Experimental study of transient natural convection in an inclined rectangular enclosure

Simultaneous quantitative measurements are made of both the temperature and velocity fields for two-dimensional transient natural convection in an inclined rectangular enclosure using calibrated multichannel electronic interferometry and digital particle image velocimetry. The transient boundary con...

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Bibliographic Details
Published in:International journal of heat and mass transfer 1997, Vol.40 (11), p.2679-2690
Main Authors: Upton, T.D., Watt, D.W.
Format: Article
Language:English
Subjects:
Convection and heat transfer
Exact sciences and technology
Fluid dynamics
Fundamental areas of phenomenology (including applications)
Instrumentation for fluid dynamics
Physics
Turbulent flows, convection, and heat transfer
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Summary:Simultaneous quantitative measurements are made of both the temperature and velocity fields for two-dimensional transient natural convection in an inclined rectangular enclosure using calibrated multichannel electronic interferometry and digital particle image velocimetry. The transient boundary conditions are initiated impulsively by heating and cooling two opposing walls. The evolution of the flow to steady-state is determined for a Prandtl number of 6.38, a Rayleigh number of 1.5 × 10 5 and an aspect ratio of 1.0, at angles of inclination of π/4, π/2 and 3π/4.
ISSN:0017-9310
1879-2189
DOI:10.1016/S0017-9310(96)00275-X