Particle Motion in a Two-dimensional Turbulent Mixing Layer

Akito Ando, Hiroaki Sadata, Koichi Hishida, Masanobu Maeda

研究成果: Article査読

1 被引用数 (Scopus)

抄録

The motion of small particles in turbulent mixing layer was experimentally studied in order to clarify the dominant factors on particle motion in turbulent gas flow. Spherical glass particles were loaded into the initial point of a two-dimensional air mixing layer. The laser-Doppler anemometry with particle size discrimination enabled to perform measurements of both particles and gas-phase velocities and also particle number density. The results show that the particle dispersion depends strongly on the stokes number, that is, the ratio of the particle relaxation time to the characteristic time scale of the large scale eddies in the mixing layer and overshoot phenomena were observed in the range of the stokes number of about 1.

本文言語English
ページ(範囲)2189-2197
ページ数9
ジャーナルNihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
56
528
DOI
出版ステータスPublished - 1990

ASJC Scopus subject areas

  • 凝縮系物理学
  • 機械工学

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