Features of water droplet deformation during motion in a gaseous medium under conditions of moderate and high temperatures

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Abstract

Using cross-correlation video recording facilities, the features of deformation of water droplets with characteristic dimensions of 3–6 mm are studied experimentally during their motion in a high temperature (about 1100 K) gaseous medium (in combustion products) with velocities of up to 5 m/s. In addition, experiments for water droplets moving with identical initial velocities and dimensions in air at moderate (about 300 K) air temperatures are carried out. Typical shapes of droplets and cyclical character of their variation during motion in the considered gaseous media are established. The numerical values of the main characteristics of the isolated “deformation cycles” (amplitude, times, and durations) are determined, and their susceptibility to high temperatures of the gaseous medium, droplet dimensions, and droplet motion velocities is revealed.

Original languageEnglish
Pages (from-to)722-730
Number of pages9
JournalHigh Temperature
Volume54
Issue number5
DOIs
Publication statusPublished - 1 Sep 2016

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Engineering(all)

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