Open AccessFuzzy logic algorithms for classification and parameterization of eddy-current signals
Author(s) -
Е. Г. Щукис,
В. П. Лунин,
A. A. Stolyarov,
Elizabeth A. Kulikova,
A. V. Kryukov
Publication year - 2020
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1636/1/012011
Subject(s) - boiler (water heating) , nuclear engineering , coolant , heat exchanger , heat recovery steam generator , pressurized water reactor , steam drum , superheater , tube (container) , boiler feedwater , steam electric power station , nuclear power plant , nuclear power , surface condenser , nuclear reactor , engineering , mechanical engineering , materials science , superheated steam , steam turbine , waste management , physics , nuclear physics , combined cycle , turbine
Safety of nuclear power plants operation depends on steam generator safe operation. Russian nuclear power plants with water-water energetic reactors WWER-440 and WWER-1000 use horizontal type steam generators which are cylindrical objects of 3 m diameter and 12 - 15 m length. Steam goes through steam generator tube sheets in the bottom from hot end and passes its energy through heat-exchanger tube system and become colder on the other tube sheet. Reactors WWER-440 have more than 5,000 tubes in one steam generator and reactors WWER-1000 have already 11,000 tubes in one steam generator. Each block of WWER-440 reactor has 6 steam generators, and each block of WWER-1000 reactor has 4 steam generators. A thin-walled steam generator tube can be a threat of nuclear fallout in case of high pressure in primary coolant loop. To be an effective barrier these tubes should be free from corrosion, thinning and cracks.