Dimensional analysis of droplet size and ligament length during high-speed rotary bell atomization

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dc.contributor.authorGödeke, Lutz
dc.contributor.authorOswald, Walter
dc.contributor.authorWillenbacher, Norbert
dc.contributor.authorEhrhard, Peter
dc.date.accessioned2021-04-06T11:08:01Z
dc.date.available2021-04-06T11:08:01Z
dc.date.issued2020-10-01
dc.description.abstractModern spray-coating processes are based on high-volume, low-pressure, airless atomization or high-speed rotary bell atomization, often assisted by electrostatic charging to increase the transfer efficiency. The process from the liquid film flow beneath the bell, through ligament formation and consecutive disintegration to droplet deposition, has been constantly explored during the evolution of automotive spray coating. This work proposes a set of dimensionless groups that fully describe the process from film flow to ligament disintegration, including shear and elongational flow effects during atomization of particle laden, shear thinning, viscoelastic fluids.en
dc.identifier.urihttp://hdl.handle.net/2003/40137
dc.identifier.urihttp://dx.doi.org/10.17877/DE290R-22012
dc.language.isoende
dc.relation.ispartofseriesJ Coat Technol Res;18
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectDimensional analysisen
dc.subjectHigh-speed rotary bell atomizationen
dc.subjectElongational flowen
dc.subjectLigament disintegrationen
dc.subjectDroplet sizeen
dc.subjectAcrylic thickeneren
dc.subjectPlate-like particlesen
dc.subject.ddc660
dc.subject.rswkDimensionsanalysede
dc.subject.rswkZerstäubungde
dc.subject.rswkTroutonströmungde
dc.subject.rswkTropfengrößede
dc.subject.rswkTeilchenformde
dc.titleDimensional analysis of droplet size and ligament length during high-speed rotary bell atomizationen
dc.typeTextde
dc.type.publicationtypearticlede
dcterms.accessRightsopen access
eldorado.secondarypublicationtruede
eldorado.secondarypublication.primarycitationGödeke, L., Oswald, W., Willenbacher, N. et al. Dimensional analysis of droplet size and ligament length during high-speed rotary bell atomization. J Coat Technol Res 18, 75–81 (2021).de
eldorado.secondarypublication.primaryidentifierhttps://doi.org/10.1007/s11998-020-00389-2de

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Arbeitsgruppe Strömungsmechanik