本文利用红外热成像仪对不锈钢微管内水的流动沸腾的壁面瞬态温度场进行了测量.结果表明,相比传统的热电偶测量方式,在微尺度实验中采用红外温度测量瞬态温度场具有更高的可靠性.利用红外温度测量的显示特点,预测不锈钢微管内流动沸腾的流型变化情况,在本文的实验条件下,不锈钢微管内水的流动沸腾流型变化基本上是以单相流、汽塞流和环状流的交替产生为主.
参考文献
[1] | H.Y. Wu;Ping Cheng .Visualization and measurements of periodic boiling in silicon microchannels[J].International Journal of Heat and Mass Transfer,2003(14):2603-2614. |
[2] | Lian Zhang;Jae-Mo Koo;Linan Jiang;Mehdi Asheghi;Kenneth E. Goodson;Juan G. Santiago;Thomas W. Kenny .Measurements and modeling of two-phase flow in microchannels with nearly constant heat flux boundary conditions[J].Journal of Microelectromechanical Systems: A Joint IEEE and ASME Publication on Microstructures, Microactuators, Microsensors, and Microsystems,2002(1):12-19. |
[3] | 颜晓虹,赵耀华.微管内流动沸腾流型的可视化研究[J].工程热物理学报,2005(z1):183-186. |
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%