Project Report
The LOBI Integral System Test Facility Experimental Programme
Table 1
LOBI test facility design and operational parameters.
| Reference plant | Siemens-KWU | Biblis B | Loops | 4 | Power | 1300 MWe |
| Primary system | Loops | 2 (1 : 3) | Total volume | 0.6 m³ | Scaling factor | 1 : 700 |
| Core | Power | 5.28 MWe | Length | 3.9 m | Number of rods | 64 | Matrix | 8 × 8 square | Heater rod OD | 10.75 mm | Pitch | 14.3 mm | Electrical heating | Direct |
| Vessel downcomer | Configuration | Annular |
Gap width | MOD1: 50 and 12 mm | MOD2: 12 mm |
| Steam generators | Type | U-Tubes |
Number of tubes | 1-Loop SG: 8 | 3-Loop SG: 24 |
| Main coolant pumps | Type | Centrifugal | Specific speed (DIN) | 29.2 |
| Operational conditions | Primary system pressure | 15.8 MPa | Core temperatures | 294/326°C inlet/outlet | Secondary system pressure | 6.4 MPa | SG temperatures | 210/280°C inlet/outlet |
| Organisation | EC joint research centre | Ispra, Italy |
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