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A coupled Euler-Lagrange CFD modelling of droplets-to-film

Adeniyi, Akinola A.; Morvan, Hervé P.; Simmons, Kathy A.

Authors

Akinola A. Adeniyi

Hervé P. Morvan



Abstract

In this paper, a droplet to film interaction model technique is presented. In the proposed approach, the liquid and gas continua are modelled using an enhanced Volume of Fluid (VoF) technique while the droplets are tracked using a Lagrangian framework and are coupled to the Eulerian phases using source terms. The eventual target application is an aeroengine bearing chamber in which oil is found as droplets, shed from the bearings, splashing on impact, separated from wall surfaces at obstacles or simply re-entrained, and as a continuum oil film coating the bearing chamber outer walls which it also cools. In finite volume CFD techniques, a prohibitively large number of cells would be required to describe the details of the droplet impact phenomenon. Based on published correlations, the splashing droplets are created and tracked as Lagrangian particles. The flowing film and the gas continua are handled with an enhanced Volume of Fluid technique.

Citation

Adeniyi, A. A., Morvan, H. P., & Simmons, K. A. (in press). A coupled Euler-Lagrange CFD modelling of droplets-to-film. Aeronautical Journal, 121(1246), https://doi.org/10.1017/aer.2017.107

Journal Article Type Article
Acceptance Date Sep 7, 2017
Online Publication Date Oct 13, 2017
Deposit Date Sep 11, 2017
Publicly Available Date Oct 13, 2017
Journal Aeronautical Journal
Print ISSN 0001-9240
Electronic ISSN 2059-6464
Publisher Cambridge University Press (CUP)
Peer Reviewed Peer Reviewed
Volume 121
Issue 1246
DOI https://doi.org/10.1017/aer.2017.107
Public URL http://eprints.nottingham.ac.uk/id/eprint/45684
Publisher URL https://www.cambridge.org/core/journals/aeronautical-journal/article/coupled-eulerlagrange-cfd-modelling-of-dropletstofilm/5F944CB7F5BEDF23F252771CFC2C0040
Copyright Statement Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf





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