Exploiting the transient behavior of thermocapillary convection flows to enhance non-contact mesoscale manipulation

Johan Quispe; Elvin Muñoz; Emir Vela

doi:10.1063/1.4963159

Exploiting the transient behavior of thermocapillary convection flows to enhance non-contact mesoscale manipulation

Johan Quispe, Elvin Muñoz, Emir Vela

Department of Electrical and Mechatronics Engineering

Research output: Contribution to journal › Article › peer-review

10 Scopus citations

Abstract

In this work it is demonstrated that the manipulation of the mesoscale-sized particles through Marangoni flows occurs during the transient regime of the convection cell evolution. By exploiting this fact, it was possible to selectively separate a single glass bead out of a group of other beads ranging from 150 to 212 μm. This task was accomplished by controlling the Marangoni convection cell growth. The growth was controlled by varying the pulse width of an infrared laser beam that acts as a thermal source. Thus, extending the use of the Marangoni flows for single particles sorting or manipulation.

Original language	English
Article number	124102
Journal	Applied Physics Letters
Volume	109
Issue number	12
DOIs	https://doi.org/10.1063/1.4963159
State	Published - 19 Sep 2016

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abstract = "In this work it is demonstrated that the manipulation of the mesoscale-sized particles through Marangoni flows occurs during the transient regime of the convection cell evolution. By exploiting this fact, it was possible to selectively separate a single glass bead out of a group of other beads ranging from 150 to 212 μm. This task was accomplished by controlling the Marangoni convection cell growth. The growth was controlled by varying the pulse width of an infrared laser beam that acts as a thermal source. Thus, extending the use of the Marangoni flows for single particles sorting or manipulation.",

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N2 - In this work it is demonstrated that the manipulation of the mesoscale-sized particles through Marangoni flows occurs during the transient regime of the convection cell evolution. By exploiting this fact, it was possible to selectively separate a single glass bead out of a group of other beads ranging from 150 to 212 μm. This task was accomplished by controlling the Marangoni convection cell growth. The growth was controlled by varying the pulse width of an infrared laser beam that acts as a thermal source. Thus, extending the use of the Marangoni flows for single particles sorting or manipulation.

AB - In this work it is demonstrated that the manipulation of the mesoscale-sized particles through Marangoni flows occurs during the transient regime of the convection cell evolution. By exploiting this fact, it was possible to selectively separate a single glass bead out of a group of other beads ranging from 150 to 212 μm. This task was accomplished by controlling the Marangoni convection cell growth. The growth was controlled by varying the pulse width of an infrared laser beam that acts as a thermal source. Thus, extending the use of the Marangoni flows for single particles sorting or manipulation.

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Exploiting the transient behavior of thermocapillary convection flows to enhance non-contact mesoscale manipulation

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