Homogeneous vapor nucleation of the electrolyte solution within a nanopore at its superheat limit was studied using the bubble nucleation model based on molecular interaction. The wall motion of the bubble that evolved from the evaporated electrolyte solution was obtained using the Keller-Miksis equation and the distribution of temperature inside the bubble was obtained by solving the continuity, momentum and energy equations for the vapor inside the bubble. Heat transfer at the interface was also considered in this study. The nucleation rate of the 3 M NaCl solution at 571 K is estimated to be approximately 0.15×1028 clusters/m3s. With this value of the nucleation rate, the complete evaporation time of the 50 nm radius of the electrolyte solution is approximately 0.60 ns. The calculated life time of the bubble that evolved from the evaporated solution, or the time duration for the growth and subsequent collapse of the bubble, is approximately 32 ns, which is close agreement with the observed result of 28 ns. The bubble reaches its maximum radius of 301 nm at 13.2 ns after the bubble evolution.
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ASME 2015 13th International Conference on Nanochannels, Microchannels, and Minichannels collocated with the ASME 2015 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems
July 6–9, 2015
San Francisco, California, USA
Conference Sponsors:
- Heat Transfer Division
- Fluids Engineering Division
ISBN:
978-0-7918-5687-1
PROCEEDINGS PAPER
Homogeneous Vapor Nucleation of Electrolyte Solution Within a Nanopore
Jaekyoon Oh,
Jaekyoon Oh
Chung-Ang University, Seoul, Korea
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Yungpil Yoo,
Yungpil Yoo
Chung-Ang University, Seoul, Korea
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Ho-Young Kwak
Ho-Young Kwak
Chung-Ang University, Seoul, Korea
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Jaekyoon Oh
Chung-Ang University, Seoul, Korea
Yungpil Yoo
Chung-Ang University, Seoul, Korea
Ho-Young Kwak
Chung-Ang University, Seoul, Korea
Paper No:
ICNMM2015-48026, V001T04A017; 8 pages
Published Online:
November 18, 2015
Citation
Oh, J, Yoo, Y, & Kwak, H. "Homogeneous Vapor Nucleation of Electrolyte Solution Within a Nanopore." Proceedings of the ASME 2015 13th International Conference on Nanochannels, Microchannels, and Minichannels collocated with the ASME 2015 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems. ASME 2015 13th International Conference on Nanochannels, Microchannels, and Minichannels. San Francisco, California, USA. July 6–9, 2015. V001T04A017. ASME. https://doi.org/10.1115/ICNMM2015-48026
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