Open Access
A method to reset a 3d on line core model on incore measurements
TLDR
A method to reset the core neutronic model in order the computed flux be in agreement with the detectors response, based on an equivalence procedure which permits to determine a reset parameter, called pseudo buckling, acting on the data of the model.Abstract:
Core monitoring systems based on online 3D calculations need algorithms to permit to compensate the inaccuracies in the neutronic model and in the process and incore detectors signals. It is presented here a method to reset the core neutronic model in order the computed flux be in agreement with the detectors response. The method is based on an equivalence procedure which permits to determine a reset parameter, called pseudo buckling, acting on the data of the model. It will be then presented some results showing the performance of the method.read more
Citations
More filters
Journal ArticleDOI
A Data Identification Method for the Improvement of a Cross-Section Model
TL;DR: In this article, a data identification method is presented to solve a constrained inverse problem and to obtain the parameters of some further correlations that will enhance the accuracy of the results, using as reference the results of a more accurate computer code or the measurements performed for in-core flux maps.
Core monitoring and prediction with a 3d on line model
TL;DR: The results have shown the benefits that can be achieved by the use of core monitoring and prediction with a 3D on line model as: provide larger operating margins and operating flexibility, give the operator the possibility to verify his operating strategies; improve reactor availability.
Journal ArticleDOI
Online Simulation of Nuclear Power Plant Primary Systems
TL;DR: In this article, an online simulation (OLS) model was developed to simulate the reactor core physics and thermal hydraulics in real-time, with boundary conditions acquired from the plant information system, synchronized in real time.
Journal ArticleDOI
An enhanced adaptation method for core monitoring systems
Aldo Dall’Osso,Valentin Pascal +1 more
TL;DR: The latest enhancements of the neutronic model, based on an equivalence procedure which allows determining an adaptation parameter, called pseudo-buckling, acting on the data of the model, are presented, which make the predictions of themodel more reliable.
References
More filters
Journal ArticleDOI
A transverse buckling based method in core neutronics models equivalence
TL;DR: In this paper, a transverse buckling distribution that takes into account for the neutron leakage in the lost direction is proposed to make an equivalence between two 3D models. But this method is not suitable for multigroup models and it could give poor results in trying to match two models with a strongly non-uniform composition distribution.
Related Papers (5)
Improved High-Order-Reset-Element Model Based on Circuit Analysis
Guanglei Zhao,Changchun Hua +1 more