Bubble Formation Frequency at a Single-hole Nozzle Immersed in a Mercury Bath

• IGUCHI Manabu

  Graduate School of Engineering, Hokkaido University

• CHIHARA Tomoyuki

  Daido Special Steel Co. Ltd.

• TSUJINO Ryoji

  Faculty of Engineering, Setsunan University

• SASAKI Yasushi

  Graduate School of Engineering, Tohoku University

• NISHIHARA Kazuyoshi

  Graduate School of Engineering, Osaka Electro-Communication University

• MATSUI Goichi

  School of BOST, Kinki University

Abstract

Bubble formation from a centered single-hole nozzle placed on the bottom of a mercury bath has been investigated using an electroresistivity probe. The nozzle is made of brass and its surface is coated with fluororesin. Accordingly, the nozzle is poorly wetted by mercury. When the gas flow rate is lower than a certain critical value, the frequency of bubble formation is specified by the outer diameter of nozzle, d_no. On the other hand, when the gas flow rate is raised above another critical value, the inner diameter of nozzle, d_ni, governs the bubble formation. Empirical equations are proposed for the two critical gas flow rates. Bubble formation is affected by d_no and d_ni in the regime between the two critical gas flow rate values.

Journal

• Journal of the Japanese Society for Experimental Mechanics

  Journal of the Japanese Society for Experimental Mechanics 8 (Special_Issue), s115-s119, 2008

  The Japanese Society for Experimental Mechanics

Keywords

• Bubble
• Electroresistivity Probe
• Refining
• Mercury
• Molten metal

Details

• CRID: 1390282680166833152
• NII Article ID: 10021156153
• NII Book ID: AA11822914
• DOI: 10.11395/jjsem.8.s115
• ISSN: 18844219
• ISSN: 13464930
• NDL BIB ID: 9568233
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I9568233
• Text Lang: en
• Data Source:
  • JaLC
  • NDL
  • CiNii Articles
• Abstract License Flag: Disallowed