Advanced modeling of multicomponent vaporization/condensation phenomena for a reactor safety analysis code SIMMER-III

Koji Morita, Tatsuya Matsumoto, Ryo Akasaka, Kenji Fukuda, Tohru Suzuki, Yoshiharu Tobita, Hidemasa Yamano, Satoru Kondo

研究成果: Contribution to conferencePaper

抜粋

It is believed that the numerical simulation of thermal-hydraulic phenomena of multiphase, multicomponent flows in a reactor core is essential to investigate core disruptive accidents (CDAs) of liquid-metal fast reactors. A new multicomponent vaporization/condensation (V/C) model was developed to provide a generalized model for a fast reactor safety analysis code SIMMER-III, which analyzes relatively short-time-scale phenomena relevant to accident sequences of CDAs. The model characterizes the V/C process associated with phase transition through heat-transfer and mass-diffusion limited models to follow the time evolution of the reactor core under CDA conditions. The heat-transfer limited model describes the nonequilibrium phase-transition processes occurring at interfaces, while the mass-diffusion limited model is employed to represent effects of noncondensable gases and multicomponent mixture on V/C processes. Verification of the model and method employed in the multicomponent V/C model of SIMMER-III was performed successfully by analyzing two series of condensation experiments.

元の言語英語
ページ351-358
ページ数8
DOI
出版物ステータス出版済み - 10 19 2002
イベント10th International Conference on Nuclear Engineering (ICONE 10) - Arlington, VA, 米国
継続期間: 4 14 20024 18 2002

その他

その他10th International Conference on Nuclear Engineering (ICONE 10)
米国
Arlington, VA
期間4/14/024/18/02

All Science Journal Classification (ASJC) codes

  • Nuclear Energy and Engineering

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  • これを引用

    Morita, K., Matsumoto, T., Akasaka, R., Fukuda, K., Suzuki, T., Tobita, Y., Yamano, H., & Kondo, S. (2002). Advanced modeling of multicomponent vaporization/condensation phenomena for a reactor safety analysis code SIMMER-III. 351-358. 論文発表場所 10th International Conference on Nuclear Engineering (ICONE 10), Arlington, VA, 米国. https://doi.org/10.1115/ICONE10-22229