the increase of Reynolds number. Finally, The results have demonstrated that with raising Reynolds and Darcy numbers, the increase of the average Nusselt numbers in the eccentric porous layer is higher than the concentric porous layer." @default.
- W3215720449 created "2021-12-06" @default.
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- W3215720449 date "2021-12-01" @default.
- W3215720449 modified "2023-09-23" @default.
- W3215720449 title "Effect of concentric and eccentric porous layer on forced convection heat transfer and fluid flow around a solid cylinder" @default.
- W3215720449 doi "https://doi.org/10.21203/rs.3.rs-1121969/v1" @default.
- W3215720449 hasPublicationYear "2021" @default.
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