Periodic oscillations of low Prandtl-number fluids in rectangular enclosures

Details Periodic oscillations of low Prandtl-number fluids in rectangular enclosures Periodic oscillations of low Prandtl-number fluids in rectangular enclosures

Jan 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aipc..504..866c&link_type=abstract

SPACE TECHNOLOGY AND APPLICATIONS INTERNATIONAL FORUM - 2000. AIP Conference Proceedings, Volume 504, pp. 866-871 (2000).

Statistics

Applications

Electrical And Thermal Conduction In Amorphous And Liquid Metals And Alloys, Natural Convection, Partial Differential Equations

Scientific paper

Periodic oscillatory flows in low Prandtl-number fluids are numerically characterized in this study. A mathematical model is developed to solve the three-dimensional mass and momentum conservation equations using a control-volume algorithm. For various aspect ratios, the second critical Rayleigh number is determined. For an aspect ratio (length/height) of 0.25, macroscopic oscillations are unmistakably observed; while as the aspect ratio is increased, oscillations tend to dampen. .

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