摘要
对后壁受热的二维开口方形空腔中的非稳态湍流的自然对流传热进行了数值研究。采用低Ｒｅｙｎｏｌｄｓ数ｋ－ε双方程湍流模型，给出并讨论了空腔非稳态流动过程中典型的流型、温度场和开口特性。依据物理本质。
The unsteady turbulent natural convecton heat transfer in a back heated two-di-mensional open square cavity is studied numerically. The low-Roynolds-Number k-εturbulencemodel is accepted. Typical flow patterns, temperature fields and opening characteristics for the cari-ty during the unsteady flow evolution is given and discussed.The whole evolution process of cavityheat transfer is divided and analyzed acording to its physical nature.
出处
《重庆大学学报（自然科学版）》
CAS
CSCD
1994年第2期67-71,共5页
Journal of Chongqing University
基金
国家教委科学基金
关键词
开口空腔
自然对流
非稳态
传热
open cavity
turbulent flow
natural convection
unsteady flow
