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Contributions of Jyväskylä and Idaho TAGS to FP Decay-Heat Calculations: Their Complementarity and Problems Left Tadashi Yoshida Tokyo Institute of Technology.

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Presentation on theme: "Contributions of Jyväskylä and Idaho TAGS to FP Decay-Heat Calculations: Their Complementarity and Problems Left Tadashi Yoshida Tokyo Institute of Technology."— Presentation transcript:

1 Contributions of Jyväskylä and Idaho TAGS to FP Decay-Heat Calculations: Their Complementarity and Problems Left Tadashi Yoshida Tokyo Institute of Technology IAEA/NDS TAGS Meeting Vienna, Dec. 15-17, 2014

2 1) Fission Yields: JEFF-3.1 2) Decay Chains and Branchings: JEFF-3.1 3) Decay Energies : JEFF-3.1 being assumed to be approximately equivalent to ENSDF Following calculations performed based on data files below along with the Jyväskylä & Idaho TAGS Data (E  and E  ) Aggregate FP Decay-Heat Calculations

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13 Define Pandemonity Index Note: Calculations hereafter were carried out based on JENDL FP Decay & Yield Data File 2011

14 Fig. The top 30 FPs Contributing to U235 Decay Heat at 5 min Cooling after a Fission Green: Idaho TAGS Blue: Jyvaskyla TAGS Brown: On Request List in INDC(NDA)- 0551

15 From T.Arai, T.Yoshida, Proc. Nucl. Data Symp. 2010, JAEA-Conf 2011-002, pp.193 - 197

16 Nuclide Q-Value (MeV) P-Index Fractional Contribution (%) Cooling Time Half-LifeComment Sb-1334.000.3135 min2.34 min Nb-99m4.000.2625 min2.6 min  - : 98% Tc-1032.660.6015 min54.2 s I-1344.050.16101 hour52.5 min Sb-1304.960.3121 hour39.5 min Y-932.890.15101 day10.2 hr Fig. Important FP Nuclides with Large P-Index Contributing at Long Cooling Time after a U-235 Burst Fission (Complemental to the Previous Slide)

17 600 s

18 NuclideZA Gamma DH (Mev/Fiss.) Fractional Contribution( %) Cumulative Fraction (%) Half-Life Q-Value (MeV) P-FactorEtot/EgComment Sr-9338939.19E-0512 1.3 Rb-8937896.51E-05820 1.5 Kr-8936894.24E-055263.15 m5.180.091.7 Rb-90m37904.09E-05531 1.4 Y-9539953.88E-05536 2.3 Rb-9037903.77E-05541 1.9 Ba-142561423.62E-05545 1.4 Xe-138541382.63E-0534914.1 m2.770.091.6 Ba-141561412.58E-05352 2.0 Mo-101421012.43E-0535514.6 m2.810.081.3 Blachot 1991 Y-9439942.36E-05358 3.4 Cs-138551382.00E-05361 1.5 Tc-102431021.63E-05263 2.2 Ce-145581451.53E-05265 1.5 Sb-131511311.48E-0526723.0 m3.220.171.3 I-134531341.40E-0526852.5 m4.180.161.2 Te-133521331.32E-0527012.5 m2.940.0021.6 Cs-139551391.25E-05272 5.7 Sb-130m511301.15E-051736.3 m4.960.311.4beta 100% Te-133m521331.06E-0517455.4 m3.280.071.2 Tc-104431041.05E-05176 1.6 La-142571429.89E-06177 1.4 Y-93m39939.67E-061780.82 s0.76 inapplicabl e 1.1I.T. 100% Nb-99m41998.87E-061792.6 m4.000.261.7beta 98% Sb-130511308.51E-0618039.5 m4.960.101.2 Sn-129m501298.41E-061826.9 m4.060.191.4beta 100% Sb-132511328.13E-06183 1.5 Br-8435848.05E-0618431.5 m4.630.101.7 La-143571437.77E-06185 5.6 Sb-132m511327.52E-061864.10 m5.510.401.5beta 100% Fig. The top 30 FPs Contributing to U233 Gamma DH at 10 min after a Fission Burst Green: Idaho TAGS Blue: Jyvaskyla TAGS Brown: On Request List in INDC(NDA)-0551

19 600 s

20 NuclideZA Gamma DH (Mev/Fiss.) Fractional Contribution (%) Cumulative Fraction (%) Half-Life Q-Value (MeV) P-FactorEtot/EgComment Sr-9338938.60E-0510 1.3 Rb-8937895.04E-05617 1.5 Y-9539954.22E-05522 2.3 Rb-9037903.98E-05527 1.9 Mo-101421013.82E-0553114.6 m2.810.081.3 Kr-8936893.62E-054363.15 m5.180.091.7 Xe-138541383.61E-0544014.1 m2.770.091.6 Ba-142561423.41E-05444 1.4 Tc-102431022.83E-05348 2.2 Rb-90m37902.39E-05351 1.4 Ba-141561412.35E-05353 2.0 Y-9439942.23E-05356 3.4 Te-133521332.22E-0535912.5 m2.940.0021.6 Cs-138551381.99E-05261 1.5 Sb-133511331.88E-052642.34 m4.000.311.2 Tc-104431041.87E-05266 1.6 Sb-131511311.85E-0526823.0 m3.220.171.3 Ce-145581451.82E-05270 1.5 Sb-132511321.82E-052732.79 m5.510.351.5 Te-134521341.41E-05274 1.3 Cs-139551391.38E-05276 5.7 Sb-130m511301.29E-052786.3 m4.960.311.4 Sb-132m511321.28E-052794.10 m5.510.401.5 Te-133m521331.14E-0518055.4 m3.280.071.2 Nb-99m41991.13E-051822.6 m4.000.261.7 I-134531349.59E-0618352.5 m4.180.161.2 Y-93m39939.04E-061840.82 m0.76 inapplicabl e 1.1 IT, 95Sr:7.4m Sb-130511308.75E-0618539.5 m4.960.101.2 La-142571428.25E-06186 1.4 La-143571437.90E-06187 5.6 Fig. The top 30 FPs Contributing to U235 Gamma DH at 10 min after a Fission Burst Green: Idaho TAGS Blue: Jyvaskyla TAGS Brown: On Request List in INDC(NDA)- 0551

21 600 s

22 NuclideZA Gamma DH (Mev/Fiss.) Fractional Contribution( %) Cumulative Fraction (%) Half-Life Q-Value (MeV) P-FactorEtot/EgComment Tc-104431046.02E-0588 1.6 Sr-9338935.14E-05715 1.3 Mo-101421014.43E-0562114.3 m2.810.081.3 Tc-102431023.97E-05526 2.2 Y-9539953.12E-05430 2.3 Xe-138541382.87E-0543414.1 m2.770.091.6 Ba-142561422.73E-05438 1.4 Tc-105431052.73E-05442 2.7 Ba-141561412.10E-05345 2.0 Cs-138551381.95E-05347 1.5 Sb-132511321.85E-052502.79 m5.510.351.5 Sb-131511311.77E-0525223.0 m3.220.171.3 Rb-8937891.77E-05254 1.5 I-134531341.67E-0525752.5 m4.180.161.2 Te-133521331.61E-0525912.5 m2.940.0021.6 Rh-108451081.54E-0526116.8 s4.510.662.1 108Ru:4.55 m Y-9439941.53E-05263 3.4 Sb-132m511321.43E-052654.10 m5.510.401.5 Sb-130m511301.41E-052676.3 m4.960.311.4 Ce-145581451.36E-05269 1.5 Rb-90m37901.28E-05270 1.4 Rb-9037901.17E-05272 1.9 Cs-139551391.15E-052739.27 m4.210.065.7 Kr-8936891.14E-052753.15 m5.180.091.7 Te-133m521331.13E-0527655.4 m3.280.071.2 Nb-99m41991.12E-051782.6 m4.000.261.7 Ru-107441071.05E-051793.75 m2.940.152.8 Sb-130511301.04E-0518139.5 m4.960.101.2 Sb-133511339.85E-061822.34 m4.000.311.2 Te-134521349.33E-0618341.8 m1.530.271.3 Fig. The top 30 FPs Contributing to Pu-239 Gamma DH at 10 min after a Fission Burst Green: Idaho TAGS Blue: Jyvaskyla TAGS Brown: On Request List in INDC(NDA)- 0551

23 Recoverable Fission Energy K.E. of Fission fragment : 168 MeV Fission Neutron : 5 MeV Prompt Gamma : 7 MeV Delayed Gamma : 7 MeV Beta : 8 MeV Total 195 MeV Fission Gamma-Ray Spectrum from Operating Reactors

24 Thank you for Your Attention

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