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Spray deposition: the importance of droplet impact phenomena

Rein, M. (1998) Spray deposition: the importance of droplet impact phenomena. In: Sprühkompaktieren / Sprayforming SFB 372, Vol. 3. Universität Bremen, Bremen 1998. ISBN 3-88722-419-1.

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Abstract

Spray deposition is governed by a wide variety of different physical processes. These range from atomization, acceleration and transport of droplets, via heat transfer in the spray region, to the impact and solidification of droplets on a substrate. While some of these aspects have received a great deal of attention in the past, the phenomena of droplet impact are still not well understood and subject to many investigations. The particular processes occurring during droplet impact are important both, to the final characteristics of the sprayed product and to the manufacturing costs. For example, the entrainment of gas bubbles or the rupture of the metal melt by cavitation may result in spray products of minor quality. Furthermore, splashing drops can produce a large number of splash droplets that are carried away by the gas flow, thus leading to an additional source of overspray. These and other phenomena of droplet impact, and their significance to spray deposition processes will be discussed.

Document Type:Contribution to a Collection
Additional Information: LIDO-Berichtsjahr=2003,
Title:Spray deposition: the importance of droplet impact phenomena
Authors:
AuthorsInstitution or Email of Authors
Rein, M.UNSPECIFIED
Date:1998
Journal or Publication Title:Sprühkompaktieren / Sprayforming
Refereed publication:Yes
In ISI Web of Science:No
Volume:Vol. 3
Editors:
EditorsEmail
Bauckhage, K.UNSPECIFIED
Uhlenwinkel, V.UNSPECIFIED
Publisher:Universität Bremen, Bremen 1998
Series Name:SFB 372
ISBN:3-88722-419-1
Status:Published
Keywords:drop deposition, spray deposition, droplet impact, gas entrainment, capillarity
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Flight Physics
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology
Deposited By: elib DLR-Beauftragter
Deposited On:31 Jan 2006
Last Modified:14 Jan 2010 19:17

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