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dc.contributor.authorBrunner, Daniel-
dc.contributor.authorHäusler, Klaus-
dc.contributor.authorKumar, Sunil-
dc.contributor.authorKhawaja, Hassan-
dc.contributor.authorMoatamedi, Moji-
dc.contributor.authorBoiger, Gernot Kurt-
dc.date.accessioned2019-01-16T15:09:05Z-
dc.date.available2019-01-16T15:09:05Z-
dc.date.issued2018-
dc.identifier.issn2409-1669de_CH
dc.identifier.issn2409-7527de_CH
dc.identifier.urihttps://digitalcollection.zhaw.ch/handle/11475/14446-
dc.identifier.urihttps://static1.squarespace.com/static/5c9f89c101232c1d41297d67/t/5d79421b22d903374b24546b/1568227887439/MULTIPHYSICS+2018+-+Abstracts.pdfde_CH
dc.description.abstractMonitoring fluid properties such as viscosity is crucial in many industrial processes. Viscosity sensors based on mechanical vibrations can offer a solution to monitor the fluid viscosity online. However, such sensors’ sensitivity drop due to fouling and it is a common problem in industrial processes. The goal of the presented study is to investigate the effects of a purely elastic fouling layer on the sensing element of a viscosity sensor using experiments and numerical models. The sensor used in this study is a probe style torsional resonator. The measuring principle of this sensor is correlating the damping of the resonating system to the viscosity-density product of the surrounding fluid. In case of fouling, the characteristics of the resonator are affected by the fouling layer. In the given study, the impact on the damping due to the fouling layer is investigated by conducting the experiments and comparing it with three different numerical models. In experiments, the sensor has been coated with metal in the sensing area. Then, the sensor has been immersed into different fluids to determine the impact of the metal layer on the viscous induced damping. To understand the physical implications of the deposit on the resonating system three different numerical models have been developed. These models describe the resonator with increasing degree of detail. First model is using single mass spring system, second model is two masses with three springs system, and third model is 3D structural model solved in COMSOL® Multiphysics. In all of the above models, the fluid-structure interaction is weakly coupled with an analytical solution for the flow field. These models are compared and tested against the experiments.de_CH
dc.language.isoende_CH
dc.publisherInternational Society of Multiphysicsde_CH
dc.relation.ispartofThe International Journal of Multiphysicsde_CH
dc.rightsLicence according to publishing contractde_CH
dc.subjectFoulingde_CH
dc.subjectMechanical-resonatorde_CH
dc.subjectNumerical modelde_CH
dc.subjectExperimentde_CH
dc.subjectViscosity sensorde_CH
dc.subjectFluid-solid interactionde_CH
dc.subject.ddc530: Physikde_CH
dc.titleImpact of fouling on mechanical resonator-based viscosity sensors : comparison of experiments and numerical modelsde_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, Krakow, Poland, 13-14 December 2018de_CH
zhaw.funding.euNode_CH
zhaw.originated.zhawYesde_CH
zhaw.publication.statuspublishedVersionde_CH
zhaw.publication.reviewPeer review (Abstract)de_CH
zhaw.title.proceedingsMultiphysics 2018de_CH
zhaw.webfeedSimulation and Optimizationde_CH
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Brunner, D., Häusler, K., Kumar, S., Khawaja, H., Moatamedi, M., & Boiger, G. K. (2018). Impact of fouling on mechanical resonator-based viscosity sensors : comparison of experiments and numerical models. The International Journal of Multiphysics. https://static1.squarespace.com/static/5c9f89c101232c1d41297d67/t/5d79421b22d903374b24546b/1568227887439/MULTIPHYSICS+2018+-+Abstracts.pdf
Brunner, D. et al. (2018) ‘Impact of fouling on mechanical resonator-based viscosity sensors : comparison of experiments and numerical models’, in The International Journal of Multiphysics. International Society of Multiphysics. Available at: https://static1.squarespace.com/static/5c9f89c101232c1d41297d67/t/5d79421b22d903374b24546b/1568227887439/MULTIPHYSICS+2018+-+Abstracts.pdf.
D. Brunner, K. Häusler, S. Kumar, H. Khawaja, M. Moatamedi, and G. K. Boiger, “Impact of fouling on mechanical resonator-based viscosity sensors : comparison of experiments and numerical models,” in The International Journal of Multiphysics, 2018. [Online]. Available: https://static1.squarespace.com/static/5c9f89c101232c1d41297d67/t/5d79421b22d903374b24546b/1568227887439/MULTIPHYSICS+2018+-+Abstracts.pdf
BRUNNER, Daniel, Klaus HÄUSLER, Sunil KUMAR, Hassan KHAWAJA, Moji MOATAMEDI und Gernot Kurt BOIGER, 2018. Impact of fouling on mechanical resonator-based viscosity sensors : comparison of experiments and numerical models. In: The International Journal of Multiphysics [online]. Conference presentation. International Society of Multiphysics. 2018. Verfügbar unter: https://static1.squarespace.com/static/5c9f89c101232c1d41297d67/t/5d79421b22d903374b24546b/1568227887439/MULTIPHYSICS+2018+-+Abstracts.pdf
Brunner, Daniel, Klaus Häusler, Sunil Kumar, Hassan Khawaja, Moji Moatamedi, and Gernot Kurt Boiger. 2018. “Impact of Fouling on Mechanical Resonator-Based Viscosity Sensors : Comparison of Experiments and Numerical Models.” Conference presentation. In The International Journal of Multiphysics. International Society of Multiphysics. https://static1.squarespace.com/static/5c9f89c101232c1d41297d67/t/5d79421b22d903374b24546b/1568227887439/MULTIPHYSICS+2018+-+Abstracts.pdf.
Brunner, Daniel, et al. “Impact of Fouling on Mechanical Resonator-Based Viscosity Sensors : Comparison of Experiments and Numerical Models.” The International Journal of Multiphysics, International Society of Multiphysics, 2018, https://static1.squarespace.com/static/5c9f89c101232c1d41297d67/t/5d79421b22d903374b24546b/1568227887439/MULTIPHYSICS+2018+-+Abstracts.pdf.


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