Experimental Study on Interfacial Area Transport in Vertical Upward Bubbly Two-Phase Flow in an Annulus
Hibiki, Takashi, Situ, Rong, Mi, Ye, & Ishii, Mamoru (2003) Experimental Study on Interfacial Area Transport in Vertical Upward Bubbly Two-Phase Flow in an Annulus. International Journal of Heat and Mass Transfer, 46(3), pp. 427-441.
Forced convection subcooled water boiling experiments were conducted in a vertical annular channel. A high-speed digital video camera was applied to record the dynamics of the subcooled boiling process. The flow visualization results show that the bubble departure frequency generally increases as the heat flux increases. For some cases, the departure frequency may reach a limit around 1000 bubbles/second. In addition, bubble lift-off diameter, bubble growth rate and bubble velocity after bubble lift-off were determined by analyzing the images. The experimental data obtained from this study can be used in modeling the bubble departure frequency, bubble lift-off diameter, and bubble dynamics in forced convection subcooled boiling.
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|Item Type:||Journal Article|
|Keywords:||Interfacial area transport, Two, fluid model, Void fraction, Interfacial area concentration, Double, sensor conductivity probe, Gas–liquid bubbly flow, Multiphase flow|
|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 2003 Elsevier|
|Copyright Statement:||Reproduced in accordance with the copyright policy of the publisher|
|Deposited On:||25 Oct 2007 00:00|
|Last Modified:||10 Aug 2011 14:52|
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