Expansion of injected gas bubble and its effects on bath mixing under reduced pressure

Teruhisa Tatsuoka*, Chizuna Kamata, Kimihisa Ito

*この研究の対応する著者

研究成果: Article査読

12 被引用数 (Scopus)

抄録

The behavior of a single bubble was observed and the complete mixing time was measured under reduced pressure ( ∼ 1.33 × 102 Pa (1 Torr)) using a silicon oil model. The bubble expanded greatly and changed from oval to a spherical-cup shape. The complete mixing time tended to be constant independent of the stirring power of gas per unit bath volume in the low vessel pressure range ( < 6.66 × 102Pa), because most of the expansion energy was dissipated and the mixing occurred near the bath surface; this was confirmed by observation of the flow.

本文言語English
ページ(範囲)557-561
ページ数5
ジャーナルisij international
37
6
DOI
出版ステータスPublished - 1997

ASJC Scopus subject areas

  • 材料力学
  • 機械工学
  • 金属および合金
  • 材料化学

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