NDLI: A simplified analysis method for correlating rotary atomizer performance on droplet size and coating appearance

Content Provider	Springer Nature Link
Author	Ellwood, Kevin R. J. Tardiff, Janice L. Alaie, Seyed M.
Copyright Year	2013
Abstract	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.
Starting Page	303
Ending Page	309
Page Count	7
File Format	PDF
ISSN	15470091
Journal	JCT Research
Volume Number	11
Issue Number	3
e-ISSN	19353804
Language	English
Publisher	Springer US
Publisher Date	2013-10-16
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Atomization Paint appearance Paint deposition Spray application Rotary atomizer Tribology, Corrosion and Coatings Surfaces and Interfaces, Thin Films Polymer Sciences Industrial Chemistry/Chemical Engineering Materials Science
Content Type	Text
Resource Type	Article
Subject	Chemistry Surfaces, Coatings and Films Colloid and Surface Chemistry Surfaces and Interfaces

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