采用理论分析和实验测量相结合的方法研究了水滴在玻璃基底上稳态蒸发时内部能量传输机制.发现了气-液、固-液界面温度不连续现象,且越靠近三相接触线,固-液界面温差越大.固-液界面吸附层的存在导致了该界面温度不连续,从玻璃基底导入的大部分热量通过界面吸附层传向三相接触线,然后通过热毛细对流被带向气 液界面以满足液滴蒸发所需热量,而另外一小部分热量则直接通过导热进入液滴内部.
参考文献
[1] | Girard, F;Antoni, M;Sefiane, K .Infrared Thermography Investigation of an Evaporating Sessile Water Droplet on Heated Substrates[J].Langmuir: The ACS Journal of Surfaces and Colloids,2010(7):4576-4580. |
[2] | Holyst R;Litniewski M .Heat transfer at the nanoscale: Evaporation of nanodroplets[J].Physical review letters,2008(5):055701-1-055701-4-0. |
[3] | Xuefeng Xu;Jianbin Luo;Dan Guo .Criterion for Reversal of Thermal Marangoni Flow in Drying Drops[J].Langmuir: The ACS Journal of Surfaces and Colloids,2010(3):1918-1922. |
[4] | H. Ghasemi;C. A. Ward .Mechanism of Sessile Water Droplet Evaporation: Kapitza Resistance at the Solid-Liquid Interface[J].The journal of physical chemistry, C. Nanomaterials and interfaces,2011(43):21311-21319. |
[5] | Duan F;Ward CA;Badam VK;Durst F .Role of molecular phonons and interfacial-temperature discontinuities in water evaporation[J].Physical review, E. Statistical, nonlinear, and soft matter physics,2008(4 Pt.1):041130-1-041130-10-0. |
[6] | Duan, F;Ward, CA .Investigation of Local Evaporation Flux and Vapor-Phase Pressure at an Evaporative Droplet Interface[J].Langmuir: The ACS Journal of Surfaces and Colloids,2009(13):7424-7431. |
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%