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Sakurada, Keishi*; Kawakami, Taira*; Sakashita, Hiroto*; Ono, Ayako; Yoshida, Hiroyuki
no journal, ,
This study measured the dryout heat fluxes for bottom heated debris beds, where small spherical particles were placed on a 75mm diameter heating surface. The data were obtained by varying the particle size in the range of 3 to 10mm, and compared with the predicted results with the one dimensional model proposed by Lipinski.
Sakurada, Keishi*; Kawakami, Taira*; Sakashita, Hiroto*; Ono, Ayako; Yoshida, Hiroyuki
no journal, ,
This study measured the dryout heat fluxes on a bottom surface for bottom and volume heated debris beds, where small spherical metal particles were placed on a 75 mm diameter heating surface and internally heated by induction heating. The data were obtained by varying the particle size and the volumetric heated rate, and compared with the available correlations.
Kawakami, Taira*; Sakurada, Keishi*; Sakashita, Hiroto*; Ono, Ayako; Yoshida, Hiroyuki
no journal, ,
The effect of height and density of accumulated particles on the critical heat flux was investigated on the heating surface, where the particles were accumulated, in order to investigate the cooling process of debris under the severe accident. The thermal-hydraulic behavior on the heating surface was visualized from the backsides of heating surface made of glass.