Structural characteristics of a gas–liquid flow in a microchannel with a T-shaped mixer

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Abstract

The results of experimental studies of the structural characteristics of a nitrogen–water mixture flow in a horizontal microchannel provided with a T-shaped mixer are presented. The experiments are performed in a channel with a rectangular cross section of 250 × 315 μm under the conditions of a dominating influence of capillary forces. Structural characteristics of the flow are determined using the two-beam laser scanning and high-speed video capture at a distance of 500 calibers from the inlet in a wide range of reduced gas- and liquid-flow rates. A new method for the identification of flow regimes is proposed based on the statistical treatment of the laser-scanning data, and a map of flow patterns is constructed.

Original languageEnglish
Pages (from-to)979-982
Number of pages4
JournalTechnical Physics Letters
Volume43
Issue number11
DOIs
Publication statusPublished - 1 Nov 2017

Keywords

  • 2-PHASE FLOW
  • RECTANGULAR MICROCHANNELS
  • PRESSURE
  • CHANNEL

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