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[en] The SPPSHB computer code system is used for development of the fuel loading pattern of Units 3 and 4 at Kozloduy NPP with low burned assemblies from Units 1 and 2 . Some of the main results concerning assembly-wise power peaking factors, pin-wise power peaking factors and linear power density are presented and discussed in this paper. The results, obtained by the new code system SPPSHB, are compared with the results obtained by the old code system SPPS-1.6 - HEXAB2DB and with the results obtained by the Russian code system KASKAD. The well known WWER-440 local power peaking problem induced by the control assemblies is discussed, too (Authors)
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Vidovszky, Istvan (Kiadja and KFKI Atomenergia Kutatointezet, H-1525 Budapest 114, POB 49 (Hungary)); VUJE Trnava, Inc. - Engineering, Design and Research Organization, 918 64 Trnava (Slovakia); RRC 'Kurchatov Institute', Institute of Nuclear Reactors, VVER Department, 123182 Moscow (Russian Federation); Paks NPP Ltd., 7031 Paks (Hungary); Skoda JS a.s., Orlik 266, 316 06 Plzen (Czech Republic); INRNE - Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, Tzarigradsko Shaussee 72, Sophia 1784, (Bulgaria); UJV Rez plc, 250 68 Rez (Czech Republic); [833 p.]; ISBN 963-372-630-1; 
; Nov 2003; p. 311-325; 13. Atomic Energy Research Symposium on WWER Physics and Reactor Safety; Dresden (Germany); 22-26 Sep 2003; Also available from VUJE Trnava a.s. - Engineering, Design and Research Organization, Okruzna 5, 918 64 Trnava (Slovak Republic); 8 refs., 17 figs.
; Nov 2003; p. 311-325; 13. Atomic Energy Research Symposium on WWER Physics and Reactor Safety; Dresden (Germany); 22-26 Sep 2003; Also available from VUJE Trnava a.s. - Engineering, Design and Research Organization, Okruzna 5, 918 64 Trnava (Slovak Republic); 8 refs., 17 figs.