CSNI1022 REBEKA.

REBEKA, Behaviour of a Fuel Bundle Simulator during a Specified Heatup and Flooding Period Results

NAME OF EXPERIMENT, COMPUTER, DESCRIPTION OF TEST FACILITY, DESCRIPTION OF TEST, PHENOMENA TESTED, FEATURES, AUXILIARIES, STATUS, REFERENCES, TEST DESIGNATION, LANGUAGE, ESTABLISHMENT, MATERIAL, CATEGORIES

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1. NAME OF EXPERIMENT: REBEKA.

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2. COMPUTERS

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Program name	Package id	Status	Status date
REBEKA	CSNI1022/01	Report	01-FEB-1985

Machines used:

No specified machine

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3. DESCRIPTION OF TEST FACILITY

REBEKA test facility operated at Kernforschungszentrum Karlsruhe Research Center
- 48 rod fuel simulator bundle with cosine shaped power distribution
- internal INCONEL heater rods
- standard Zircaloy-cladding
- pressurized and unpressurized fuel rod simulators
- controlled cooling conditions at the bundle inlet (blowdown, refill and reflood period)

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4. DESCRIPTION OF TEST

The test was carried of in March 1983. It consisted in investigating into the non-steady material behaviour of a bundle of electrically heated fuel rod simulators with respect to
- local fuel temperatures,
- cladding strain,
- time to burst and
- local strain at location of burst

Inlet coolant flow conditions and local heat transfer coefficients along the simulator bundle have been provided to participants in "open" post-test exercise to decouple analytical tasks for simulating cooling conditions and local fuel rod material behaviour.

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6. PHENOMENA TESTED

Behaviour of a Fuel Bundle Simulator during a Specified Heatup and Flooding Period.

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7. UNUSUAL FEATURES

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8. RELATED OR AUXILIARY PROGRAMS

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9. STATUS

Package ID	Status date	Status
CSNI1022/01	01-FEB-1985	Report Only

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10. REFERENCES

CSNI1022/01, included references:

- H. Karwat:
Behaviour of a Fuel Bundle Simulator during a Specified Heatup and Flooding
Period (REBEKA Experiment)- Results of Post-Test Analyses; Final Comparison
Report; CSNI Report No. 98; February 1985; ISP 14

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11. TEST DESIGNATION: REBEKA

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12. PROGRAMMING LANGUAGE(S) USED

No specified programming language

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15. ESTABLISHMENT

Inst. For Reactor Dynamics and Reactor Safety,
Techn. Univ. Munich, Germany

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16. MATERIAL AVAILABLE

CSNI1022/01

Documentation in PDF format

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