Numerical simulation of rarefied gas flows with specified heat flux boundary conditions

Jian-Ping Meng, Yonghao Zhang, Jason Reese

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)
117 Downloads (Pure)

Abstract

Our recently developed lattice Boltzmann model is used to simulate droplet dynamical behaviour governed by thermocapillary force in microchannels. One key research challenge for developing droplet-based microfluidic systems is control of droplet motion and its dynamic behaviour. We numerically demonstrate that the thermocapillary force can be exploited for microdroplet manipulations including synchronisation, sorting, and splitting. This work indicates that the lattice Boltzmann method provides a promising design simulation tool for developing complex droplet-based microfluidic devices.
Original languageEnglish
Pages (from-to)1185-1200
Number of pages16
JournalCommunications in Computational Physics
Volume17
Issue number5
DOIs
Publication statusPublished - May 2015

Keywords

  • thermal boundary condition
  • rarefied gas flow
  • S model
  • discrete velocity method
  • Boltzmann equation

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