Numerical simulation code for predicting void distribution in two-phase turbulent flow in a subchannel was developed. The purpose is to obtain a profile of void distribution in the subchannel. The result will be used for predicting a heat flux at departure from nucleate boiling in a rod-bundle for the pressurized water reactor (PWR). The fundamental equations were represented by a generalized transport equation and the transport equation was transformed onto the generalized coordinate system fitted to the rod surface and the symmetric lines in the subchannel. Using the finite-volume method the transport equation was discretized for the SIMPLE algorithm. The flow field and void fraction at the steady-state were calculated for different average void fractions. The computational result for atmospheric pressure condition was successfully compared with experimental data. Sensitivity analysis for the PWR condition was performed, and the result showed that the secondary flow slightly contributed to homogenizing the void distribution.
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November 2010
Research Papers
Numerical Prediction of Void Distribution in Two-Phase Turbulent Flow in a Subchannel
Tsutomu Ikeno,
Tsutomu Ikeno
Nuclear Fuel Industries, Ltd.
, Kumatori, Osaka 590-0481, Japan
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Tatsuya Sasakawa,
Tatsuya Sasakawa
Nuclear Fuel Industries, Ltd.
, Kumatori, Osaka 590-0481, Japan
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Isao Kataoka
Isao Kataoka
Osaka University
, Suita, Osaka 565-0871, Japan
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Tsutomu Ikeno
Nuclear Fuel Industries, Ltd.
, Kumatori, Osaka 590-0481, Japan
Tatsuya Sasakawa
Nuclear Fuel Industries, Ltd.
, Kumatori, Osaka 590-0481, Japan
Isao Kataoka
Osaka University
, Suita, Osaka 565-0871, JapanJ. Eng. Gas Turbines Power. Nov 2010, 132(11): 112901 (7 pages)
Published Online: August 12, 2010
Article history
Received:
July 22, 2009
Revised:
July 28, 2009
Online:
August 12, 2010
Published:
August 12, 2010
Citation
Ikeno, T., Sasakawa, T., and Kataoka, I. (August 12, 2010). "Numerical Prediction of Void Distribution in Two-Phase Turbulent Flow in a Subchannel." ASME. J. Eng. Gas Turbines Power. November 2010; 132(11): 112901. https://doi.org/10.1115/1.4001055
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