Our previous model for simultaneous homogeneous and heterogeneous nucleation, which was successfully tested for silver particle generation by a chemical reduction method, is extended to the case of slow reaction rate. Nucleation in a system containing seed particles in the case where the reaction ra
Grain size distribution in the Kolmogorov model for nucleation and growth: Heterogeneous versus homogeneous nucleation
โ Scribed by Dr.Sc B. Lorenz
- Publisher
- John Wiley and Sons
- Year
- 1987
- Tongue
- English
- Weight
- 364 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0232-1300
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โฆ Synopsis
A theory of grain size distribution in nucleation and growth reactions described by the KOLMOCOROV model is developed. The distribution of agglomerates of growing and impinging nuclei is explicitely calculated for the two cases of heterogeneous and homogeneous nucleation. The results are compared and discussed with respect to the investigation of the nucleation niechanisni in crystallization processes.
Es wird eine Theorie der KorngroBenverteilung entwickelt fur Keimbildungs-und Wachstunisprozesse, die durch das KoLMoGoRov-Modell beschrieben werden. F u r die zwei Flille der heterogenen und der homogenen Keimbildung werden die Verteilungen der Agglomerate ineinanderwachsender Keime explizit berechnet. Die Ergebnisse werden verglichen uncl bezuglich ihrer Anwendung auf die Untersuchung des Keimbildungsmechanislnus in Kristallisationsprozessen diskutiert.
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