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CSNI0046 ROSA-IV/SB-CL-18.

ROSA-IV/SB-CL-18, Large Scale Test Facility, 5% Cold-Leg Break Test

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1. NAME OR DESIGNATION:  ROSA-IV/SB-CL-18.
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2. COMPUTERS
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Program name Package id Status Status date
ROSA-IV/SB-CL-18 CSNI0046/02 Tested 17-NOV-2010

Machines used:

Package ID Orig. computer Test computer
CSNI0046/02 Many Computers PC Windows
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3. DESCRIPTION OF TEST FACILITY

ROSA-IV is a large scale test facility (LSTF) for integral simulation of thermal-hydraulic response of a pressurized water reactor during a small break
loss-of-coolant accident or an operational transient. The facility has electric core heating. The overall scaling factor is 1/48. The hot and cold legs were sized to conserve the volume scaling. The four primary loops of the reference PWR are represented by two equal-volume loops.
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4. DESCRIPTION OF TEST

SB-CL-18 was a 5% cold leg break test. Both the initial steady-state conditions and the test procedures were designed to minimize the effects of scaling compromises. 10 seconds into the break, the turbine throttle valve was closed at a pressurizer pressure of 12.97 MPa. The turbine bypass was inactive, since loss-of-offsite power was assumed concurrently with the scram. The reactor coolant pumps stopped at 265 seconds. The core was uncovered between 120 seconds and 155 seconds into the break.
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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM: EXPERIMENTAL LIMITATIONS OR SHORTCOMINGS
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6. TYPICAL RUNNING TIME: PHENOMENA TESTED
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7. UNUSUAL FEATURES: SPECIAL FEATURES OF EXPERIMENT
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8. RELATED OR AUXILIARY PROGRAMS: COUNTERPART EXPERIMENTS
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9. STATUS
Package ID Status date Status
CSNI0046/02 17-NOV-2010 Tested at NEADB
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10. REFERENCES
CSNI0046/02, included references:
- Y. Kukita et al.:
ISP-26 OECD/NEA/CSNI International Standard Problem No.26
ROSA-IV LSTF Cold-Leg Small-Break LOCA Experiment
Comparison Report NEA/CSNI/R(91)13 (February 1992)
- The ROSA-IV Group
"ROSA-IV Large Scale Test Facility (LSTF) - System Description"
JAERI-M 84-237,January 1985
- The ROSA-IV Group
"Supplemental Description of ROSA-IV/LSTF with No. 1 Simulated Fuel-Rod
Assembly", JAERI-M 89-113, September 1989
- H. Kumamaru et al.:
ROSA-IV/LSTF 5% Cold Leg Break LOCA Experiment Run SB-CL-18 Data Report
JAERI-M 89-027 (March 89)
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11. TEST DESIGNATION:  SB-CL-18
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12. PROGRAMMING LANGUAGE(S) USED
No specified programming language
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15. ESTABLISHMENT

     Japan Atomic Energy Research Institute
     TOKAI-MURA
     Naka-gun, Ibaraki-ken 319-11
     JAPAN
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16. MATERIAL AVAILABLE
CSNI0046/02
Data in binary form, program to convert the data binary into ASCII
report
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17. CATEGORIES
  • Y. Integral Experiments Data, Databases, Benchmarks

Keywords: data, loss-of-coolant accident, transients.