2/26/2023 0 Comments Trueflow se 7.3 crackThe computed power distribution at steady state, high power conditions normally has an uncertainty of about 3% for the nodal power and 2% for the bundle power. The approach has been carefully benchmarked to Movable In-Core Detector (MID) readings from two plants and also to fixed in-core readings from one plant. It has been demonstrated that adaptation of the nodal code to partially fit the available in-core detector readings, followed by a statistical characterization of the remaining errors, results in better accuracy and improved sensitivity for anomaly detection compared to an approach that is entirely dependent upon the detector readings. The PSMS can be adapted to PWRs developed by any of the three PWR more ยป vendors in the US however, from the technical point of view, the most difficult problem is associated with monitoring plants without fixed in-core neutron detectors. Activation of the calculations and review of the results is through user-friendly interactive software that can be tailored to the requirements and capabilities of the different categories of users through table-driven menus. This code is coupled to a simplified nodal version of the COBRA-IIIC/MIT-2 thermal-hydraulic model to determine the DNBR. The heart of the PSMS consists of a nodal code (NODEP-2/THERM-P) that computes the 3-D core power distribution. The Power Shape Monitoring System (PSMS) is a computer system for on-line monitoring and prediction of reactor cores.
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