Multiphase Simulations of a Lyocell Process

Research output: ThesisDoctoral Thesis

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Multiphase Simulations of a Lyocell Process. / Bouwman, Marinus.
2008. 153 p.

Research output: ThesisDoctoral Thesis

Bibtex - Download

@phdthesis{428fcc6ed1a544a58182f22052de18a4,
title = "Multiphase Simulations of a Lyocell Process",
abstract = "The thesis deals with the simulation and optimisation of parts of the Lyocell process. Starting with trees and ending with cellulose fibres, the Lyocell process is one of the most advanced methods for creating natural fibres without causing any pollution to the environment. In particular, the filter systems and the spinneret at the end of the spinning process are studied in detail. After locating the key players that prohibit the spinneret to function continuously, possible blocking theories are described. Using the possibilities of Computational Fluid Dynamics (CFD), these theories are than verified using computer simulations. Finally, after studying the optimisation potential, the filters and spinneret are optimised using a variational method. A very complex and highly advanced industrial process has been investigated intensively from various angles while at the same time, solid suggestions on improvements are given.",
keywords = "Lyocell CFD Computational Fluid Dynamics OpenFOAM Volume of Fluid VoF Lagrange viscosity filters cellulose gel particle, Lyozell OpenFOAM Filter Partikel Gel Zellulose Fasern",
author = "Marinus Bouwman",
note = "no embargo",
year = "2008",
language = "English",

}

RIS (suitable for import to EndNote) - Download

TY - BOOK

T1 - Multiphase Simulations of a Lyocell Process

AU - Bouwman, Marinus

N1 - no embargo

PY - 2008

Y1 - 2008

N2 - The thesis deals with the simulation and optimisation of parts of the Lyocell process. Starting with trees and ending with cellulose fibres, the Lyocell process is one of the most advanced methods for creating natural fibres without causing any pollution to the environment. In particular, the filter systems and the spinneret at the end of the spinning process are studied in detail. After locating the key players that prohibit the spinneret to function continuously, possible blocking theories are described. Using the possibilities of Computational Fluid Dynamics (CFD), these theories are than verified using computer simulations. Finally, after studying the optimisation potential, the filters and spinneret are optimised using a variational method. A very complex and highly advanced industrial process has been investigated intensively from various angles while at the same time, solid suggestions on improvements are given.

AB - The thesis deals with the simulation and optimisation of parts of the Lyocell process. Starting with trees and ending with cellulose fibres, the Lyocell process is one of the most advanced methods for creating natural fibres without causing any pollution to the environment. In particular, the filter systems and the spinneret at the end of the spinning process are studied in detail. After locating the key players that prohibit the spinneret to function continuously, possible blocking theories are described. Using the possibilities of Computational Fluid Dynamics (CFD), these theories are than verified using computer simulations. Finally, after studying the optimisation potential, the filters and spinneret are optimised using a variational method. A very complex and highly advanced industrial process has been investigated intensively from various angles while at the same time, solid suggestions on improvements are given.

KW - Lyocell CFD Computational Fluid Dynamics OpenFOAM Volume of Fluid VoF Lagrange viscosity filters cellulose gel particle

KW - Lyozell OpenFOAM Filter Partikel Gel Zellulose Fasern

M3 - Doctoral Thesis

ER -