Vertical free convective boundary-layer flow in a bidisperse porous medium
Rees, D. A. S., Nield, D. A. and Kuznetsov, A. V., 2008. Vertical free convective boundary-layer flow in a bidisperse porous medium. Journal of Heat Transfer, 130 (9), 092601-1.
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In this article, we study the effect of adopting a two-temperature and two-velocity model, appropriate to a bidisperse porous medium (BDPM), on the classical Cheng-Minkowycz study of vertical free convection boundary-layer flow in a porous medium. It is shown that the boundary-layer equations can be expressed in terms of three parameters: a modified volume fraction, a modified thermal conductivity ratio, and a third parameter incorporating both thermal and BDPM properties. A numerical simulation of the developing boundary layer is guided by a near-leading-edge analysis and supplemented by a far-field analysis. The study is completed by a presentation of numerical simulations of the elliptic equations in order to determine how the adoption of the BDPM model affects the thermal fields in the close vicinity of the origin.
|Creators||Rees, D. A. S., Nield, D. A. and Kuznetsov, A. V.|
|Departments||Faculty of Engineering & Design > Mechanical Engineering|
|Research Centres||Aerospace Engineering Research Centre|
|Additional Information||Vertical free convective boundary-layer flow in a bidisperse porous medium. ID number: ISI:000257628600014|
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