Flow structure of subcooled boiling flow in an internally heated annulus

Situ, Rong, Hibiki, Takashi, Sun, Xiaodong, Mi, Ye, & Ishii, Mamoru (2004) Flow structure of subcooled boiling flow in an internally heated annulus. International Journal of Heat and Mass Transfer, 47(24), pp. 5351-5364.

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Local measurements of flow parameters were performed for vertical upward subcooled boiling flows in an internally heated annulus. The annulus channel consisted of an inner heater rod with a diameter of 19.1 mm and an outer round pipe with an inner diameter of 38.1 mm, and the hydraulic equivalent diameter was 19.1 mm. The double-sensor conductivity probe method was used for measuring local void fraction, interfacial area concentration, and interfacial velocity. A total of 11 data were acquired consisting of four inlet liquid velocities, 0.500, 0.664, 0.987 and1.22 m/s and two inlet liquid temperatures, 95.0 and 98.0 degrees Celsius. The constitutive equations for distribution parameter and drift velocity in the drift-flux model, and the semi-theoretical correlation for Sauter mean diameter, namely, interfacial area concentration, which were proposed previously, were validated by local flow parameters obtained in the experiment.

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27 citations in Web of Science®
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ID Code: 10337
Item Type: Journal Article
Refereed: Yes
Keywords: Void fraction, Interfacial area concentration, Drift, flux model, Subcooled boiling flow, Multiphase flow, Internally heated annulus
DOI: 10.1016/j.ijheatmasstransfer.2004.06.035
ISSN: 0017-9310
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 2004 Elsevier
Copyright Statement: Reproduced in accordance with the copyright policy of the publisher.
Deposited On: 23 Oct 2007 00:00
Last Modified: 10 Aug 2011 14:52

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