摘要
本文用QUICK和多种差分方案计算了四个流动与换热问题．计算结果表明。对于强制流动问题，QUICK用较粗网格就能得到其他差分方案用较细网格才能得到的结果。对稳态自然对流，QUICK与其他差分方案的计算结果相近，但QUICK方案能预测出所计算的低Pr数流体自然对流的物理振荡，而其他几种方案不能．
Numerical computations were carried out for four sample cases of heat and fluid flow using a QUICK and other finite difference schemes. It is found that for a forced convection a QUICK scheme provides much less grid dependence than other schemes such as a central deference scheme, an upwind difference scheme, a power law scheme and a hybrid difference scheme. For natural convection of low-Prandtl number fluid, a QUICK scheme gave oscillatory convection while the other schemes did not do for the same numerical conditions.
出处
《工程热物理学报》
EI
CAS
CSCD
北大核心
1999年第5期593-597,共5页
Journal of Engineering Thermophysics
基金
国家自然科学基金
关键词
差分方案
数值传热
流动传热
QUICK
传热
difference scheme, numerical heat transfer, fluid flow and head transfer
