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Matal, O.; Sousek, P.; Simo, T.; Lehota, M.; Lipka, J.; Slugen, V.
Proceedings of international topical meeting on VVER technical innovations for next century2000
Proceedings of international topical meeting on VVER technical innovations for next century2000
AbstractAbstract
[en] Defects in feed water distributing system due to corrosion-erosion effects have been observed at many VVER 440 steam generators (SG). Therefore analysis of defects origin and consequently design development and testing of a new feed water distributing system were performed. System tests in-situ supported by calculations and comparison of measured and calculated data were focused on demonstration of long term reliable operation, definition of water flow and water chemical characteristics at the SG secondary side and their measurements and study of dynamic characteristics needed for the innovated feed water distributing system seismic features approval. The innovated feed water distributing system was installed in the SGs of two VVER units already. (author)
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European Nuclear Society, Bern (Switzerland); Czech Nuclear Society, Prague (Czech Republic); Slovak Nuclear Society, Bratislava (Slovakia); Czech Society for Science and Technology, Prague (Czech Republic); 435 p; 2000; p. 15-22; International topical meeting on 'VVER technical innovations for next century'; Prague (Czech Republic); 17-20 Apr 2000; 5 figs., 3 refs.
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