Bubble Attachment to Sliding Gate and Related Liquid Flow

• MAEDA Daisuke

  北海道大学大学院生

• IGUCHI Manabu

  北海道大学大学院工学研究科

Bibliographic Information

Other Title

• スライディングゲートへの気泡付着と液流速
• スライディングゲート エ ノ キホウ フチャク ト エキ リュウソク

Abstract

A model investigation has been carried out on argon bubble attachment to the sliding gate settled in the immersion nozzle of continuous casting process. Water and air are used as the model fluids for molten steel and argon gas, respectively. A downward air-water two-phase flow is generated in the immersion nozzle. The wettability of the sliding gate is changed by coating fluororesin on it. Bubbles attach preferably to the poorly wetted sliding gate. The velocity of water flow is measured with particle image velocimetry (PIV). Bubble attachment patterns can be classified into eight categories. An empirical equation is proposed for the critical condition describing the bubble attachment. The flow in the immersion nozzle is affected strongly by bubble attachment to the sliding gate.

Journal

• Journal of the Japanese Society for Experimental Mechanics

  Journal of the Japanese Society for Experimental Mechanics 6 (3), 308-314, 2006

  The Japanese Society for Experimental Mechanics

Keywords

• Wettability
• Immersion nozzle
• Sliding gate
• Bubble
• PIV

Details

• CRID: 1390282680167295360
• NII Article ID: 10018779842
• NII Book ID: AA11822914
• DOI: 10.11395/jjsem.6.308
• ISSN: 18844219
• ISSN: 13464930
• NDL BIB ID: 8524493
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I8524493
• Text Lang: ja
• Data Source:
  • JaLC
  • NDL
  • CiNii Articles
  • KAKEN
• Abstract License Flag: Disallowed