Abstract
Molecular dynamic simulations are performed to study the effects of nanostructure on rapid boiling of water that is suddenly heated by a hot copper plate. The results show that the nanostructure has significant effects on energy transfer from solid copper plate to liquid water and phase change process from liquid water to vapor. The liquid water on the solid surface rapidly boil after contacting with an extremely hot copper plate and consequently a cluster of liquid water moves upward during phase change. The temperature of the water film when it separates from solid surface and its final temperature when the system is at equilibrium strongly depend on the size of the nanostructure. These temperatures increase with increasing size of nanostructure. Furthermore, a non-vaporized molecular layer is formed on the surface of the copper plate even continuous heat flux is passing into water domain through the plate.
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Acknowledgments
The research was financially supported under the grant of the National Nature Science Foundation of China under Grant Number 51275180, the National Nature Science Foundation of China under Grant Number 51475172 and the US National Science Foundation under Grant Number CBET-1066917. The authors also would like to acknowledge the Join-training PhD Program (No. 201306150079) sponsored by the China Scholarship Council and hosted by the University of Missouri.
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Fu, T., Mao, Y., Tang, Y. et al. Effect of nanostructure on rapid boiling of water on a hot copper plate: a molecular dynamics study. Heat Mass Transfer 52, 1469–1478 (2016). https://doi.org/10.1007/s00231-015-1668-2
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DOI: https://doi.org/10.1007/s00231-015-1668-2