Power ramp and fission gas performance of fuel pins M20-1B, M2-2B and T9-3B

P. Knudsen, Carsten Bagger

    Research output: Book/ReportReportResearch

    25 Downloads (Pure)

    Abstract

    Three UO2-Zr test fuel pins were irradiated together to 2330 GJ/kg U (23,800 MWD/te UO2) at heat loads decreasin-j from 50 to 24 kW/m (500 to 240 W/cw) (test average levels), the latest being 31 kW/m (310 W/cra). One pin was then power ramped to 45 kW/m (450 W/cm) at 35 W/m.s (21 W/cm.min.) and kept there for 2 Ms (550 hrs.) without failure indication. The other two pins were further irradiated to 2450 GJ/kg U (25,000 MWD/te UO2) at approximately 23 kW/m (230 W/cm). Ramp testing to 43 kw/m (430 W/cm) did not produce failure during 2.4 Ms (670 hrs.). The fission gas release in the three pins was 30-40%. A limited metallographic examination revealed extensive fuel-clad reaction. Design and irradiation details are included for use as input in the validation of fuel performance codes.
    Original languageEnglish
    Place of PublicationRoskilde, Denmark
    PublisherRisø National Laboratory
    Number of pages31
    ISBN (Print)87-550-0571-3
    Publication statusPublished - 1978
    SeriesRisø-M
    Number2151
    ISSN0418-6435

    Keywords

    • Risø-M-2151

    Cite this

    Knudsen, P., & Bagger, C. (1978). Power ramp and fission gas performance of fuel pins M20-1B, M2-2B and T9-3B. Roskilde, Denmark: Risø National Laboratory. Risø-M, No. 2151
    Knudsen, P. ; Bagger, Carsten. / Power ramp and fission gas performance of fuel pins M20-1B, M2-2B and T9-3B. Roskilde, Denmark : Risø National Laboratory, 1978. 31 p. (Risø-M; No. 2151).
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    Knudsen, P & Bagger, C 1978, Power ramp and fission gas performance of fuel pins M20-1B, M2-2B and T9-3B. Risø-M, no. 2151, Risø National Laboratory, Roskilde, Denmark.

    Power ramp and fission gas performance of fuel pins M20-1B, M2-2B and T9-3B. / Knudsen, P.; Bagger, Carsten.

    Roskilde, Denmark : Risø National Laboratory, 1978. 31 p. (Risø-M; No. 2151).

    Research output: Book/ReportReportResearch

    TY - RPRT

    T1 - Power ramp and fission gas performance of fuel pins M20-1B, M2-2B and T9-3B

    AU - Knudsen, P.

    AU - Bagger, Carsten

    PY - 1978

    Y1 - 1978

    N2 - Three UO2-Zr test fuel pins were irradiated together to 2330 GJ/kg U (23,800 MWD/te UO2) at heat loads decreasin-j from 50 to 24 kW/m (500 to 240 W/cw) (test average levels), the latest being 31 kW/m (310 W/cra). One pin was then power ramped to 45 kW/m (450 W/cm) at 35 W/m.s (21 W/cm.min.) and kept there for 2 Ms (550 hrs.) without failure indication. The other two pins were further irradiated to 2450 GJ/kg U (25,000 MWD/te UO2) at approximately 23 kW/m (230 W/cm). Ramp testing to 43 kw/m (430 W/cm) did not produce failure during 2.4 Ms (670 hrs.). The fission gas release in the three pins was 30-40%. A limited metallographic examination revealed extensive fuel-clad reaction. Design and irradiation details are included for use as input in the validation of fuel performance codes.

    AB - Three UO2-Zr test fuel pins were irradiated together to 2330 GJ/kg U (23,800 MWD/te UO2) at heat loads decreasin-j from 50 to 24 kW/m (500 to 240 W/cw) (test average levels), the latest being 31 kW/m (310 W/cra). One pin was then power ramped to 45 kW/m (450 W/cm) at 35 W/m.s (21 W/cm.min.) and kept there for 2 Ms (550 hrs.) without failure indication. The other two pins were further irradiated to 2450 GJ/kg U (25,000 MWD/te UO2) at approximately 23 kW/m (230 W/cm). Ramp testing to 43 kw/m (430 W/cm) did not produce failure during 2.4 Ms (670 hrs.). The fission gas release in the three pins was 30-40%. A limited metallographic examination revealed extensive fuel-clad reaction. Design and irradiation details are included for use as input in the validation of fuel performance codes.

    KW - Risø-M-2151

    M3 - Report

    SN - 87-550-0571-3

    BT - Power ramp and fission gas performance of fuel pins M20-1B, M2-2B and T9-3B

    PB - Risø National Laboratory

    CY - Roskilde, Denmark

    ER -

    Knudsen P, Bagger C. Power ramp and fission gas performance of fuel pins M20-1B, M2-2B and T9-3B. Roskilde, Denmark: Risø National Laboratory, 1978. 31 p. (Risø-M; No. 2151).