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Koizumi, Yasuo*; Uesawa, Shinichiro; Ono, Ayako; Shibata, Mitsuhiko; Yoshida, Hiroyuki
Nihon Kikai Gakkai Netsu Kogaku Konfuarensu 2019 Koen Rombunshu (USB Flash Drive), 1 Pages, 2019/10
no abstracts in English
Terada, Atsuhiko; Yamagishi, Isao; Hino, Ryutaro
no journal, ,
At the decommissioning of the Fukushima Daiichi Nuclear Power Station, it is important to understand the moisture behavior remaining in the used adsorption vessel from the viewpoint of container soundness. In this study, using a two-dimensional drying code that adjusted the moisture transfer model based on the suction experiment by capillary pressure in the zeolite column, we performed trial calculation for model test and confirmed the duplicability improvement of experimental results such as the residual water level and drying rate. We report this result with preliminary calculation of the internal heating test using SARRY adsorption vessel.
Sakashita, Hiroto*; Kawakami, Taira*; Ono, Ayako; Yoshida, Hiroyuki
no journal, ,
This study measured the critical heat flux on a bottom surface for bottom and volume heated particulate beds, where small spherical metal particles were placed on a 75mm diameter heating surface and internally heated by induction heating. The data were obtained by varying the particle size and the volumetric heated rates in the particulate beds. The CHF on the bottom surface decreases with decreasing the particle size and is unaffected by the volumetric heated rates of the particulate beds. The previously proposed CHF correlations, which were derived based on the assumption that the CHF is triggered by hydrodynamic phenomena of liquid and vapor flows through the particulate beds, are not applicable to the CHF for bottom and volume heated particulate beds.