The Cheng-Minkowycz problem for natural convection about a vertical plate embedded in a tridisperse porous medium

作者：Nield D A; Kuznetsov A V^*

来源：International Journal of Heat and Mass Transfer, 2011, 54(15-16): 3485-3493.

DOI：10.1016/j.ijheatmasstransfer.2011.03.037

• Tridisperse porous medium
• Cheng-Minkowycz problem
• Natural convection
• Boundary layer

The classical Cheng-Minkowycz study of convection past a vertical plate embedded in a porous medium has been extended to the case of a tridisperse porous medium (TDPM). The boundary-layer analysis leads to expressions for the velocity and temperature fields in terms of two geometrical parameters, two interphase momentum transfer parameters, two thermal diffusivity ratios, two permeability ratios, two thermal conductivity ratios, and two inter-phase heat transfer parameters. For the leading edge region, and for an inner layer, a similarity solution is obtained. This involves the first eight parameters, each of which is a characteristic of the TDPM.

• 出版日期2011-7