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CFD modelling of primary breakup during metal powder atomization

Zeoli, N, Tabbara, H and Gu, S (2011) CFD modelling of primary breakup during metal powder atomization Chemical Engineering Science, 66 (24 (15). pp. 6498-6504.

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Abstract

Powder metals are the basis of powder metallurgy with a large variety of applications, including sintering and thermal spray coatings. The Gas atomization process has been widely employed as an effective method to produce fine spherical metal powders. New applications and emerging surface technologies demand high quality powders with a very narrow particle size distribution. A computational fluid dynamics (CFD) approach is developed to examine complex fluids during atomization from different nozzle designs, using the volume of fluid (VOF) method and the Reynolds Stress Model (RSM). The modeling results show that the swirling gas atomizer is not beneficial to the atomization process while the inner-jet atomizer can improve the powder generation processing.

Item Type: Article
Authors :
NameEmailORCID
Zeoli, NUNSPECIFIEDUNSPECIFIED
Tabbara, HUNSPECIFIEDUNSPECIFIED
Gu, SUNSPECIFIEDUNSPECIFIED
Date : 22 September 2011
Funders : EU FP7, PowderMatrix
Identification Number : 10.1016/j.ces.2011.09.014
Copyright Disclaimer : Copyright © 2016 Elsevier B.V. or its licensors or contributors.
Uncontrolled Keywords : CFD, Metal powder, Gas atomization, Primary break-up, VOF, Modeling
Depositing User : Symplectic Elements
Date Deposited : 28 Mar 2017 10:59
Last Modified : 31 Oct 2017 18:15
URI: http://epubs.surrey.ac.uk/id/eprint/810582

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