摘要
采用数值方法,对恒温加热时矩形肋通道内的流动与传热进行了研究,系统地考察了雷利数、倾角、高宽比、导热壁厚度及导热系数对肋通道内自然对流的影响,揭示了矩形肋通道的换热机理与规律。
Flow and heat transfer are numerically studied in a rectangular fin groove when the fin base is heated with contsant temperature. Rayleigh number, inclination , aspect ratio, thick ness and conductivity of the fin are systematically changed to examine their effects. Five flow patterns are found, local and average characteristics are given, and the mechanism of heat transfer is discussed. The results can be used as a reference for fin designs.
出处
《重庆大学学报（自然科学版）》
EI
CAS
CSCD
1992年第5期31-37,共7页
Journal of Chongqing University
基金
国家教委科学基金
关键词
矩形助
导热系数比
流动
传热
rectangular fin
aspect ratio
conductivity ratio
flow and heat transfer
numer-ical computation
