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Insight into morphology changes of nanoparticle laden droplets in acoustic field

Basu, Saptarshi and Tijerino, Erick and Kumar, Ranganathan (2013) Insight into morphology changes of nanoparticle laden droplets in acoustic field. In: Applied Physics Letters, 102 (14). 141602_1-141602_5.

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Official URL: http://dx.doi.org/10.1063/1.4801502

Abstract

Hollow structures with unique morphologies form due to particle agglomeration in acoustically levitated nanofluid functional droplets when subjected to external heating. The final diameter of the structure depends only on the ratio of agglomeration to evaporation time scales for various nanoparticle laden droplets, and not on the type of the suspended particles. These time scales depend only on nanoparticle concentration. This valuable information may be exploited to form microstructures with desired properties from ceramic compounds. Phase diagrams for alumina and silica droplets indicate the transition from a bowl to ring structure depending on concentration.

Item Type: Journal Article
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Additional Information: Copyright of this article belongs to American Institute of Physics.
Department/Centre: Others
Date Deposited: 26 Jun 2013 10:06
Last Modified: 26 Jun 2013 10:06
URI: http://eprints.iisc.ernet.in/id/eprint/46758

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