Deposition of micron liquid droplets on wall in impinging turbulent air jet
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Author(s)
Liu, Tianshu
Nink, Jacob
Merati, Parviz
Tian, Tian
Li, Yong
Shieh, Tom
Date Issued
December 2009
Journal
Experiments in Fluids
Publisher
Springer Science + Business Media B.V.
Citation
Liu, Tianshu et al. “Deposition of Micron Liquid Droplets on Wall in Impinging Turbulent Air Jet.” Experiments in Fluids 48.6 (2009) : 1037-1057.
Version
Author's final manuscript
Abstract
The fluid mechanics of the deposition of micron liquid (olive oil) droplets on a glass wall in an impinging turbulent air jet is studied experimentally. The spatial patterns of droplets deposited on a wall are measured by using luminescent oil visualization technique, and the statistical data of deposited droplets are obtained through microscopic imagery. Two distinct rings of droplets deposited on a wall are found, and the mechanisms of the formation of the inner and outer rings are investigated based on global diagnostics of velocity and skin friction fields. In particular, the intriguing effects of turbulence, including large-scale coherent vortices and small-scale random turbulence, on micron droplet deposition on a wall and coalescence in the air are explored.
MIT Department
Massachusetts Institute of Technology. Department of Mechanical Engineering
Sloan Automotive Laboratory
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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DOI of Published Version
https://doi.org/10.1007/s00348-009-0790-7
