| Titre : |
Dimensional analysis of droplet size and ligament length during high-speed rotaryh bell atomization |
| Type de document : |
texte imprimé |
| Auteurs : |
Lutz Gödeke, Auteur ; Walter Oswald, Auteur ; Norbert Willenbacher, Auteur ; Peter Ehrhard, Auteur |
| Année de publication : |
2021 |
| Article en page(s) : |
p. 75-81 |
| Note générale : |
Bibliogr. |
| Langues : |
Américain (ame) |
| Catégories : |
Analyse dimensionnelle
Atomisation
Dépôt par pulvérisation
Désintégration
Epaississants
Polyacryliques
Taille des gouttelettes
|
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
Modern 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. |
| Note de contenu : |
- General process description and dimensional analysis
- Table 1 : Liquid properties for the different mixtures S1-S5 of sterocoll SHT and SXT used in the experimental setup |
| DOI : |
https://doi.org/10.1007/s11998-020-00389-2 |
| En ligne : |
https://link.springer.com/content/pdf/10.1007/s11998-020-00389-2.pdf |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=35352 |
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 18, N° 1 (01/2021) . - p. 75-81
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