Thermal hydraulic analysis compared with tests of full-scale concrete casks |
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Authors: | Masumi Wataru Hirofumi Takeda Koji Shirai Toshiari Saegusa |
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Affiliation: | aNuclear Fuel Cycle Backend Research Center, Civil Engineering Research Laboratory, Central Research Institute of Electric Power Industry, 1646 Abiko, Abiko-shi, 270-1194 Chiba-ken, Japan |
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Abstract: | To develop a thermal analysis method for the concrete cask, numerical calculation based on thermal hydraulic phenomena was performed. In the present calculation model, calculation area was divided into two parts. One is inside of the canister and the other is outside of the canister. These two parts were combined at the surface of the canister. In the model of the outside, k– turbulence model was adopted for air flow region. Comparing calculation results with test results, it was found that the analysis method was valid for normal and accident conditions of the storage. |
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