The temperature and size distribution of large water clusters from a non-equilibrium model

2015 | journal article. A publication of Göttingen

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​The temperature and size distribution of large water clusters from a non-equilibrium model​
Gimelshein, N.; Gimelshein, S.; Pradzynski, C. C.; Zeuch, T. & Buck, U.​ (2015) 
The Journal of Chemical Physics142(24) art. 244305​.​ DOI: https://doi.org/10.1063/1.4922312 

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Authors
Gimelshein, N.; Gimelshein, S.; Pradzynski, Christoph C.; Zeuch, Thomas; Buck, Udo
Abstract
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.
Issue Date
2015
Status
published
Publisher
Amer Inst Physics
Journal
The Journal of Chemical Physics 
ISSN
1089-7690; 0021-9606

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