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Decay Heat Tables
~ Recommended by Atomic Energy Society of Japan ~
| Instantaneous burst fission | Infinite irradiation (1013 sec) | One-year irradiation |
| Table 1 2 3 4 5 | Table 6 7 8 9 10 | Table 11 12 13 14 15 |
| All | Page 1 (0 ~ 8.E+3 sec) | Page 2 (1.E+4 ~ 8.E+8 sec) | Page 3 (1.E+9 ~ 1.E+13 sec) |
Table 11
Tabular Data for Recommended Decay Heat Power for
Thermal Fission of 235U and for Irradiation of One Year
| Time | Beta | Gamma | Total |
| (s) | (MeV/fission) | (MeV/fission) | (MeV/fission) |
| 0.0 | 6.392E+0 | 6.398E+0 | 1.279E+1 |
| 1.0E-1 | 6.319E+0 | 6.340E+0 | 1.266E+1 |
| 1.5E-1 | 6.284E+0 | 6.314E+0 | 1.260E+1 |
| 2.0E-1 | 6.251E+0 | 6.288E+0 | 1.254E+1 |
| 3.0E-1 | 6.188E+0 | 6.239E+0 | 1.243E+1 |
| 4.0E-1 | 6.129E+0 | 6.193E+0 | 1.232E+1 |
| 5.0E-1 | 6.074E+0 | 6.150E+0 | 1.222E+1 |
| 6.0E-1 | 6.022E+0 | 6.110E+0 | 1.213E+1 |
| 8.0E-1 | 5.926E+0 | 6.035E+0 | 1.196E+1 |
| 1.0E+0 | 5.839E+0 | 5.968E+0 | 1.181E+1 |
| 1.5E+0 | 5.648E+0 | 5.822E+0 | 1.147E+1 |
| 2.0E+0 | 5.488E+0 | 5.700E+0 | 1.119E+1 |
| 3.0E+0 | 5.226E+0 | 5.504E+0 | 1.073E+1 |
| 4.0E+0 | 5.018E+0 | 5.349E+0 | 1.037E+1 |
| 5.0E+0 | 4.846E+0 | 5.222E+0 | 1.007E+1 |
| 6.0E+0 | 4.700E+0 | 5.114E+0 | 9.814E+0 |
| 8.0E+0 | 4.465E+0 | 4.939E+0 | 9.404E+0 |
| 1.0E+1 | 4.282E+0 | 4.800E+0 | 9.082E+0 |
| 1.5E+1 | 3.957E+0 | 4.542E+0 | 8.500E+0 |
| 2.0E+1 | 3.737E+0 | 4.358E+0 | 8.095E+0 |
| 3.0E+1 | 3.445E+0 | 4.094E+0 | 7.540E+0 |
| 4.0E+1 | 3.250E+0 | 3.905E+0 | 7.155E+0 |
| 5.0E+1 | 3.102E+0 | 3.757E+0 | 6.860E+0 |
| 6.0E+1 | 2.985E+0 | 3.635E+0 | 6.620E+0 |
| 8.0E+1 | 2.805E+0 | 3.443E+0 | 6.247E+0 |
| 1.0E+2 | 2.671E+0 | 3.295E+0 | 5.965E+0 |
| 1.5E+2 | 2.445E+0 | 3.037E+0 | 5.482E+0 |
| 2.0E+2 | 2.300E+0 | 2.866E+0 | 5.166E+0 |
| 3.0E+2 | 2.112E+0 | 2.646E+0 | 4.758E+0 |
| 4.0E+2 | 1.986E+0 | 2.501E+0 | 4.487E+0 |
| 5.0E+2 | 1.890E+0 | 2.392E+0 | 4.282E+0 |
| 6.0E+2 | 1.813E+0 | 2.304E+0 | 4.116E+0 |
| 8.0E+2 | 1.691E+0 | 2.163E+0 | 3.854E+0 |
| 1.0E+3 | 1.597E+0 | 2.053E+0 | 3.650E+0 |
| 1.5E+3 | 1.426E+0 | 1.848E+0 | 3.274E+0 |
| 2.0E+3 | 1.307E+0 | 1.700E+0 | 3.008E+0 |
| 3.0E+3 | 1.152E+0 | 1.494E+0 | 2.646E+0 |
| 4.0E+3 | 1.054E+0 | 1.354E+0 | 2.407E+0 |
| 5.0E+3 | 9.850E-1 | 1.250E+0 | 2.235E+0 |
| 6.0E+3 | 9.333E-1 | 1.168E+0 | 2.102E+0 |
| 8.0E+3 | 8.580E-1 | 1.048E+0 | 1.906E+0 |
Table 11 (continued)
Tabular Data for Recommended Decay Heat Power for
Thermal Fission of 235U and for Irradiation of One Year
| Time | Beta | Gamma | Total |
| (s) | (MeV/fission) | (MeV/fission) | (MeV/fission) |
| 1.0E+4 | 8.035E-1 | 9.633E-1 | 1.767E+0 |
| 1.5E+4 | 7.095E-1 | 8.300E-1 | 1.540E+0 |
| 2.0E+4 | 6.453E-1 | 7.529E-1 | 1.398E+0 |
| 3.0E+4 | 5.578E-1 | 6.643E-1 | 1.222E+0 |
| 4.0E+4 | 4.988E-1 | 6.106E-1 | 1.109E+0 |
| 5.0E+4 | 4.560E-1 | 5.722E-1 | 1.028E+0 |
| 6.0E+4 | 4.237E-1 | 5.426E-1 | 9.662E-1 |
| 8.0E+4 | 3.785E-1 | 4.986E-1 | 8.771E-1 |
| 1.0E+5 | 3.484E-1 | 4.669E-1 | 8.152E-1 |
| 1.5E+5 | 3.033E-1 | 4.145E-1 | 7.178E-1 |
| 2.0E+5 | 2.775E-1 | 3.814E-1 | 6.589E-1 |
| 3.0E+5 | 2.479E-1 | 3.387E-1 | 5.866E-1 |
| 4.0E+5 | 2.297E-1 | 3.098E-1 | 5.395E-1 |
| 5.0E+5 | 2.163E-1 | 2.874E-1 | 5.038E-1 |
| 6.0E+5 | 2.056E-1 | 2.690E-1 | 4.746E-1 |
| 8.0E+5 | 1.888E-1 | 2.396E-1 | 4.284E-1 |
| 1.0E+6 | 1.757E-1 | 2.170E-1 | 3.927E-1 |
| 1.5E+6 | 1.520E-1 | 1.771E-1 | 3.291E-1 |
| 2.0E+6 | 1.353E-1 | 1.505E-1 | 2.857E-1 |
| 3.0E+6 | 1.123E-1 | 1.160E-1 | 2.283E-1 |
| 4.0E+6 | 9.698E-2 | 9.466E-2 | 1.916E-1 |
| 5.0E+6 | 8.590E-2 | 8.010E-2 | 1.660E-1 |
| 6.0E+6 | 7.740E-2 | 6.937E-2 | 1.468E-1 |
| 8.0E+6 | 6.491E-2 | 5.398E-2 | 1.189E-1 |
| 1.0E+7 | 5.593E-2 | 4.286E-2 | 9.879E-2 |
| 1.5E+7 | 4.135E-2 | 2.451E-2 | 6.587E-2 |
| 2.0E+7 | 3.269E-2 | 1.418E-2 | 4.686E-2 |
| 3.0E+7 | 2.291E-2 | 5.219E-3 | 2.813E-2 |
| 4.0E+7 | 1.728E-2 | 2.469E-3 | 1.975E-2 |
| 5.0E+7 | 1.344E-2 | 1.579E-3 | 1.502E-2 |
| 6.0E+7 | 1.063E-2 | 1.247E-3 | 1.187E-2 |
| 8.0E+7 | 6.925E-3 | 1.000E-3 | 7.925E-3 |
| 1.0E+8 | 4.785E-3 | 8.890E-4 | 5.674E-3 |
| 1.5E+8 | 2.550E-3 | 7.608E-4 | 3.310E-3 |
| 2.0E+8 | 1.913E-3 | 7.058E-4 | 2.619E-3 |
| 3.0E+8 | 1.578E-3 | 6.445E-4 | 2.223E-3 |
| 4.0E+8 | 1.435E-3 | 5.971E-4 | 2.032E-3 |
| 5.0E+8 | 1.321E-3 | 5.544E-4 | 1.875E-3 |
| 6.0E+8 | 1.219E-3 | 5.151E-4 | 1.735E-3 |
| 8.0E+8 | 1.043E-3 | 4.451E-4 | 1.488E-3 |
Table 11 (continued)
Tabular Data for Recommended Decay Heat Power for
Thermal Fission of 235U and for Irradiation of One Year
| Time | Beta | Gamma | Total |
| (s) | (MeV/fission) | (MeV/fission) | (MeV/fission) |
| 1.0E+9 | 8.937E-4 | 3.847E-4 | 1.278E-3 |
| 1.5E+9 | 6.087E-4 | 2.673E-4 | 8.760E-4 |
| 2.0E+9 | 4.152E-4 | 1.857E-4 | 6.010E-4 |
| 3.0E+9 | 1.936E-4 | 8.968E-5 | 2.833E-4 |
| 4.0E+9 | 9.044E-5 | 4.331E-5 | 1.338E-4 |
| 5.0E+9 | 4.230E-5 | 2.092E-5 | 6.322E-5 |
| 6.0E+9 | 1.983E-5 | 1.010E-5 | 2.993E-5 |
| 8.0E+9 | 4.403E-6 | 2.363E-6 | 6.765E-6 |
| 1.0E+10 | 1.016E-6 | 5.576E-7 | 1.573E-6 |
| 1.5E+10 | 5.990E-8 | 2.325E-8 | 8.315E-8 |
| 2.0E+10 | 2.773E-8 | 9.213E-9 | 3.694E-8 |
| 3.0E+10 | 2.281E-8 | 8.815E-9 | 3.162E-8 |
| 4.0E+10 | 2.240E-8 | 8.795E-9 | 3.119E-8 |
| 5.0E+10 | 2.234E-8 | 8.776E-9 | 3.111E-8 |
| 6.0E+10 | 2.231E-8 | 8.756E-9 | 3.107E-8 |
| 8.0E+10 | 2.226E-8 | 8.718E-9 | 3.098E-8 |
| 1.0E+11 | 2.221E-8 | 8.680E-9 | 3.089E-8 |
| 1.5E+11 | 2.209E-8 | 8.585E-9 | 3.067E-8 |
| 2.0E+11 | 2.197E-8 | 8.491E-9 | 3.046E-8 |
| 3.0E+11 | 2.173E-8 | 8.306E-9 | 3.003E-8 |
| 4.0E+11 | 2.149E-8 | 8.126E-9 | 2.962E-8 |
| 5.0E+11 | 2.126E-8 | 7.949E-9 | 2.920E-8 |
| 6.0E+11 | 2.103E-8 | 7.776E-9 | 2.880E-8 |
| 8.0E+11 | 2.057E-8 | 7.442E-9 | 2.801E-8 |
| 1.0E+12 | 2.013E-8 | 7.122E-9 | 2.725E-8 |
| 1.5E+12 | 1.908E-8 | 6.380E-9 | 2.546E-8 |
| 2.0E+12 | 1.810E-8 | 5.716E-9 | 2.382E-8 |
| 3.0E+12 | 1.632E-8 | 4.589E-9 | 2.091E-8 |
| 4.0E+12 | 1.476E-8 | 3.683E-9 | 1.845E-8 |
| 5.0E+12 | 1.338E-8 | 2.957E-9 | 1.634E-8 |
| 6.0E+12 | 1.217E-8 | 2.373E-9 | 1.454E-8 |
| 8.0E+12 | 1.013E-8 | 1.530E-9 | 1.166E-8 |
| 1.0E+13 | 8.514E-9 | 9.858E-10 | 9.500E-9 |
Copyright © 1995-2011, Japan Atomic Energy Agency, Nuclear Data Center
Tokai-mura, Naka-gun, Ibaraki-ken, 319-1195, Japan
