Review Article
CFD Applications to Pressurized Thermal Shock-Related Phenomena
Table 1
Large-scale experimental facilities for PTS experimental projects.
| | ROCOM test facility (HZDR) | TOPFLOW test facility (HZDR) | UPTF (BMFT-KWU) | LSTF (JAEA) |
| Scaling | 1 : 5 (since the loop volume is scaled to 1 : 125, the coolant transition time matches the actual reactor) | 1 : 25 | 1 : 1 | 1 : 48 in actual volume, 1 : 1 scale in actual height | Targeted reactor | Four-loop KONVOI-type reactor | EDF CPY 900 MWe PWR | Four-loop 1300 MWe Siemens/KWU PWR | 1100 MW class Westinghouse-type PWR | Maximum pressure | N/A | 7 MPa | 2.2 MPa | 15.7 MPa | Targeted phenomena | Effect of primary loop inventory and ECC water density differences on DC mixing | Two-phase flow behaviors in CL and DC during ECC injection and PTS event under small rupture LOCA | Multidimensional two-phase flow effects, specifically in upper plenum, upper core region, and DC | Thermal–hydraulic phenomena during LOCA of PWR | Objectives | SETa | SET | ITb and SET | IT and SET |
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aSeparate effects test. bIntegral test.
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