Neutron flux-densities and γ dose-rates at 100 kW power
| Irradiation position |
φ*th(E<0.5 MeV) (cm-2 s-1) |
φ f(E>1 MeV) (cm-2 s-1) |
Dγ (Gy/h) |
| D5 core pos. Vert. channel. |
2.7E12 ± 1.08 E11 (±4 %) |
1.82E12 ±1.82E11 (±10 %) |
|
| G5 core pos. Vert. channel. |
2.50E12 ±1.00 E11 (±4 %) |
5.54E11 ±5.54E10 (±10 %) |
|
| D9 core pos. Vert. channel. |
1.07E12 ±4.28 E10 (±4 %) |
||
| H4 core pos. Vert. channel. |
1.16E12 ±4.64 E10 (±4 %) |
||
| No. 1.hor. chan. | 2.47E7 ±3.71 E6 (±15 %) |
1.36E7 ±4.76E6 (±35 %) |
|
| No. 2.hor. chan. | 2.79E7 ±4.18 E6 (±15 %) |
1.72E7 ±2.58E6 (±15 %) |
|
| No. 4.hor. chan. | 6.10E6 ±9.15 E6 (±15 %) |
3.06E6 ±1.07E6 (±35 %) |
|
| No. 5.hor. chan. | 3.17E7 ±3.17 E6 (±10 %) |
6.4E6 ±2.24E6 (±35 %) |
|
| No. 5.hor. chan. with 103 mm Bi plug |
1.50E7 ±9.00 E5 (±6 %) |
2.24E6 ±2.25E5 (±10 %) |
0.312 ±0.047(±15 %) |
| Empty irrad. tunnel. (inner surface) |
5.54E10** ±3.32 E9 (±6 %) |
3.99E9 ±2.39E8 (±6 %) |
3300 ±660(±20 %) |
| Irrad. tunnel (behind filter) |
1.24E9** ±6.20 E7 (±5 %) |
7.03E6 ±3.51E5 (±5 %) |
1.300 ±0.195 (±15 %) |
Notes
1) * Calculated value (using cross-section pertaining to the M-B distribution)
2) ** Calculated value (area under the Maxwell curve below 0.5 eV).
3) Flux densities at horizontal channels are valid at the outer surface of the physical shielding
Chapter 6/ page 6 of 6
