engleski

Upgrade of the FUMACS Code Package

The FUMACS code package (an acronym of FUel MAnagement Code System) was developed at Rugjer Bošković Institute in year 1991 with the aim to enable in-core fuel management analysis of the NPP Krško core for nominal conditions. The modernization and uprating of the NPP Krško core from 1876 to 1994 MW (th) performed in year 2000 resulted in change of operating conditions. The old version of the FUMACS code package would not model properly the NPP Krško core for the new operating conditions. In order to upgrade the FUMACS code package to enable modeling of the NPP Krško core for uprated conditions and longer cycles modifications of master files, libraries and codes have been performed. In order to make the code package more user friendly, Windows (95/98/NT) compatible version of the code package, with incorporated graphical user interface has been developed. The new version of the code package has been verified and validated for new operating conditions on 12-month and 18-month operating cycles.

n-core fuel management; FUMACS; code package

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