Cold neutron moderator on an upgraded IBR-2 reactor: The first set of results
Anan'ev, VD; Belyakov, AA; Bulavin, MV; Verkhoglyadov, AE; Kulikov, SA; Mukhin, KA; Shabalin, EP
| HERO ID | 2901518 |
|---|---|
| In Press | No |
| Year | 2014 |
| Title | Cold neutron moderator on an upgraded IBR-2 reactor: The first set of results |
| Authors | Anan'ev, VD; Belyakov, AA; Bulavin, MV; Verkhoglyadov, AE; Kulikov, SA; Mukhin, KA; Shabalin, EP |
| Journal | Technical Physics |
| Volume | 59 |
| Issue | 2 |
| Page Numbers | 283-286 |
| Abstract | The first criticality of a new KZ-202 neutron moderator on the IBR-2M reactor is achieved. The moderator consists of thermal and cold units. The former is a room-temperature comb water moderator; the latter, a moderator using a mixture of aromatic hydrocarbons (mesitylene and m-xylene). The cold moderator is filled with granules of this mixture, which are supplied by a cold helium flow, and operates at 30 K. The combination of two units in one moderator makes it possible to simultaneously take the thermal and cold neutron spectra for extracted-beam spectrometers. The arrangement of the thermal and cold moderators is numerically optimized by the Monte Carlo method. The use of the cold moderator allows a 13-fold increase in the cold neutron intensity from its surface. |
| Doi | 10.1134/S1063784214020029 |
| Wosid | WOS:000332316800019 |
| Is Certified Translation | No |
| Dupe Override | No |
| Is Public | Yes |