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| On the critical radius in generalized Ostwald ripening |
| WANG Qin-bo, ROBERT Finsy, XU Hai-bo, LI Xi |
| Department of Chemical Engineering, Zhejiang University, Hangzhou 310027, China; Department of Physical and Colloid Chemistry, Vrije University Brussel, Pleinlaan 2, B-1050 Brussels, Belgium |
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Abstract The relation between the critical radius and the particle size distribution for generalized Ostwald type ripening processes whereby the mass transfer coefficient is modelled by a power law was derived. The critical radius is determined by the growth rate, the mass transfer coefficient and the mass balance, and is independent of whether the limiting stationary growth regime has been obtained.
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Received: 09 May 2005
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