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Virtual Woven Structures - Simulation of Permeability and Filtration Properties
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Twill weave
Visualization of local flow speeds
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The project deals with the 3D pore structure of multifilament woven of high density. It is a joint project conducted by the Chair of Particle Process Engineering at the University of Kaiserslautern, by the Institute of Textile Machinery and High Performance Material Technology at the TU Dresden and by the Fraunhofer ITWM.
An innovative three dimensional structural model is being developed using special tools and complex simulation techniques. The goal of this model is to minimize expenses and maximize performance of customized textile materials specially developed for surgical and filtration applications. The 3D geometrical form is generated based on tomographies and on 2D morphology images obtained by means of a special analysis technique which employs a microtome cutting device. For the generation of the model and the simulation, important barrier and permeability properties along with particle deposition of the textile are taken into account. The calculated interior properties are validated on the basis of experimental results. Fabrication and processing parameters, which influence the three dimensional pore morphology of the textile, ultimately influence the textile´s end properties and can ultimately be determined in the simulation.
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| Acknowledgment |
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The project is funded by the German Research Association DFG (FKZ WI 2266/1-1).
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© Fraunhofer ITWM
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