Research Article
Consistent Posttest Calculations for LOCA Scenarios in LOBI Integral Facility
Table 1
LOBI-MOD2 tests BL-30, BL-44, and A1-84 experimental and calculated steady-state values.
| LOBI Parameter (Units) | BL-30 | BL-44 | A1-84 | Experiment | Calculation | Experiment | Calculation | Experiment | Calculation |
| Core thermal power (MWth) | 5.17 | 5.17 | 5.24 | 5.25 | 5.15 | 5.15 | PRZ pressure (top of the PRZ) (MPa) | 15.80 | 15.80 | 15.46 | 15.46 | 15.80 | 15.80 | SG-IL pressure (top of the SG) (MPa) | 6.530 | 6.531 | 5.11 | 5.11 | 6.548 | 6.550 | SG-BL pressure (top of the SG) (MPa) | 6.510 | 6.504 | 5.120 | 5.119 | 6.527 | 6.526 | Accumulator IL pressure (MPa) | 2.77 | 2.77 | 3.91 | 3.91 | 2.8 | 2.8 | Primary mass inventory (kg) | 430.95 | 440.62 | 448.0 | 465.05 | 432.86 | 440.33 | Core inlet temperature (C) | 295.97 | 295.31 | 280.50 | 280.15 | 295.22 | 295.33 | Core outlet temperature (C) | 327.31 | 325.81 | 313.0 | 312.23 | 326.76 | 326.91 | Hot leg IL temperature (C) | 326.00 | 325.68 | 311.39 | 312.10 | 328.94 | 326.91 | Hot leg BL temperature (C) | 327.00 | 325.63 | 314.84 | 312.05 | 329.4 | 326.9 | Cold leg IL temperature (C) | 295.00 | 293.59 | 281.24 | 278.32 | 294.23 | 293.87 | Cold leg BL temperature (C) | 294.00 | 293.34 | 280.07 | 278.27 | 292.29 | 292.21 | Hot leg IL mass flow (kg/s) | 20.76 | 20.42 | 21.30 | 21.15 | 20.2 | 20.02 | Hot leg BL mass flow (kg/s) | 6.92 | 6.98 | 7.40 | 7.23 | 6.2 | 6.175 | SG-IL feedwater mass flow (kg/s) | 1.99 | 1.99 | 1.95 | 2.11 | 2.07 | 2.038 | SG-BL feedwater mass flow (kg/s) | 0.69 | 0.69 | 0.75 | 0.71 | 0.61 | 0.643 | Pressurizer level, collapsed (m) | 5.10 | 5.10 | 5.03 | 5.03 | 5.346 | 5.346 | Core pressure drop (kPa) | 117.16 | 121.54 | 125.0 | 125.86 | 112.59 | 118.4 | IL Pump velocity (rpm) | 4896.86 | 4896.65 | 4834.99 | 4831.95 | 4832.93 | 4927.43 | BL Pump velocity (rpm) | 3812.61 | 3812.54 | 3822.72 | 3829.26 | 3912.36 | 3911.94 |
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