利用染色线流动显示方法,显示并分析了不同雷诺数下不连续双斜向内肋管管内流场.流动显示实验结果表明不连续双斜向内肋管管内存在较强的贴近壁面的纵向涡,纵向涡沿流向可持续约一倍管径距离,并且纵向涡的强度随雷诺数的增加而增强.
参考文献
[1] | Fiebig M. .Vortices, generators and heat transfer[J].Chemical Engineering Research & Design: Transactions of the Institution of Chemical Engineers,1998(A2):108-123. |
[2] | Chi Chuan Wang;Jerry Lo;Yur-Tsai Lin et al.Flow Visualization of Wave-Type Vortex Generators Having Inline Fin-Tube Arrangement[J].International Journal of Heat and Mass Transfer,2002,45(09):1933-1944. |
[3] | 孟继安 .基于场协同理论的纵向涡强化换热技术及其应用[D].清华大学,2003. |
[4] | 孟继安;过增元;胡桅林 等.不连续双斜内肋强化换热管[P].CN 1451937A |
[5] | Ji-An Meng;Xin-Gang Liang;Zhi-Xin Li .Field synergy optimization and enhanced heat transfer by multi-longitudinal vortexes flow in tube[J].International Journal of Heat and Mass Transfer,2005(16):3331-3337. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%