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  2. School of Engineering
  3. Publikationen
  4. Publikationen School of Engineering
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dc.contributor.authorNeumann, Matthias-
dc.contributor.authorAbdallah, Bassam-
dc.contributor.authorHolzer, Lorenz-
dc.contributor.authorWillot, François-
dc.contributor.authorSchmidt, Volker-
dc.date.accessioned2020-02-13T15:27:17Z-
dc.date.available2020-02-13T15:27:17Z-
dc.date.issued2019-
dc.identifier.issn0169-3913de_CH
dc.identifier.issn1573-1634de_CH
dc.identifier.urihttps://hal.science/hal-02103129/de_CH
dc.identifier.urihttps://digitalcollection.zhaw.ch/handle/11475/19418-
dc.description.abstractWe compare two conceptually different stochastic microstructure models, i.e., a graph-based model and a pluri-Gaussian model, that have been introduced to model the transport properties of three-phase microstructures occurring, e.g., in solid oxide fuel cell electrodes. Besides comparing both models, we present new results regarding the relationship between model parameters and certain microstructure characteristics. In particular, an analytical expression is obtained for the expected length of triple phase boundary per unit volume in the pluri-Gaussian model. As a case study, we consider 3D image data which show a representative cutout of a solid oxide fuel cell anode obtained by FIB-SEM tomography. The two models are fitted to image data and compared in terms of morphological characteristics (like mean geodesic tortuosity and constrictivity) as well as in terms of effective transport properties. The Stokes flow in the pore phase and effective conductivities in the solid phases are computed numerically for realizations of the two models as well as for the 3D image data using Fourier methods. The local and effective physical responses of the model realizations are compared to those obtained from 3D image data. Finally, we assess the accuracy of the two methods to predict permeability as well as electronic and ionic conductivities of the anode.de_CH
dc.language.isoende_CH
dc.publisherSpringerde_CH
dc.relation.ispartofTransport in Porous Mediade_CH
dc.rightsLicence according to publishing contractde_CH
dc.subject.ddc621.3: Elektro-, Kommunikations-, Steuerungs- und Regelungstechnikde_CH
dc.titleStochastic 3D modeling of three-phase microstructures for predicting transport properties: a case studyde_CH
dc.typeBeitrag in wissenschaftlicher Zeitschriftde_CH
dcterms.typeTextde_CH
zhaw.departementSchool of Engineeringde_CH
dc.identifier.doi10.1007/s11242-019-01240-yde_CH
zhaw.funding.euNode_CH
zhaw.issue1de_CH
zhaw.originated.zhawYesde_CH
zhaw.pages.end200de_CH
zhaw.pages.start179de_CH
zhaw.publication.statuspublishedVersionde_CH
zhaw.volume128de_CH
zhaw.publication.reviewPeer review (Publikation)de_CH
zhaw.author.additionalNode_CH
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Neumann, M., Abdallah, B., Holzer, L., Willot, F., & Schmidt, V. (2019). Stochastic 3D modeling of three-phase microstructures for predicting transport properties: a case study. Transport in Porous Media, 128(1), 179–200. https://doi.org/10.1007/s11242-019-01240-y
Neumann, M. et al. (2019) ‘Stochastic 3D modeling of three-phase microstructures for predicting transport properties: a case study’, Transport in Porous Media, 128(1), pp. 179–200. Available at: https://doi.org/10.1007/s11242-019-01240-y.
M. Neumann, B. Abdallah, L. Holzer, F. Willot, and V. Schmidt, “Stochastic 3D modeling of three-phase microstructures for predicting transport properties: a case study,” Transport in Porous Media, vol. 128, no. 1, pp. 179–200, 2019, doi: 10.1007/s11242-019-01240-y.
NEUMANN, Matthias, Bassam ABDALLAH, Lorenz HOLZER, François WILLOT und Volker SCHMIDT, 2019. Stochastic 3D modeling of three-phase microstructures for predicting transport properties: a case study. Transport in Porous Media [online]. 2019. Bd. 128, Nr. 1, S. 179–200. DOI 10.1007/s11242-019-01240-y. Verfügbar unter: https://hal.science/hal-02103129/
Neumann, Matthias, Bassam Abdallah, Lorenz Holzer, François Willot, and Volker Schmidt. 2019. “Stochastic 3D Modeling of Three-Phase Microstructures for Predicting Transport Properties: A Case Study.” Transport in Porous Media 128 (1): 179–200. https://doi.org/10.1007/s11242-019-01240-y.
Neumann, Matthias, et al. “Stochastic 3D Modeling of Three-Phase Microstructures for Predicting Transport Properties: A Case Study.” Transport in Porous Media, vol. 128, no. 1, 2019, pp. 179–200, https://doi.org/10.1007/s11242-019-01240-y.


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