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LDV measurements of buoyancy-induced flows in an enclosure at high rayleigh numbers

✍ Scribed by A.M. Lankhorst; D. Angirasa; C.J. Hoogendoorn

Publisher: Elsevier Science
Year: 1993
Tongue: English
Weight: 371 KB
Volume: 6
Category: Article
ISSN: 0894-1777
DOI: 10.1016/0894-1777(93)90042-h

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✦ Synopsis

Experimental studies were carried out on buoyancy-induced flows in a differentially heated air filled square enclosure at the high Rayleigh number range of 1 × 109-4 X 109. Velocity profiles were obtained using a laser-Doppler velocimeter. Turbulence intensities are presented. The vertical temperature distribution in the core was measured by traversing a thermocouple probe. Core stratification was found to have a profound influence on the regimes and characteristics of the flow.

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