Author:
FLEISCHER A. S.,GOLDSTEIN R. J.
Abstract
High-pressure gases are used to study high-Rayleigh-number Rayleigh–Bénard
convection in cylindrical horizontal enclosures. The Nusselt–Rayleigh heat transfer
relationship is investigated for 1×109 < Ra < 1.7×1012. Schlieren video images of
the flow field are recorded through optical viewports in the pressure vessel. The data
set is well correlated by Nu = 0.071Ra0.328. The schlieren results confirm the existence
of a large-scale flow that periodically interrupts the ascending and descending plumes.
The intensity of both the plumes and the large-scale flow increases with Rayleigh
number.
Publisher
Cambridge University Press (CUP)
Subject
Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics
Cited by
39 articles.
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