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https://hdl.handle.net/10356/92453
Title: | The ejecting lamella of impacting compound droplets | Authors: | Liu, Dongdong Tran, Tuan |
Keywords: | Multiphase Flows Spray Cooling Engineering::Mechanical engineering |
Issue Date: | 2019 | Source: | Liu, D., & Tran, T. (2019). The ejecting lamella of impacting compound droplets. Applied Physics Letters, 115(7), 073702-. doi:10.1063/1.5097370 | Series/Report no.: | Applied Physics Letters | Abstract: | Impacting dynamics of compound droplets consisting of oil and water–glycerol mixture transitions from spreading to splashing with an increasing volumetric oil-mixture ratio. The transition to splashing is directly related to the dynamics of the ejecting lamella upon impact. Here, we present a detailed study of the ejecting lamella at the early stage of the impact. We experimentally characterize the ejection velocity and time of the ejecting lamella for a wide range of impacting velocities, volumetric oil ratios, and viscosities of the mixture. We show that ejecting dynamics depends significantly on the volumetric oil-mixture ratio, while it is slightly affected by the viscosity of the mixture. We also propose and verify experimentally a predictive model for the ejection velocity and time of the lamella. | URI: | https://hdl.handle.net/10356/92453 http://hdl.handle.net/10220/49925 |
ISSN: | 0003-6951 | DOI: | 10.1063/1.5097370 | Schools: | School of Mechanical and Aerospace Engineering | Research Centres: | HP-NTU Digital Manufacturing Corporate Lab | Rights: | © 2019 The Author(s). All rights reserved. This paper was published by AIP Publishing in Applied Physics Letters and is made available with permission of The Author(s). | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
Appears in Collections: | MAE Journal Articles |
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File | Description | Size | Format | |
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The ejecting lamella of impacting compound droplets.pdf | 1.25 MB | Adobe PDF | View/Open |
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