Abstract
Molecular dynamics (MD) simulation is applied to the condensation process of supersaturated vapors of methane, ethane, and carbon dioxide. Simulations of systems with up to a 106 particles were conducted with a massively parallel MD program. This leads to reliable statistics and makes nucleation rates down to the order of 1030m−3s−1 accessible to the direct simulation approach. Simulation results are compared to the classical nucleation theory (CNT) as well as the modification of Laaksonen, Ford, and Kulmala (LFK) which introduces a size dependence of the specific surface energy. CNT describes the nucleation of ethane and carbon dioxide excellently over the entire studied temperature range, whereas LFK provides a better approach to methane at low temperatures.
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Dates
Type | When |
---|---|
Created | 17 years, 4 months ago (April 23, 2008, 6:50 p.m.) |
Deposited | 2 years ago (Aug. 3, 2023, 8:11 p.m.) |
Indexed | 1 month ago (July 30, 2025, 6:50 a.m.) |
Issued | 17 years, 4 months ago (April 23, 2008) |
Published | 17 years, 4 months ago (April 23, 2008) |
Published Online | 17 years, 4 months ago (April 23, 2008) |
Published Print | 17 years, 4 months ago (April 28, 2008) |
@article{Horsch_2008, title={Homogeneous nucleation in supersaturated vapors of methane, ethane, and carbon dioxide predicted by brute force molecular dynamics}, volume={128}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.2907849}, DOI={10.1063/1.2907849}, number={16}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Horsch, Martin and Vrabec, Jadran and Bernreuther, Martin and Grottel, Sebastian and Reina, Guido and Wix, Andrea and Schaber, Karlheinz and Hasse, Hans}, year={2008}, month=apr }