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Main Title: Assessment of Analytical Orientation Prediction Models for Suspensions Containing Fibers and Spheres
Author(s): Dietemann, Bastien
Bosna, Fatih
Kruggel-Emden, Harald
Kraft, Torsten
Bierwisch, Claas
Type: Article
Abstract: Analytical orientation models like the Folgar Tucker (FT) model are widely applied to predict the orientation of suspended non-spherical particles. The accuracy of these models depends on empirical model parameters. In this work, we assess how well analytical orientation models can predict the orientation of suspensions not only consisting of fibers but also of an additional second particle type in the shape of disks, which are varied in size and filling fraction. We mainly focus on the FT model, and we also compare its accuracy to more complex models like Reduced-Strain Closure model (RSC), Moldflow Rotational Diffusion model (MRD), and Anisotropic Rotary Diffusion model (ARD). In our work, we address the following questions. First, can the FT model predict the orientation of suspensions despite the additional particle phase affecting the rotation of the fibers? Second, is it possible to formulate an expression for the sole Folgar Tucker model parameter that is based on the suspension composition? Third, is there an advantage to choose more complex orientation prediction models that require the adjustment of additional model parameters?
Subject(s): Folgar Tucker model
multicomponent suspensions
smoothed particle hydrodynamics
Issue Date: 13-Apr-2021
Date Available: 19-May-2021
Language Code: en
DDC Class: 620 Ingenieurwissenschaften und zugeordnete Tätigkeiten
Journal Title: Journal of Composites Science
Publisher: MDPI
Volume: 5
Issue: 4
Article Number: 107
Publisher DOI: 10.3390/jcs5040107
EISSN: 2504-477X
TU Affiliation(s): Fak. 3 Prozesswissenschaften » Inst. Prozess- und Verfahrenstechnik » FG Mechanische Verfahrenstechnik und Aufbereitung
Appears in Collections:Technische Universität Berlin » Publications

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