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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 14
Tabular Data for Recommended Decay Heat Power for
Fast Fission of 240Pu and for Irradiation of One Year
| Time | Beta | Gamma | Total |
| (s) | (MeV/fission) | (MeV/fission) | (MeV/fission) |
| 0.0 | 5.775E+0 | 5.702E+0 | 1.148E+1 |
| 1.0E-1 | 5.718E+0 | 5.659E+0 | 1.138E+1 |
| 1.5E-1 | 5.692E+0 | 5.638E+0 | 1.133E+1 |
| 2.0E-1 | 5.665E+0 | 5.618E+0 | 1.128E+1 |
| 3.0E-1 | 5.615E+0 | 5.580E+0 | 1.120E+1 |
| 4.0E-1 | 5.568E+0 | 5.543E+0 | 1.111E+1 |
| 5.0E-1 | 5.523E+0 | 5.509E+0 | 1.103E+1 |
| 6.0E-1 | 5.480E+0 | 5.476E+0 | 1.096E+1 |
| 8.0E-1 | 5.400E+0 | 5.416E+0 | 1.082E+1 |
| 1.0E+0 | 5.325E+0 | 5.360E+0 | 1.069E+1 |
| 1.5E+0 | 5.162E+0 | 5.237E+0 | 1.040E+1 |
| 2.0E+0 | 5.023E+0 | 5.133E+0 | 1.016E+1 |
| 3.0E+0 | 4.793E+0 | 4.964E+0 | 9.758E+0 |
| 4.0E+0 | 4.612E+0 | 4.828E+0 | 9.440E+0 |
| 5.0E+0 | 4.461E+0 | 4.717E+0 | 9.177E+0 |
| 6.0E+0 | 4.333E+0 | 4.621E+0 | 8.955E+0 |
| 8.0E+0 | 4.126E+0 | 4.466E+0 | 8.592E+0 |
| 1.0E+1 | 3.965E+0 | 4.341E+0 | 8.306E+0 |
| 1.5E+1 | 3.675E+0 | 4.111E+0 | 7.785E+0 |
| 2.0E+1 | 3.475E+0 | 3.940E+0 | 7.420E+0 |
| 3.0E+1 | 3.206E+0 | 3.706E+0 | 6.912E+0 |
| 4.0E+1 | 3.022E+0 | 3.534E+0 | 6.556E+0 |
| 5.0E+1 | 2.883E+0 | 3.399E+0 | 6.282E+0 |
| 6.0E+1 | 2.770E+0 | 3.288E+0 | 6.059E+0 |
| 8.0E+1 | 2.597E+0 | 3.114E+0 | 5.711E+0 |
| 1.0E+2 | 2.468E+0 | 2.982E+0 | 5.450E+0 |
| 1.5E+2 | 2.249E+0 | 2.755E+0 | 5.004E+0 |
| 2.0E+2 | 2.107E+0 | 2.607E+0 | 4.714E+0 |
| 3.0E+2 | 1.922E+0 | 2.417E+0 | 4.339E+0 |
| 4.0E+2 | 1.797E+0 | 2.291E+0 | 4.088E+0 |
| 5.0E+2 | 1.701E+0 | 2.194E+0 | 3.895E+0 |
| 6.0E+2 | 1.623E+0 | 2.114E+0 | 3.737E+0 |
| 8.0E+2 | 1.500E+0 | 1.984E+0 | 3.484E+0 |
| 1.0E+3 | 1.404E+0 | 1.881E+0 | 3.285E+0 |
| 1.5E+3 | 1.233E+0 | 1.686E+0 | 2.919E+0 |
| 2.0E+3 | 1.118E+0 | 1.544E+0 | 2.662E+0 |
| 3.0E+3 | 9.696E-1 | 1.348E+0 | 2.317E+0 |
| 4.0E+3 | 8.789E-1 | 1.216E+0 | 2.095E+0 |
| 5.0E+3 | 8.175E-1 | 1.120E+0 | 1.938E+0 |
| 6.0E+3 | 7.726E-1 | 1.047E+0 | 1.820E+0 |
| 8.0E+3 | 7.100E-1 | 9.415E-1 | 1.652E+0 |
Table 14 (continued)
Tabular Data for Recommended Decay Heat Power for
Fast Fission of 240Pu and for Irradiation of One Year
| Time | Beta | Gamma | Total |
| (s) | (MeV/fission) | (MeV/fission) | (MeV/fission) |
| 1.0E+4 | 6.667E-1 | 8.688E-1 | 1.536E+0 |
| 1.5E+4 | 5.955E-1 | 7.578E-1 | 1.353E+0 |
| 2.0E+4 | 5.482E-1 | 6.945E-1 | 1.243E+0 |
| 3.0E+4 | 4.844E-1 | 6.208E-1 | 1.105E+0 |
| 4.0E+4 | 4.406E-1 | 5.745E-1 | 1.015E+0 |
| 5.0E+4 | 4.079E-1 | 5.402E-1 | 9.481E-1 |
| 6.0E+4 | 3.824E-1 | 5.131E-1 | 8.955E-1 |
| 8.0E+4 | 3.452E-1 | 4.721E-1 | 8.172E-1 |
| 1.0E+5 | 3.190E-1 | 4.419E-1 | 7.610E-1 |
| 1.5E+5 | 2.776E-1 | 3.912E-1 | 6.688E-1 |
| 2.0E+5 | 2.527E-1 | 3.580E-1 | 6.108E-1 |
| 3.0E+5 | 2.230E-1 | 3.143E-1 | 5.373E-1 |
| 4.0E+5 | 2.047E-1 | 2.845E-1 | 4.892E-1 |
| 5.0E+5 | 1.915E-1 | 2.617E-1 | 4.532E-1 |
| 6.0E+5 | 1.812E-1 | 2.431E-1 | 4.243E-1 |
| 8.0E+5 | 1.655E-1 | 2.143E-1 | 3.797E-1 |
| 1.0E+6 | 1.538E-1 | 1.925E-1 | 3.463E-1 |
| 1.5E+6 | 1.335E-1 | 1.553E-1 | 2.889E-1 |
| 2.0E+6 | 1.200E-1 | 1.311E-1 | 2.511E-1 |
| 3.0E+6 | 1.025E-1 | 1.002E-1 | 2.027E-1 |
| 4.0E+6 | 9.130E-2 | 8.114E-2 | 1.724E-1 |
| 5.0E+6 | 8.348E-2 | 6.819E-2 | 1.517E-1 |
| 6.0E+6 | 7.760E-2 | 5.872E-2 | 1.363E-1 |
| 8.0E+6 | 6.901E-2 | 4.542E-2 | 1.144E-1 |
| 1.0E+7 | 6.271E-2 | 3.611E-2 | 9.881E-2 |
| 1.5E+7 | 5.166E-2 | 2.139E-2 | 7.304E-2 |
| 2.0E+7 | 4.405E-2 | 1.337E-2 | 5.742E-2 |
| 3.0E+7 | 3.357E-2 | 6.377E-3 | 3.992E-2 |
| 4.0E+7 | 2.625E-2 | 3.990E-3 | 3.024E-2 |
| 5.0E+7 | 2.074E-2 | 2.992E-3 | 2.371E-2 |
| 6.0E+7 | 1.648E-2 | 2.452E-3 | 1.893E-2 |
| 8.0E+7 | 1.056E-2 | 1.825E-3 | 1.238E-2 |
| 1.0E+8 | 6.903E-3 | 1.448E-3 | 8.351E-3 |
| 1.5E+8 | 2.723E-3 | 9.845E-4 | 3.707E-3 |
| 2.0E+8 | 1.401E-3 | 8.088E-4 | 2.210E-3 |
| 3.0E+8 | 7.847E-4 | 6.844E-4 | 1.469E-3 |
| 4.0E+8 | 6.608E-4 | 6.245E-4 | 1.285E-3 |
| 5.0E+8 | 5.992E-4 | 5.771E-4 | 1.176E-3 |
| 6.0E+8 | 5.510E-4 | 5.351E-4 | 1.086E-3 |
| 8.0E+8 | 4.707E-4 | 4.615E-4 | 9.322E-4 |
Table 14 (continued)
Tabular Data for Recommended Decay Heat Power for
Fast Fission of 240Pu and for Irradiation of One Year
| Time | Beta | Gamma | Total |
| (s) | (MeV/fission) | (MeV/fission) | (MeV/fission) |
| 1.0E+9 | 4.037E-4 | 3.987E-4 | 8.024E-4 |
| 1.5E+9 | 2.764E-4 | 2.769E-4 | 5.533E-4 |
| 2.0E+9 | 1.897E-4 | 1.924E-4 | 3.821E-4 |
| 3.0E+9 | 8.958E-5 | 9.293E-5 | 1.825E-4 |
| 4.0E+9 | 4.245E-5 | 4.489E-5 | 8.735E-5 |
| 5.0E+9 | 2.020E-5 | 2.170E-5 | 4.190E-5 |
| 6.0E+9 | 9.677E-6 | 1.050E-5 | 2.018E-5 |
| 8.0E+9 | 2.305E-6 | 2.483E-6 | 4.787E-6 |
| 1.0E+10 | 6.140E-7 | 6.133E-7 | 1.227E-6 |
| 1.5E+10 | 7.862E-8 | 5.969E-8 | 1.380E-7 |
| 2.0E+10 | 4.423E-8 | 4.511E-8 | 8.933E-8 |
| 3.0E+10 | 3.497E-8 | 4.461E-8 | 7.959E-8 |
| 4.0E+10 | 3.415E-8 | 4.451E-8 | 7.866E-8 |
| 5.0E+10 | 3.403E-8 | 4.442E-8 | 7.844E-8 |
| 6.0E+10 | 3.397E-8 | 4.432E-8 | 7.829E-8 |
| 8.0E+10 | 3.387E-8 | 4.412E-8 | 7.799E-8 |
| 1.0E+11 | 3.376E-8 | 4.393E-8 | 7.769E-8 |
| 1.5E+11 | 3.351E-8 | 4.345E-8 | 7.696E-8 |
| 2.0E+11 | 3.326E-8 | 4.297E-8 | 7.623E-8 |
| 3.0E+11 | 3.276E-8 | 4.204E-8 | 7.480E-8 |
| 4.0E+11 | 3.227E-8 | 4.112E-8 | 7.339E-8 |
| 5.0E+11 | 3.179E-8 | 4.023E-8 | 7.200E-8 |
| 6.0E+11 | 3.132E-8 | 3.936E-8 | 7.068E-8 |
| 8.0E+11 | 3.041E-8 | 3.766E-8 | 6.807E-8 |
| 1.0E+12 | 2.953E-8 | 3.603E-8 | 6.556E-8 |
| 1.5E+12 | 2.745E-8 | 3.229E-8 | 5.974E-8 |
| 2.0E+12 | 2.555E-8 | 2.893E-8 | 5.448E-8 |
| 3.0E+12 | 2.221E-8 | 2.322E-8 | 4.543E-8 |
| 4.0E+12 | 1.940E-8 | 1.864E-8 | 3.804E-8 |
| 5.0E+12 | 1.703E-8 | 1.496E-8 | 3.199E-8 |
| 6.0E+12 | 1.501E-8 | 1.201E-8 | 2.702E-8 |
| 8.0E+12 | 1.183E-8 | 7.739E-9 | 1.957E-8 |
| 1.0E+13 | 9.492E-9 | 4.986E-9 | 1.448E-8 |
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Tokai-mura, Naka-gun, Ibaraki-ken, 319-1195, Japan
