PMK-2 (IET facility)
HungaryMain characteristics
Coolant:Water
Primary system pressure (max):12.35 MPa
Scaling method:P-to-V(Kv)
Time scale:1
Volumetric scale:1/2070
Height scale:1
Scaling approaches:
- Non-Nuclear Core
- Full Height
- Reduced Loop Number
- Full Pressure
- Steam - Liquid Water
- Full Power
- Time Preserved
Loops
Number of loops:1
Number of combined intact loops:6
HL inner diam.:46 mm
CL inner diam.:46 mm
Number of FOR loops:1
Notes:
Preserve Froude n
Primary pumps
Number:1
Notes:
Pump is accommodated in by-pass line: flow rate 0 to nominal value, NPP coast down simulation
Core
Number of sim. fuel Rods:19
Diameter:9.1 mm
Pitch:12.2 mm
Heated length:2.5 m
Max power:0.664 MW
Axial power distribution:Uniform
Steam Generator
Number:1
Type:SG
Num. tubes comb. loop:82
Pressure:4.6 MPa
OD:8 mm
Average Tube length:3.715 m
References
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Szabados L., E´zsol G., Perneczky L., Tòth I., Guba A., Takàcs A., Trosztel I., 2009, Final report on PMK-2 projects for VVER safety study. Major findings of PMK-2 test results and validation of thermohydraulic system codes for VVER safety studies, Tech. Rep. vol. 2, Akade’miai Kiado’, Budapest, Hungary
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L. Perneczky, et al : PMK-2, the First Integral Thermal-Hydraulics Tests for the Safety Evaluation of VVER-440/213 Nuclear Power Plants, 2011