Research Article
Source Term Derivation and Radioactive Release Evaluation for JRTR Research Reactor under Severe Accident
Table 3
Source term selected radionuclide inventory and activity release.
| | Radionuclide | Group | Half-life (t1/2) (ref.) | Core inventory (TBq) | Release fraction | Activity released (TBq) |
| | kr83m | Noble gas | 1.83 h | 7.97E + 02 | 1.00 | 7.97E + 02 | | kr85 | Noble gas | 10.756 y | 3.49E + 01 | 1.00 | 3.49E + 01 | | kr85m | Noble gas | 10.776 y | 1.84E + 03 | 1.00 | 1.84E + 03 | | kr87 | Noble gas | 76.3 m | 3.71E + 03 | 1.00 | 3.71E + 03 | | kr88 | Noble gas | 2.84 h | 5.06E + 03 | 1.00 | 5.06E + 03 | | kr89 | Noble gas | 3.15 m | 6.44E + 03 | 1.00 | 6.44E + 03 | | xe131m | Noble gas | 11.934 d | 5.39E + 01 | 1.00 | 5.39E + 01 | | xe133 | Noble gas | 5.2475 d | 9.91E + 03 | 1.00 | 9.91E + 03 | | xe135 | Noble gas | 9.14 h | 2.86E + 03 | 1.00 | 2.86E + 03 | | Xe135m | Noble gas | 15.29 m | 1.91E + 03 | 1.00 | 1.91E + 03 | | Xe137 | Noble gas | 3.818 m | 9.53E + 03 | 1.00 | 9.53E + 03 | | Xe138 | Noble gas | 14.08 m | 9.61E + 03 | 1.00 | 9.61E + 03 | | i130 | Halogen | 12.36 h | 3.57E + 01 | 0.40 | 1.43E + 01 | | i131 | Halogen | 8.02070 d | 4.64E + 03 | 0.40 | 1.86E + 03 | | i132 | Halogen | 2.295 h | 6.93E +03 | 0.40 | 2.77E + 03 | | i133 | Halogen | 20.8 h | 1.05E +04 | 0.40 | 4.18E + 03 | | i134 | Halogen | 52.5 m | 1.21E +04 | 0.40 | 4.84E + 03 | | i135 | Halogen | 6.57 h | 9.83E +03 | 0.40 | 3.93E + 03 | | Br84 | Halogen | 31.80 m | 1.53E +03 | 0.40 | 6.13E + 02 | | Cs134 | Alkali metal | 2.0648 y | 2.62E +02 | 0.30 | 7.87E + 01 | | Cs134m | Alkali metal | 2.903 h | 1.01E +02 | 0.30 | 3.03E + 01 | | Cs136 | Alkali metal | 13.16 d | 1.23E +02 | 0.30 | 3.68E + 01 | | Cs137 | Alkali metal | 30.07 y | 2.88E +02 | 0.30 | 8.64E + 01 | | Cs138 | Alkali metal | 33.41 m | 1.03E +04 | 0.30 | 3.09E + 03 | | Cs139 | Alkali metal | 9.27 m | 9.71E +03 | 0.30 | 2.91E + 03 | | Rb88 | Alkali metal | 17.78 m | 5.11E +03 | 0.30 | 1.53E + 03 | | Rb89 | Alkali metal | 15.15 m | 6.76E +03 | 0.30 | 2.03E + 03 | | Ba139 | Alkaline earths | 83.06 m | 9.84E + 03 | 0.02 | 1.97E + 02 | | Ba140 | Alkaline earths | 12.752 d | 9.40E + 03 | 0.02 | 1.88E + 02 | | Ba141 | Alkaline earths | 18.27 m | 8.92E + 03 | 0.02 | 1.78E + 02 | | sr89 | Alkaline earths | 50.53 d | 6.13E + 03 | 0.02 | 1.23E + 02 | | sr90 | Alkaline earths | 28.79 y | 2.69E + 02 | 0.02 | 5.39E + 00 | | sr91 | Alkaline earths | 9.63 h | 8.47E + 03 | 0.02 | 1.69E + 02 | | sr92 | Alkaline earths | 2.71 h | 8.68E + 03 | 0.02 | 1.74E + 02 | | sb131 | Tellurium group | 23.03 m | 3.99E + 03 | 0.05 | 2.00E + 02 | | te127 | Tellurium group | 9.35 h | 2.85E + 02 | 0.05 | 1.42E + 01 | | te127m | Tellurium group | 109 d | 4.01E + 01 | 0.05 | 2.00E + 00 | | te129 | Tellurium group | 69.6 m | 9.13E + 02 | 0.05 | 4.57E + 01 | | te129m | Tellurium group | 33.6 d | 1.63E + 02 | 0.05 | 8.16E + 00 | | te131 | Tellurium group | 25.0 m | 4.08E + 03 | 0.05 | 2.04E + 02 | | te131m | Tellurium group | 30 h | 7.19E + 02 | 0.05 | 3.60E + 01 | | te132 | Tellurium group | 3.204 d | 6.85E + 03 | 0.05 | 3.43E + 02 | | te133m | Tellurium group | 55.4 m | 5.21E + 03 | 0.05 | 2.61E + 02 | | te134 | Tellurium group | 41.8 m | 1.05E + 04 | 0.05 | 5.26E + 02 | | Mo99 | Noble metal | 65.94 h | 9.59E + 03 | 0.0025 | 2.40E + 01 | | rh105 | Noble metal | 35.36 h | 2.16E + 03 | 0.0025 | 5.39E + 00 | | ru103 | Noble metal | 39.26 d | 4.97E + 03 | 0.0025 | 1.24E + 01 | | ru105 | Noble metal | 4.44 h | 2.39E + 03 | 0.0025 | 5.98E + 00 | | tc99m | Noble metal | 6.01 h | 8.51E + 03 | 0.0025 | 2.13E + 01 | | Np239 | Cerium group | 2.3565 d | 2.96E + 04 | 0.0005 | 1.48E + 01 |
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