Calculation of heat rating and burn-up for test fuel pins irradiated in DR3

C. Bagger, H. Carlsen, K. Hansen

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    Abstract

    A summary of the DR3 reactor and HP1 rig design is given followed by a detailed description of the calculation procedure for obtaining linear heat rating and burn-up values of fuel pins irradiated in HP1 rigs. The calculations are carried out rather detailed, especially regarding features like end pellet contribution to power as a function of burn-up, gamma heat contributions, and evaluation of local values of heat rating and burn-up. Included in the report is also a description of the fast flux- and cladding temperature calculation techniques currently used.

    A good agreement between measured and calculated local burn-up values is found. This gives confidence to the detailed treatmant of the data.
    Original languageEnglish
    Place of PublicationRoskilde, Denmark
    PublisherRisø National Laboratory
    Number of pages50
    ISBN (Print)87-550-0655-8
    Publication statusPublished - 1980
    SeriesRisø-M
    Number2185
    ISSN0418-6435

    Keywords

    • Risø-M-2185
    • Burn-up
    • Calometry
    • Computer calculations
    • DR-3
    • Fission
    • Fuel assemblies
    • Fuel pellets
    • Fuel pins
    • Mathematical models
    • Power distribution
    • Radiation heating
    • Uranium dioxide
    • Zircaloy

    Cite this

    Bagger, C., Carlsen, H., & Hansen, K. (1980). Calculation of heat rating and burn-up for test fuel pins irradiated in DR3. Risø National Laboratory. Risø-M, No. 2185