Heat transfer coefficients of steam condensation on containment vessel wall during blowdown.

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概要

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• Heat transfer coefficients of steam condensation on the containment vessel wall at a LOCA are studied. As to the steady state heat transfer coefficients, though Sagawa's data are a little smaller than Uchida's data, they are very close to the analytical solutions by Mori-Hijikata. Transient heat transfer coefficients are represented by the steady state heat transfer coefficients multiplied by a factor. The factor expresses the agitation effect weaken-ing with time during blowdown. Values of parameters in the factor are determined so as the heat transfer coefficients to fit Sagawa's data. These heat transfer coefficients are ap-plied to the analyses of the experiment with the simulation apparatus of an integrated type marine water reactor. Values of the parameters are also determined so that the tempera-ture transients on the containment vessel wall by analyses fit them of experiment. The differences of the values of parameters by the analyses and by Sagawa's data are discussed.

• 一般社団法人 日本原子力学会の論文

著者

• AYA Izuo

  Nuclear Ship Division, Shit. Research Institute

関連論文

• Heat transfer coefficients of steam condensation on containment vessel wall during blowdown.

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