Science and Technology of Nuclear Installations / 2012 / Article / Tab 1

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-30BL-44A1-84
ExperimentCalculationExperimentCalculationExperimentCalculation

Core thermal power (MWth)5.175.175.245.255.155.15
PRZ pressure (top of the PRZ) (MPa)15.8015.8015.4615.4615.8015.80
SG-IL pressure (top of the SG) (MPa)6.5306.5315.115.116.5486.550
SG-BL pressure (top of the SG) (MPa)6.5106.5045.1205.1196.5276.526
Accumulator IL pressure (MPa)2.772.773.913.912.82.8
Primary mass inventory (kg)430.95440.62448.0465.05432.86440.33
Core inlet temperature (C)295.97295.31280.50280.15295.22295.33
Core outlet temperature (C)327.31325.81313.0312.23326.76326.91
Hot leg IL temperature (C)326.00325.68311.39312.10328.94326.91
Hot leg BL temperature (C)327.00325.63314.84312.05329.4326.9
Cold leg IL temperature (C)295.00293.59281.24278.32294.23293.87
Cold leg BL temperature (C)294.00293.34280.07278.27292.29292.21
Hot leg IL mass flow (kg/s)20.7620.4221.3021.1520.220.02
Hot leg BL mass flow (kg/s)6.926.987.407.236.26.175
SG-IL feedwater mass flow (kg/s)1.991.991.952.112.072.038
SG-BL feedwater mass flow (kg/s)0.690.690.750.710.610.643
Pressurizer level, collapsed (m)5.105.105.035.035.3465.346
Core pressure drop (kPa)117.16121.54125.0125.86112.59118.4
IL Pump velocity (rpm)4896.864896.654834.994831.954832.934927.43
BL Pump velocity (rpm)3812.613812.543822.723829.263912.363911.94

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