Journal
JOURNAL OF CHEMICAL PHYSICS
Volume 142, Issue 24, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4922312
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Funding
- National Science Foundation [OCI-1053575]
- Deutsche Forschungsgemeinschaft [ZE 890 1-1, ZE 890 1-2]
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A hybrid Lagrangian-Eulerian approach is used to examine the properties of water clusters formed in neon-water vapor mixtures expanding through microscale conical nozzles. Experimental size distributions were reliably determined by the sodium doping technique in a molecular beam machine. The comparison of computed size distributions and experimental data shows satisfactory agreement, especially for (H2O)(n) clusters with n larger than 50. Thus validated simulations provide size selected cluster temperature profiles in and outside the nozzle. This information is used for an in-depth analysis of the crystallization and water cluster aggregation dynamics of recently reported supersonic jet expansion experiments. (C) 2015 AIP Publishing LLC.
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