Abo Bibliothek: Guest

ISSN Online: 2377-424X

International Heat Transfer Conference 12
August, 18-23, 2002, Grenoble, France

Interaction of thermoacoustic waves and buoyancy-induced flows in an enclosure

Get access (open in a dialog) DOI: 10.1615/IHTC12.3880
6 pages

Abstrakt

Effects of thermoacoustic wave motion on the developing natural convection process in a compressible gas-filled square enclosure were investigated numerically. In the cases considered, the left wall temperature is raised impulsively or gradually while the right wall is held at a specified temperature. The top and the bottom walls of the enclosure considered are thermally insulated. The strength of the pressure waves associated with the thermoacoustic effect and resulting flow patterns are found to be strongly correlated to the rapidity of the wall heating process. Fluid thermal diffusivity was found to affect the strength of the thermoacoustic waves and the resulting interaction with the buoyancy-induced flow.