期刊
ENERGY CONVERSION AND MANAGEMENT
卷 42, 期 4, 页码 505-517出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0196-8904(00)00043-1
关键词
natural convection; heat transfer correlations; two-dimensional enclosure; three-dimensional enclosure
This paper presents an extensive review of studies about natural convective heat transfer coefficients on surfaces in two- and three-dimensional enclosures with primary focus on those with a direct application to heat transfer in buildings. Comparison between the correlations for the heat transfer coefficient showed that large discrepancies could occur. The discrepancies are found to be up to a factor of 5 for vertical surfaces, up to a factor of 4 for horizontal surfaces facing upward, and up to a factor of 8 for horizontal surfaces facing downward. (C) 2000 Published by Elsevier Science Ltd. All rights reserved.
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