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dc.contributor.authorSiyahhan, Bercan-
dc.contributor.authorBoiger, Gernot-
dc.date.accessioned2023-01-27T16:00:38Z-
dc.date.available2023-01-27T16:00:38Z-
dc.date.issued2022-12-16-
dc.identifier.issn2409-1669de_CH
dc.identifier.issn2409-7527de_CH
dc.identifier.urihttps://static1.squarespace.com/static/5c9f89c101232c1d41297d67/t/639912525a90a93394aa8b71/1670976084271/MULTIPHYSICS+2022-Abstract+Booklet.pdfde_CH
dc.identifier.urihttps://digitalcollection.zhaw.ch/handle/11475/26750-
dc.description.abstractIn industrial processes, powder coating is widely utilized to attain functional or aesthetic surface properties on manufactured parts. In our previous contributions, we have introduced the software coatSim developed specifically for the simulation of surface coating processes and an underlying Eulerian-Lagrangian Multiphysics solver, developed within OpenFOAM. In the scope of the current study, a closer investigation is conducted into the interactions that occur on the surface of a substrate during the coating process. As a first approximation, it can be assumed that a particle sticks to the substrate at the location of first contact. However, in reality it is observed that particles glide over the substrate, based on the forces acting on them. Of those forces, the pressure force, exerted by the on-setting airflow and the electro-static particle-substrate attraction force act perpendicular and pointing towards the surface of the substrate, while the fluid-particle shear force and an electrostatic particle-particle repulsion force, act parallel to the surface. The gravitational body force, which may have components in both directions, depending on the orientation of the substrate, will complete the force balance on individual particles at a certain location on the substrate. The ratio of magnitude of the sum of perpendicular force components to parallel force components will determine whether a particle will stick or not. In the latter case the particle will drift along the substrate surface until blown-off. It will be demonstrated that the interactions on the surface of the substrate have a big impact on the coating outcome and that experimentally observed patterns can only be predicted accurately if those interactions are taken into account. Experiments conducted previously will form the basis for the validation of the surface interaction model and a dimensional analysis will illustrate the weight of the individual forces on the overall force balance.de_CH
dc.language.isoende_CH
dc.publisherInternational Society of Multiphysicsde_CH
dc.rightsLicence according to publishing contractde_CH
dc.subjectPowder coatingde_CH
dc.subjectcoatSimde_CH
dc.subjectMultiphysics simulation solverde_CH
dc.subjectParticle surface interactionde_CH
dc.subjectEulerian Lagrangian methodde_CH
dc.subject.ddc005: Computerprogrammierung, Programme und Datende_CH
dc.subject.ddc660: Technische Chemiede_CH
dc.titleThe modelling of substrate surface interactions in a Eulerian-Lagrangian multiphysics solver and its impact on powder coating pattern predictionde_CH
dc.typeKonferenz: Sonstigesde_CH
dcterms.typeTextde_CH
zhaw.departementSchool of Engineeringde_CH
zhaw.organisationalunitInstitute of Computational Physics (ICP)de_CH
zhaw.conference.detailsInternational Conference of Multiphysics, Oslo, Norway, 15-16 December 2022de_CH
zhaw.funding.euNode_CH
zhaw.originated.zhawYesde_CH
zhaw.pages.start46de_CH
zhaw.publication.statuspublishedVersionde_CH
zhaw.publication.reviewPeer review (Abstract)de_CH
zhaw.title.proceedingsMultiphysics 2022de_CH
zhaw.webfeedMultiphysics Modelingde_CH
zhaw.funding.zhawcoatSim Software Entwicklung (BREF)de_CH
zhaw.author.additionalNode_CH
zhaw.display.portraitYesde_CH
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Siyahhan, B., & Boiger, G. (2022). The modelling of substrate surface interactions in a Eulerian-Lagrangian multiphysics solver and its impact on powder coating pattern prediction [Conference presentation]. Multiphysics 2022, 46. https://static1.squarespace.com/static/5c9f89c101232c1d41297d67/t/639912525a90a93394aa8b71/1670976084271/MULTIPHYSICS+2022-Abstract+Booklet.pdf
Siyahhan, B. and Boiger, G. (2022) ‘The modelling of substrate surface interactions in a Eulerian-Lagrangian multiphysics solver and its impact on powder coating pattern prediction’, in Multiphysics 2022. International Society of Multiphysics, p. 46. Available at: https://static1.squarespace.com/static/5c9f89c101232c1d41297d67/t/639912525a90a93394aa8b71/1670976084271/MULTIPHYSICS+2022-Abstract+Booklet.pdf.
B. Siyahhan and G. Boiger, “The modelling of substrate surface interactions in a Eulerian-Lagrangian multiphysics solver and its impact on powder coating pattern prediction,” in Multiphysics 2022, Dec. 2022, p. 46. [Online]. Available: https://static1.squarespace.com/static/5c9f89c101232c1d41297d67/t/639912525a90a93394aa8b71/1670976084271/MULTIPHYSICS+2022-Abstract+Booklet.pdf
SIYAHHAN, Bercan und Gernot BOIGER, 2022. The modelling of substrate surface interactions in a Eulerian-Lagrangian multiphysics solver and its impact on powder coating pattern prediction. In: Multiphysics 2022 [online]. Conference presentation. International Society of Multiphysics. 16 Dezember 2022. S. 46. Verfügbar unter: https://static1.squarespace.com/static/5c9f89c101232c1d41297d67/t/639912525a90a93394aa8b71/1670976084271/MULTIPHYSICS+2022-Abstract+Booklet.pdf
Siyahhan, Bercan, and Gernot Boiger. 2022. “The Modelling of Substrate Surface Interactions in a Eulerian-Lagrangian Multiphysics Solver and Its Impact on Powder Coating Pattern Prediction.” Conference presentation. In Multiphysics 2022, 46. International Society of Multiphysics. https://static1.squarespace.com/static/5c9f89c101232c1d41297d67/t/639912525a90a93394aa8b71/1670976084271/MULTIPHYSICS+2022-Abstract+Booklet.pdf.
Siyahhan, Bercan, and Gernot Boiger. “The Modelling of Substrate Surface Interactions in a Eulerian-Lagrangian Multiphysics Solver and Its Impact on Powder Coating Pattern Prediction.” Multiphysics 2022, International Society of Multiphysics, 2022, p. 46, https://static1.squarespace.com/static/5c9f89c101232c1d41297d67/t/639912525a90a93394aa8b71/1670976084271/MULTIPHYSICS+2022-Abstract+Booklet.pdf.


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