A dynamic treatment of interfacial area concentration has been studied over the last decade by employing the interfacial area transport equation. When coupled with the two-fluid model, the interfacial area transport equation replaces the flow regime dependent correlations for interfacial area concentration and eliminates potential artificial bifurcation or numerical oscillations stemming from these static correlations. An extensive database has been established to evaluate the model under various two-phase flow conditions. These include adiabatic and heated conditions, vertical and horizontal flow orientations, round, rectangular, annulus, and rod-bundle channel geometries, and normal-gravity and reduced-gravity conditions. Currently, a two-group interfacial area transport equation is available and applicable to comprehensive two-phase flow conditions spanning from bubbly to churn-turbulent flow regimes. A framework to couple the two-group interfacial area transport equation with the modified two-fluid model is established in view of multiphase computational fluid dynamics code applications as well as reactor system analysis code applications. The present study reviews the current state-of-the-art in the development of the interfacial area transport equation, available experimental databases, and the analytical methods to incorporate the interfacial area transport equation into the two-fluid model.
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e-mail: ishii@purdue.edu
e-mail: skim@psu.edu
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March 2009
Research Papers
Interfacial Area Transport Equation and Implementation Into Two-Fluid Model
Mamoru Ishii,
Mamoru Ishii
School of Nuclear Engineering,
e-mail: ishii@purdue.edu
Purdue University
, 400 Central Drive, West Lafayette, IN 47907-2017
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Seungjin Kim,
Seungjin Kim
Department of Mechanical and Nuclear Engineering,
e-mail: skim@psu.edu
Pennsylvania State University
, 230 Reber Building, University Park, PA 16802
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Xiaodong Sun,
Xiaodong Sun
Department of Mechanical Engineering,
e-mail: sun.200@osu.edu
Ohio State University
, 201 West 19th Avenue, Columbus, OH 43210
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Takashi Hibiki
Takashi Hibiki
School of Nuclear Engineering,
e-mail: hibiki@purdue.edu
Purdue University
, 400 Central Drive, West Lafayette, IN 47907-2017
Search for other works by this author on:
Mamoru Ishii
School of Nuclear Engineering,
Purdue University
, 400 Central Drive, West Lafayette, IN 47907-2017e-mail: ishii@purdue.edu
Seungjin Kim
Department of Mechanical and Nuclear Engineering,
Pennsylvania State University
, 230 Reber Building, University Park, PA 16802e-mail: skim@psu.edu
Xiaodong Sun
Department of Mechanical Engineering,
Ohio State University
, 201 West 19th Avenue, Columbus, OH 43210e-mail: sun.200@osu.edu
Takashi Hibiki
School of Nuclear Engineering,
Purdue University
, 400 Central Drive, West Lafayette, IN 47907-2017e-mail: hibiki@purdue.edu
J. Thermal Sci. Eng. Appl. Mar 2009, 1(1): 011005 (7 pages)
Published Online: July 21, 2009
Article history
Received:
December 28, 2008
Revised:
February 10, 2009
Published:
July 21, 2009
Citation
Ishii, M., Kim, S., Sun, X., and Hibiki, T. (July 21, 2009). "Interfacial Area Transport Equation and Implementation Into Two-Fluid Model." ASME. J. Thermal Sci. Eng. Appl. March 2009; 1(1): 011005. https://doi.org/10.1115/1.3159525
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