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  4. Comparison of numerical methods for solving population balance equations incorporating aggregation and breakage
 
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Comparison of numerical methods for solving population balance equations incorporating aggregation and breakage

Publikationstyp
Journal Article
Date Issued
2009-01-31
Sprache
English
Author(s)
Kumar, Jitendra  
Warnecke, Gerald  
Peglow, Natalie  
Heinrich, Stefan  
Institut
Feststoffverfahrenstechnik und Partikeltechnologie V-3  
TORE-URI
http://hdl.handle.net/11420/13774
Journal
Powder technology  
Volume
189
Issue
2
Start Page
218
End Page
229
Citation
Powder Technology 189 (2): 218-229 (2009-01-31)
Publisher DOI
10.1016/j.powtec.2008.04.014
Scopus ID
2-s2.0-58349111867
This paper presents a comparison of numerical results obtained by two different approaches, the sectional methods and finite volume methods, of solving population balance equations. In particular, the cell average technique, recently proposed by the authors [J. Kumar et al. 2006, Improved accuracy and convergence of discretized population balance for aggregation: the cell average technique. Chemical Engineering Science, 61, 3327-3342] and the finite volume scheme developed by Filbet and Laurençot [2004, Numerical simulation of the Smoluchowski coagulation equation. SIAM Journal on Scientific Computing, 25:2004-2028] are considered. The advantages and disadvantages are pointed out between the two different approaches of solving the population balance equations. It is concluded that the finite volume scheme predicts more accurate results for particle number density on fine grids, on the other hand quite reasonable results for number density as well as for its moments can be obtained using the cell average scheme even on coarse grids.
Subjects
Aggregation
Breakage
Cell average technique
Finite volume technique
Numerical methods
Population balances
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