| Abstract: | Some results of the noise diagnostic research, performed at the Department of Reactor Physics of Chalmers University of Technology are presented. This work has been made in co-operation with the Swedish safety authority and the power plants. The subjects discussed in the paper are: (a) Localization of a channel instability in a BWR; (b) Determination of the axial elevation of a control rod with neural networks in a PWR; (c) Diagnostics of core-barrel vibrations in PWRs. New methods were developed or known methods improved in order to handle these cases and the methods were tested through analysis of measurements. This paper gives a review of this work and its results. |
