… analyses of the nuclear fuel cycle, nuclear law and liability, … the safety of the VVER-1000,
model 320 reactor at the NPP. … -length control rods contain a strong neutron absorber over a …

… , and hence jamming of the control system. Assessment of the … Secondly, with the BCs
formulation during transient process … in-reactor equipment at different stages of the life cycle in the …

… the invessel phase of such a transient. The assessment of … not only to assess SAM procedures
for VVER-1000 reactors, ie … As a consequence of the pressurizer safety valve cycling, the …

… plant behavior during normal and transient operations, and … non-linear reactor core model:
(1) Reactor kinetics model of 0d … fi is the fuel temperature at each node inside fuel zone, V fi is …

… that occurs over a certain transitory time inside the reactor and in … input model for a 4-loop
a VVER-1000/V-320 reactors … at 5.5 s SG safety valves open at 285.7 s and start cycling after …

… The transient addressed in this work was simulated … the RELAP model of VVER-1000/V446
are described in following. … valve has been open-close as a cycle. It is obvious from the figure …

… transient in a VVER-1000 plant using the RELAP5/MOD3.2 thermal-hydraulic computer
program. A plant nodalization model … the VVER-1000 reactor for the particular class of transients …

… downward flow through channel using SHC model (MI method). In … of flow area could be
considered as control area in order to … distribution (in beginning of cycle) occurs lower than the …

… models are very high and of certain processes within the … on the power of the reactor at the
time the transient began. (1) A c … NPP is at the end of the fuel cycle our model provides similar …

… operation of the reactor in both steady and transient situations. … detailed three-dimensional
model of VVER-1000 full core is … average value of control rod positions for the whole cycle, as …