The purpose of the present study is to numerically investigate the heat transfer process occurring in porous annuli by taking both inertial and viscous effects into account. Each of these effects is first considered separately; thus, the individual contribution to the overall transport can be assessed. Finally, the influence of the combined effects is fully explored. A finite difference algorithm has been developed to solve the governing partial differential equations. Calculations cover a wide range of Rayleigh number(Ra), radius ratio parameter(γ), and aspect ratio(A), i.e., 10≤ Ra ≤ 104, 0 ≤ γ ≤ 100 and 0.5 ≤ A ≤ 10. Non-Darcy effects on the flow and temperature fields are carefully examined and compared with those obtained by the Darcy analysis.
|Original language||English (US)|
|Number of pages||6|
|Journal||American Society of Mechanical Engineers, Heat Transfer Division, (Publication) HTD|
|State||Published - Jan 1 1990|
|Event||Numerical Heat Transfer - Presented at AIAA/ASME Thermophysics and Heat Transfer Conference - Seattle, WA, USA|
Duration: Jun 18 1990 → Jun 20 1990