Deshpande, MD and Srinidhi, BG (2004) Mixed convection in a lid-driven three-dimensional cavity. Technical Report. National Aerospace Laboratories, Bangalore, India.
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Abstract
Mixed convection in a cavity formed by a rectangular parallelepiped of spanwise aspect ratio three has been studied by solving the Navier-Stokes .and the energy equations under the Boussinesq approximation. Buoyancy forces are due to the heating of the bottom wall and13; forcing due to the motion of the top lid. When there is no lid motion represented by Reynolds number Re = 0 there is no fluid motion if the Rayleigh number Ra is below a critical value of 2559fl. The motion of the lid sets the fluid into motion. The complex flow pattern is identified13; in terms of stagnation points, primary vortices and secondary vortices. The interaction between the two forces leads to a variety of flow and heat flux patterns which may be steady, periodic, periodic or turbulent. Dependence of these states on Re and Ra is quite complex as indicated by a parametric study.
| Item Type: | Monograph (Technical Report) |
|---|---|
| Uncontrolled Keywords: | Mixed Conviction;Lid driven cavity;Navier Strokes equations; Periodic solutions;Nusselt number;Critical Rayleigh number |
| Subjects: | AERONAUTICS > Aerodynamics |
| Depositing User: | Ms Indrani V |
| Date Deposited: | 29 Jan 2009 |
| Last Modified: | 24 May 2010 04:09 |
| URI: | http://nal-ir.nal.res.in/id/eprint/819 |
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