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Publisher DOI: 10.1016/j.apt.2018.12.007
Title: Investigation of an FFT-based solver applied to dynamic flowsheet simulation of agglomeration processes
Language: English
Authors: Skorych, Vasyl 
Dosta, Maksym 
Hartge, Ernst-Ulrich 
Heinrich, Stefan 
Ahrens, Robin 
Le Borne, Sabine 
Keywords: Population balance equation;Fast Fourier transformation;Adaptive cross approximation;Dynamic flowsheet simulation;Continuous agglomeration
Issue Date: Mar-2019
Publisher: Elsevier
Source: Advanced Powder Technology 3 (30): 555-564 (2019-03)
Journal or Series Name: Advanced powder technology 
Abstract (english): The growth of particles due to agglomeration is often mathematically described by population balance equations. The numerical evaluation of these equations and applying new methods to their solution is an area of increasing interest. In this contribution, a new approach for solving the agglomeration population balance model based on a separable approximation of the agglomeration kernel and a fast Fourier transformation is investigated. Its applicability within a dynamic flowsheet simulation of continuous agglomeration processes with complex structures is analysed. A simulation framework Dyssol is used to study the new method and compare it to the well-known fixed pivot technique. Studies have shown that the new approach can provide a more efficient solution if certain constraints on the number of classes and on the separation rank of the agglomeration kernel are met.
DOI: 10.15480/882.2156
ISSN: 1568-5527
Institute: Feststoffverfahrenstechnik und Partikeltechnologie V-3 
Mathematik E-10 
Mehrskalensimulation von Feststoffsystemen V-EXK1 
Type: (wissenschaftlicher) Artikel
Project: SPP 1679: Dynamische Simulation vernetzter Feststoffprozesse 
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