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Grain size distribution in the Kolmogorov model for nucleation and growth: Heterogeneous versus homogeneous nucleation

โœ 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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โœฆ 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.


๐Ÿ“œ SIMILAR VOLUMES


A Model for Simultaneous Homogeneous and
โœ Toshiyuki Nomura; Yasuo Kousaka; Manuel Alonso; Masao Fukunaga; Takeshi Satoh ๐Ÿ“‚ Article ๐Ÿ“… 2000 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 88 KB

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