GENERATION AND CONTROL OF INTERNAL FLOWS IN A SESSILE DROPLET BY SUBSTRATE OSCILLATION

Tianyi Zhang, Peng Zhou, Terrence W Simon, Tianhong Cui

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A simple and low-cost strategy to generate and control internal flows in a sessile droplet for particle and cell agglomeration in droplets is presented. The agglomeration is achieved by structured internal flows within the sessile droplet driven by an oscillating rigid substrate under certain vibration modes. In this work, oscillation of the substrate is experimentally measured, and its corresponding flow patterns are documented. The particles or cells in the sessile droplet are subsequently tracked using the different flow patterns with different flow intensities. The agglomeration capabilities and their dependence on flow characteristics are experimentally verified.

Original languageEnglish (US)
Title of host publication2022 Solid-State Sensors, Actuators and Microsystems Workshop, Hilton Head 2022
EditorsReza Ghodssi, Jenna F. Chan
PublisherTransducer Research Foundation
Pages360-363
Number of pages4
ISBN (Electronic)9781940470047
StatePublished - 2022
Event2022 Solid-State Sensors, Actuators and Microsystems Workshop, Hilton Head 2022 - Hilton Head, United States
Duration: Jun 5 2022Jun 9 2022

Publication series

Name2022 Solid-State Sensors, Actuators and Microsystems Workshop, Hilton Head 2022

Conference

Conference2022 Solid-State Sensors, Actuators and Microsystems Workshop, Hilton Head 2022
Country/TerritoryUnited States
CityHilton Head
Period6/5/226/9/22

Bibliographical note

Publisher Copyright:
© 2022 TRF.

Keywords

  • internal flow
  • mode shape
  • particle agglomeration
  • Sessile droplet

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