PACTEL (IET facility)
FinlandMain characteristics
Coolant:Water
Primary system pressure (max):8 MPa
Scaling method:P-to-V(Kv)
Time scale:1
Volumetric scale:1/305
Height scale:1
Scaling approaches:
- Non-Nuclear Core
- Full Height
- Reduced Loop Number
- Reduced Pressure
- Reduced Power
- Steam - Liquid Water
- Time Preserved
Loops
Number of loops:3
Number of combined intact loops:2
HL inner diam.:52.5 mm
CL inner diam.:52.5 mm
Number of FOR loops:1
Notes:
Preserve Froude n
Primary pumps
Number:3
Notes:
Primary pumps simulated by flow resistances (pumps will be added later)
Core
Number of sim. fuel Rods:144
Diameter:9.1 mm
Pitch:12.2 mm
Heated length:2.42 m
Max power:1 MW
Axial Peaking factor:1.4
Cladding:Stainless Steel
Heating method:Indirect
Axial power distribution:Chopped cosine
Steam Generator
Number:3
Type:U Tube
Num. tubes comb. loop:38
Pressure:4.65 MPa
ID:13 mm
OD:16 mm
Pitch:30 mm
Average Tube length:8.8 m
References
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PACTEL-ITE06, VVER-440 natural circulation stepwise coolant inventory reduction
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Tuunanen J., Kouhia J., Purhonen H., Riikonen V., Puustinen M., Semken R. S., Partanen H., Saure I., Pylkko H., 1998, General description of the PACTEL test facility, VTT Research Notes, 1929. 35 p. + app. 75 p. VTT Technical Research centre of Finland, Espoo, 1998
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J. Vihavainen : VVER-440 Thermal Hydraulics as a Computer Code Validation Challenge, 2014
https://www.doria.fi/bitstream/handle/10024/102206/Vihavainen%201%2012%20%20a4.pdf?sequence=2
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Riikonen V., Kouhia V., Rasanen A., Partanen H., 2009, General description of the PWR PACTEL test facility, Tech. Rep. number, Lappeenranta University of Technology, Nuclear Safety Research Unit, YTY 1, Lappeenranta