Photographic Study of Bubble Behaviors in Subcooled Boiling

Situ, Rong, Mi, Ye, Ishii, Mamoru, & Mori, Michitsugu (2001) Photographic Study of Bubble Behaviors in Subcooled Boiling. In Panchal, C.B. & Bergman, T. (Eds.) 35th National Heat Transfer Conference, 10-12th June, 2001, Anaheim, California, USA.

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Forced convection subcooled water boiling experiments are conducted on a vertical-upward annular channel. A high-speed digital video camera (5,000 frames/second) is used to record the dynamics of the subcooled ebullition process. The flow visualization experiments show that generally the bubble departure frequency increases as the heat flux increases. For some cases, the frequency may reach a limit around 1000 bubbles/second. The average bubble lift-off diameter becomes smaller as the heat flux increases. In addition, the bubble diameter growth and bubble velocity after bubble lift-off is determined by analyzing the image. The experimental data obtained from this study can be used in modeling of the bubble departure frequency, bubble lift-off diameter, and bubble dynamics in subcooled boiling.

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ID Code: 10340
Item Type: Conference Paper
Refereed: Yes
Additional Information: Self-archiving of the author-version is not yet supported by this publisher.
For more information, please refer to the journal’s website (see hypertext link) or contact the author.
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Keywords: Bubble, Photographic Study, Subcooled boiling, Two, Phase Flow
ISBN: 0791835278
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300) > Mechanical Engineering not elsewhere classified (091399)
Australian and New Zealand Standard Research Classification > PHYSICAL SCIENCES (020000) > CLASSICAL PHYSICS (020300) > Fluid Physics (020303)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > INTERDISCIPLINARY ENGINEERING (091500) > Heat and Mass Transfer Operations (091505)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Copyright Owner: Copyright 2001 ASME
Deposited On: 23 Oct 2007 00:00
Last Modified: 10 Aug 2011 16:19

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