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On the geometry of cohesive settling flocs
Scarlatos, P.D.; Kim, H.-S. (2002). On the geometry of cohesive settling flocs, in: Winterwerp, J.C. et al. (Ed.) Fine sediment dynamics in the marine environment. Proceedings in Marine Science, 5: pp. 265-276
In: Winterwerp, J.C.; Kranenburg, C. (Ed.) (2002). Fine sediment dynamics in the marine environment. Proceedings in Marine Science, 5. Elsevier: Amsterdam. ISBN 0-444-51136-9. XV, 713 pp., more
In: Proceedings in Marine Science. Elsevier: New York. ISSN 1568-2692; e-ISSN 2352-2860, more
Peer reviewed article  
Available in  Authors 
Keyword
    Marine/Coastal
Author keywords
    aggregation; cohesive sediments; flocculation; fractals; sedimentation
Authors  Top 
  • Scarlatos, P.D.
  • Kim, H.-S.
Abstract
    Numerical experiments have been conducted to investigate the aggregating processes of settling floes within the mobile and stationary suspension layers. The methodology used included the maximum chain collision model for floc aggregation of mobile suspensions and differential settling collision for flocculation of stationary suspensions. The aggregates were analyzed in terms of their fractal dimension and other geometric characteristics using the Feret's diameter and Minkowski's logic. The results indicated a fractal dimension varying between 1.87 and 2.1 for the aggregates and a dimension of 1.65 to 2.45 for the floccules. The results are in agreement with observations from other numerical and experimental studies.
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