Natural convection in a cavity with partially active side walls with and without a horizontal baffle

被引：0
|
作者：
G. Nardini
M. Paroncini
R. Vitali
机构：
[1] Università Politecnica delle Marche,Dipartimento di Ingegneria Industriale e Scienze Matematiche (DIISM)
来源：
Heat and Mass Transfer | 2015年 / 51卷
关键词：
Heat Transfer; Nusselt Number; Natural Convection; Rayleigh Number; Recirculation Zone;
D O I：
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学科分类号：
摘要：
The natural convection of a fluid in a cavity with partially thermally active sidewalls of height H/4 with side length of the cavity that varies from 0.02 to 0.05 m and the cavity of side length of 0.05 m with and without a horizontal baffle is investigated experimentally and numerically for the following Rayleigh numbers: 103–105. The results clearly demonstrate that the baffle has a significant effect on heat transfer and flow characteristics of the fluid. The average Nusselt numbers are smaller than the corresponding values in the cavity without the baffle.
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页码：1791 / 1804
页数：13
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