Multiphase flow of miscible liquids: jets and drops Public Deposited

http://ir.library.oregonstate.edu/concern/articles/sx61dr621

This is an author's peer-reviewed final manuscript, as accepted by the publisher. The published article is copyrighted by Springer and can be found at:  http://www.springer.com/engineering/mechanics/journal/348

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  • Drops and jets of liquids that are miscible with the surrounding bulk liquid are present in many processes from cleaning surfaces with the aid of liquid soaps to the creation of biocompatible implants for drug delivery. Although the interactions of immiscible drops and jets show similarities to miscible systems, the small, transient interfacial tension associated with miscible systems create distinct outcomes such as intricate droplet shapes and breakup resistant jets. Experiments have been conducted to understand several basic multiphase flow problems involving miscible liquids. Using high-speed imaging of the morphological evolution of the flows, we have been able to show that these processes are controlled by interfacial tensions. Further multiphase flows include investigating miscible jets, which allow the creation of fibers from inelastic materials that are otherwise difficult to process due to capillary breakup. This work shows that stabilization from the diminishing interfacial tensions of the miscible jets allow various elongated morphologies to be formed.
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  • Walker, T. W., Logia, A. N., & Fuller, G. G. (2015). Multiphase flow of miscible liquids: jets and drops. Experiments in Fluids, 56(5), 106. doi:10.1007/s00348-015-1974-y
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