Nanoparticle growth based on three-dimensional heterogeneous nucleation was simulated by classical molecular dynamics. To collectively observe the effects of the dimension of seeds and thermodynamic conditions, seed size and system supersaturation ratio were the factors that were examined to see if they influenced the nucleation rates. Two stages were found to exist within the system, where the first stage is from the seed growth and the second from homogeneous nucleation. The Yasuoka-Matsumoto method was used to calculate the rates. The homogeneous nucleation characteristics coincided with the classical nucleation theory, but heterogeneous nucleation showed an irregular form, which at the current state cannot not be fully understood. Kinetic analysis was also performed to calculate the critical nucleus size and better understand the seed growth characteristics. All in all, the seed effects were insignificant to the overall nucleation characteristics for this system.
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ASME/JSME 2011 8th Thermal Engineering Joint Conference
March 13–17, 2011
Honolulu, Hawaii, USA
Conference Sponsors:
- Heat Transfer Division
ISBN:
978-0-7918-3892-1
PROCEEDINGS PAPER
Molecular Dynamics Simulation of Three-Dimensional Heterogeneous Nucleation
Donguk Suh,
Donguk Suh
Keio University, Yokohama, Kanagawa, Japan
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Kenji Yasuoka
Kenji Yasuoka
Keio University, Yokohama, Kanagawa, Japan
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Donguk Suh
Keio University, Yokohama, Kanagawa, Japan
Kenji Yasuoka
Keio University, Yokohama, Kanagawa, Japan
Paper No:
AJTEC2011-44407, T30085; 7 pages
Published Online:
March 1, 2011
Citation
Suh, D, & Yasuoka, K. "Molecular Dynamics Simulation of Three-Dimensional Heterogeneous Nucleation." Proceedings of the ASME/JSME 2011 8th Thermal Engineering Joint Conference. ASME/JSME 2011 8th Thermal Engineering Joint Conference. Honolulu, Hawaii, USA. March 13–17, 2011. T30085. ASME. https://doi.org/10.1115/AJTEC2011-44407
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