Natural convection in an enclosure with localized heating from below
Book
·
OSTI ID:428132
- Lafayette Coll., Easton, PA (United States). Dept. of Mechanical Engineering
Natural convection heat transfer in a cylindrical enclosure, heated partially from below by a disk shaped heating surface and cooled from the top and the side, was investigated experimentally and numerically. Heat transfer measurements are presented for Rayleigh numbers ranging from 10{sup 8} to 2 {times} 10{sup 10} with water as the test fluid. The test results were correlated by an equation of the form Nu{sub D} = 0.16 Ra{sub D}{sup 1/3} for a Prandtl number of 2 and aspect ratio of 1.01. The flow field was numerically analyzed using FLUENT code. The {kappa}-{epsilon} model for predicting the turbulent flows with buoyancy was used.
- OSTI ID:
- 428132
- Report Number(s):
- CONF-960815--; ISBN 0-7918-1506-4
- Country of Publication:
- United States
- Language:
- English
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