SEMISCALE (IET facility)
United States of AmericaMain characteristics
Primary system volume:0.2 m3
Primary system pressure (max):15 MPa
Core flow area:0.0028 m2
Scaling method:P-to-V(Kv)
Time scale:1
Volumetric scale:1/1705
Height scale:1
Scaling approaches:
- Non-Nuclear Core
- Reduced Loop Number
- Full Height (Mod 2-3)
- Full Pressure
- Steam - Liquid Water
- Full Power
- Time Preserved
Loops
Number of loops:2
Number of single loops:1
HL inner diam.:34 mm
CL inner diam.:34 mm
Seal depth2.7 m
Number of combined intact loops:3
HL inner diam.:66 mm
CL inner diam.:66 mm
Number of FOR loops:1
Primary pumps
Number:2
Fluid:2-phase
Coastdown:Inertia
Core
Number of sim. fuel Rods:25
Diameter:10.7 mm
Pitch:14.3 mm
Heated length:3.66 m
Max power:2 MW
Axial Peaking factor:1.58
Heating method:Indirect
Steam Generator
Number:2
Type:U Tube
Num. tubes single loop:2
Num. tubes comb. loop:6
Pressure:6 MPa
ID:19.7 mm
References
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SEMISCALE/S-IB-3, Semiscale MOD-2A, 21.7% Communication Cold Leg Break LOCA Experiment
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SEMISCALE/S-PL-3E-LV, Scaled Reference 4-Loop PWR Experiment, Loss of Offsite Power Simulation
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SEMISCALE/S-PL-3E-SV, Scaled Reference 4-Loop PWR Experiment, Loss of Offsite Power Simulation
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SEMISCALE/UT-1, Semiscale MOD-2A, 10% Communication Cold Leg Break LOCA Experiment
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SEMISCALE/S-06-3(LV), Thermal and Hydraulic Phenomena with LOCA in U-Tube PWR
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SEMISCALE/S-06-3(SV), Thermal and Hydraulic Phenomena with LOCA in U-Tube PWR
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SEMISCALE/TEST1011, Large break LOCA blowdown starting from isothermal conditions of the primary coolant loop
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L J Ball, K A Dietz, D J Manson, D J Olson: SEMISCALE Program Description TREE-NUREG 1210
https://inis.iaea.org/search/searchsinglerecord.aspx?recordsFor=SingleRecord&RN=10487402
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G.G. Loomis, Summary of SEMISCALE programme, NUREG/CR-4945
https://inis.iaea.org/collection/NCLCollectionStore/_Public/19/018/19018882.pdf
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J R Wolf: Quick-look Report on SEMISCALE Test S-PL-3, EGG-SEMI;6429 October 1983
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Larson T. K., Anderson J. L., Shineck D. J., 1980, Scaling Criteria and Assessment of Semiscale Mod-3 Scaling for Small Break LOCA Transients, EGG-SEMI-5121