| Titre : |
A simplified analysis method for correlating rotary atomizer performance on droplet size and coating appearance |
| Type de document : |
texte imprimé |
| Auteurs : |
Kevin R. J. Ellwood, Auteur ; Janice L. Tardiff, Auteur ; Seyed M. Alaie, Auteur |
| Année de publication : |
2014 |
| Article en page(s) : |
p. 303-309 |
| Note générale : |
Bibliogr. |
| Langues : |
Américain (ame) |
| Catégories : |
Atomiseurs
Automobiles -- Revêtements:Automobiles -- Peinture
Dépôt par pulvérisation
Revêtements -- Appareils et matériels:Peinture -- Appareils et matériels
Système de pulvérisation (technologie)
|
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
The dominant method of atomizing automotive paint is through the use of rotating bell sprayers. For this class of atomizer, the problem of paint thickness across the bell has been theoretically solved on a representative geometry that includes factors such as fluid flow rate, bell speed, bell cup radius, and fluid properties. It was assumed that the paint film eventually forms uniform ligaments at the bell cup edge that break due to hydrodynamic stability during the paint spray process; thus, creating a characteristic particle size distribution for the spray. These particle size distributions will vary as the spray parameters, specifically fluid flow rate, bell speed, and bell cup radius, vary. The theoretical model that has been developed strongly correlates to the literature data available for paint droplet size from rotary bell atomizers. Expansion of the correlation of the theoretical model to paint appearance wavelength measurements, Wc and Wd, in place of droplet size provides further understanding of the effect of paint spray parameters on paint appearance. Use of these correlations can help to optimize paint appearance and improve paint spray simulation results. |
| DOI : |
10.1007/s11998-013-9535-x |
| En ligne : |
https://link.springer.com/content/pdf/10.1007%2Fs11998-013-9535-x.pdf |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=21449 |
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 11, N° 3 (05/2014) . - p. 303-309
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