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Thermal Actuation of Bi-Phase Droplets

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Dynamic and Stimuli-Responsive Multi-Phase Emulsion Droplets for Optical Components

Part of the book series: Springer Theses ((Springer Theses))

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Abstract

The previous chapters discussed how multi-phase droplets interact with light, in particular how the droplets control light. This chapter focuses instead on how light, or the heat produced by the absorption of light, can control droplets. Experimentally, these multi-phase droplets can be manipulated (rotation and some translation) with relatively low temperature gradients induced by a focused near-infrared laser in an aqueous medium. The motion of the droplets can be attributed to thermal Marangoni flows within the droplets, due to the local heating from the focused laser.

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Authors and Affiliations

  1. Massachusetts Institute of Technology, Department of Mechanical Engineering, Cambridge, MA, USA

    Sara Nagelberg

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  1. Sara Nagelberg
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Nagelberg, S. (2020). Thermal Actuation of Bi-Phase Droplets. In: Dynamic and Stimuli-Responsive Multi-Phase Emulsion Droplets for Optical Components. Springer Theses. Springer, Cham. https://doi.org/10.1007/978-3-030-53460-8_5

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