NEA-1547 IFPE/IFA-562.

IFPE/IFA-562, Pellet Surface Roughness Effect on Thermal Performances and PCMI

NAME OF EXPERIMENT, COMPUTER, DESCRIPTION, METHOD OF SOLUTION, RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM, TYPICAL RUNNING TIME, UNUSUAL FEATURES OF THE PROGRAM, RELATED AND AUXILIARY PROGRAMS, STATUS, REFERENCES, MACHINE REQUIREMENTS, LANGUAGE, OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED, OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS, ESTABLISHMENT OF AUTHORS, MATERIAL, CATEGORIES

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1. NAME OF EXPERIMENT: IFPE/IFA-562.1.

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2. COMPUTERS

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Program name	Package id	Status	Status date
IFPE/IFA-562.1	NEA-1547/01	Arrived	12-NOV-1997

Machines used:

Package ID	Orig. computer	Test computer
NEA-1547/01	Many Computers

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3. DESCRIPTION

Twelve fuel rods assembled in two axially separated clusters were irradiated in the Halden Boiling Water Reactor as IFA-562.1 from June 1987 to August 1989 in order to investigate the effect of pellet surface roughness on both fuel thermal and rod mechanical performances. As a second experimental objective the fuel grain growth caused by a power ramp at the end of the irradiation period was intended to investigate by PIE. To achieve the objectives fuel centre temperatures and clad elongation were measured in the fuel roads containing either rough or smooth pellets and filled with xenon or helium gas. To provide ideal conditions for the comparison of smooth and rough pellet rods' behaviour, the rods were fabricated with small fuel-clad gap size and the fuel temperatures were kept below 1200 C-degree during the base irradiation. The small initial gap size provided gap closure, and the low fuel centre temperature prevented both fission gas release and grain growth. Nevertheless, no systematic differences have been observed in either thermal or mechanical behaviour of the smooth and rough pellet rods. Consequently the effect of pellet surface roughness is insignificant in comparison with other influences as the pellet-cladding gap size change, fuel densification and relocation. During the final high power period the fuel temperature increase induced measurable grain growth in a few sample from the upper cluster.

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4. METHOD OF SOLUTION:

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5. RESTRICTIONS ON THE COMPLEXITY OF THE PROBLEM:

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6. TYPICAL RUNNING TIME:

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7. UNUSUAL FEATURES OF THE PROGRAM:

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8. RELATED AND AUXILIARY PROGRAMS:

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9. STATUS

Package ID	Status date	Status
NEA-1547/01	12-NOV-1997	Arrived at NEADB

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10. REFERENCES

NEA-1547/01, included references:

- P.M.Crosby and C. Vitanza:
Irradiation of the Pellet Roughness Rig IFA-562
Progress Report March 1988, HWR-238
- M.R.Smith:
Final Report on the In-Pile Results from the Pellet Roughness Test
in Rig IFA-562, HWR-245 (November 1989)

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11. MACHINE REQUIREMENTS:

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12. PROGRAMMING LANGUAGE(S) USED

No item found

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13. OPERATING SYSTEM UNDER WHICH PROGRAM IS EXECUTED:

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14. OTHER PROGRAMMING OR OPERATING INFORMATION OR RESTRICTIONS:

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15. ESTABLISHMENT OF AUTHORS

   OECD Halden Reactor Project
   Institutt for Energiteknikk
   P.O. Box 173
   N-1751 HALDEN
   Norway

   Compilation: Cs. Gyori

   Review: J.A. Turnbull, UK

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16. MATERIAL AVAILABLE

NEA-1547/01

miscellaneous    mag tapeREAD.ME Information file                   MISTP
miscellaneous    mag tape562-1.SUM Summary about the experiment     MISTP
test-case data   mag tapeROD01.DAT Condensed history for fuel Rod 01DATTP
test-case data   mag tapeROD02.DAT Condensed history for fuel Rod 02DATTP
test-case data   mag tapeROD03.DAT Condensed history for fuel Rod 03DATTP
test-case data   mag tapeROD04.DAT Condensed history for fuel Rod 04DATTP
test-case data   mag tapeROD05.DAT Condensed history for fuel Rod 05DATTP
test-case data   mag tapeROD06.DAT Condensed history for fuel Rod 06DATTP
test-case data   mag tapeROD07.DAT Condensed history for fuel Rod 07DATTP
test-case data   mag tapeROD08.DAT Condensed history for fuel Rod 08DATTP
test-case data   mag tapeROD09.DAT Condensed history for fuel Rod 09DATTP
test-case data   mag tapeROD10.DAT Condensed history for fuel Rod 10DATTP
test-case data   mag tapeROD11.DAT Condensed history for fuel Rod 11DATTP
test-case data   mag tapeROD12.DAT Condensed history for fuel Rod 12DATTP
test-case data   mag tapeEC01.BU Measured cladding elongation Rod 01DATTP
test-case data   mag tapeEC02.BU Measured cladding elongation Rod 02DATTP
test-case data   mag tapeEC03.BU Measured cladding elongation Rod 03DATTP
test-case data   mag tapeEC04.BU Measured cladding elongation Rod 04DATTP
test-case data   mag tapeEC05.BU Measured cladding elongation Rod 05DATTP
test-case data   mag tapeEC06.BU Measured cladding elongation Rod 06DATTP
test-case data   mag tapeEC07.BU Measured cladding elongation Rod 07DATTP
test-case data   mag tapeEC08.BU Measured cladding elongation Rod 08DATTP
test-case data   mag tapeEC09.BU Measured cladding elongation Rod 09DATTP
test-case data   mag tapeEC10.BU Measured cladding elongation Rod 10DATTP
test-case data   mag tapeEC11.BU Measured cladding elongation Rod 11DATTP
test-case data   mag tapeEC12.BU Measured cladding elongation Rod 12DATTP
test-case data   mag tapeTF01-07.BU Local power & temp. data        DATTP
test-case data   mag tapeTF02-08.BU Local power & temp. data        DATTP
test-case data   mag tapeTF03-09.BU Local power & temp. data        DATTP
test-case data   mag tapeTF04-10.BU Local power & temp. data        DATTP
test-case data   mag tapeTF05-11.BU Local power & temp. data        DATTP
test-case data   mag tapeTF06-12.BU Local power & temp. data        DATTP
test-case data   mag tapeTF13-19.BU Local power & temp. data        DATTP
test-case data   mag tapeTF14-20.BU Local power & temp. data        DATTP
test-case data   mag tapeTF15-21.BU Local power & temp. data        DATTP
test-case data   mag tapeTF16-22.BU Local power & temp. data        DATTP
test-case data   mag tapeTF17-23.BU Local power & temp. data        DATTP
test-case data   mag tapeTF18-24.BU Local power & temp. data        DATTP
test-case data   mag tapeTF01.25 Loc. burnup,thermocoup. 01(25 kW/m)DATTP
test-case data   mag tapeTF02.25 Loc. burnup,thermocoup. 02(25 kW/m)DATTP
test-case data   mag tapeTF03.25 Loc. burnup,thermocoup. 03(25 kW/m)DATTP
test-case data   mag tapeTF04.25 Loc. burnup,thermocoup. 04(25 kW/m)DATTP
test-case data   mag tapeTF05.25 Loc. burnup,thermocoup. 05(25 kW/m)DATTP
test-case data   mag tapeTF06.25 Loc. burnup,thermocoup. 06(25 kW/m)DATTP
test-case data   mag tapeTF08.25 Loc. burnup,thermocoup. 08(25 kW/m)DATTP
test-case data   mag tapeTF09.25 Loc. burnup,thermocoup. 09(25 kW/m)DATTP
test-case data   mag tapeTF11.25 Loc. burnup,thermocoup. 11(25 kW/m)DATTP
test-case data   mag tapeTF12.25 Loc. burnup,thermocoup. 12(25 kW/m)DATTP
test-case data   mag tapeTF13.25 Loc. burnup,thermocoup. 13(25 kW/m)DATTP
test-case data   mag tapeTF14.25 Loc. burnup,thermocoup. 14(25 kW/m)DATTP
test-case data   mag tapeTF15.25 Loc. burnup,thermocoup. 15(25 kW/m)DATTP
test-case data   mag tapeTF16.25 Loc. burnup,thermocoup. 16(25 kW/m)DATTP
test-case data   mag tapeTF17.25 Loc. burnup,thermocoup. 17(25 kW/m)DATTP
test-case data   mag tapeTF18.25 Loc. burnup,thermocoup. 18(25 kW/m)DATTP
test-case data   mag tapeTF19.25 Loc. burnup,thermocoup. 19(25 kW/m)DATTP
test-case data   mag tapeTF20.25 Loc. burnup,thermocoup. 20(25 kW/m)DATTP
test-case data   mag tapeTF21.25 Loc. burnup,thermocoup. 21(25 kW/m)DATTP
test-case data   mag tapeTF22.25 Loc. burnup,thermocoup. 22(25 kW/m)DATTP
test-case data   mag tapeTF23.25 Loc. burnup,thermocoup. 23(25 kW/m)DATTP
test-case data   mag tapeTF24.25 Loc. burnup,thermocoup. 24(25 kW/m)DATTP
test-case data   mag tapeROD01.RMP Final high power period data     DATTP
test-case data   mag tapeROD02.RMP Final high power period data     DATTP
test-case data   mag tapeROD03.RMP Final high power period data     DATTP
test-case data   mag tapeROD04.RMP Final high power period data     DATTP
test-case data   mag tapeROD05.RMP Final high power period data     DATTP
test-case data   mag tapeROD06.RMP Final high power period data     DATTP
test-case data   mag tapeROD07.RMP Final high power period data     DATTP
test-case data   mag tapeROD08.RMP Final high power period data     DATTP
test-case data   mag tapeROD09.RMP Final high power period data     DATTP
test-case data   mag tapeROD10.RMP Final high power period data     DATTP
test-case data   mag tapeROD11.RMP Final high power period data     DATTP
test-case data   mag tapeROD12.RMP Final high power period data     DATTP
test-case output mag tapeFIG1.PS Fig. referred in files (Postscript)OUTTP
test-case output mag tapeFIG2.PS Fig. referred in files (Postscript)OUTTP
test-case output mag tapeFIG3.PS Fig. referred in files (Postscript)OUTTP
test-case output mag tapeFIG4.PS Fig. referred in files (Postscript)OUTTP
test-case output mag tapeFIG5.PS Fig. referred in files (Postscript)OUTTP
test-case output mag tapeFIG6.PS Fig. referred in files (Postscript)OUTTP
test-case output mag tapeFIG7.PS Fig. referred in files (Postscript)OUTTP
test-case output mag tapeFIG8.PS Fig. referred in files (Postscript)OUTTP
test-case output mag tapeFIG9.PS Fig. referred in files (Postscript)OUTTP

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17. CATEGORIES

Y. Integral Experiments Data, Databases, Benchmarks

Keywords: BWR reactors, burnup, experimental data, fission products, fuel elements, fuel pellets, fuel rods, fuel-cladding interaction, thermal conductivity.