OAO Ivatsevichdrev - Siempelkamp
OAO Ivatsevichdrev - Siempelkamp
OAO Ivatsevichdrev - Siempelkamp
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Top:<br />
Cross-section of a reactor pressure vessel: temperature<br />
distribution of the coolant with feed of cold water<br />
Bottom:<br />
Fuel elements inside the reactor pressure vessel:<br />
temperature calculation of the coolant<br />
SIeMpelkAMp | nUCLeAR teCHnoLoGy<br />
CFD software for nuclear technology:<br />
special benefits!<br />
CFD has already proven its value in the<br />
field of nuclear power plants. Upon request<br />
from the German Gundremmingen<br />
power plant, nIs investigated a local short<br />
term cold water feed. this resulted in a<br />
non-uniform mixing of the water in the<br />
reactor. this in turn could lead to minor<br />
mechanical load of the spent fuel.<br />
A case for nIs and the CFD software, since<br />
the latest calculation applications for<br />
nuclear reactors are not tailored to such<br />
special cases. In order to calculate the<br />
mixing process of the cold fed-in water,<br />
the siempelkamp experts built a complete<br />
3-D model of the reactor pressure vessel<br />
and simulated the incident.<br />
the pleasing result showed that the fuel<br />
elements were at no time exposed to<br />
inappropriate loading. A compliment for<br />
nIs: as a result of the successful application<br />
of CFD methods, the power plant<br />
commissioned further investigations in<br />
connection with unequal mixture inside<br />
the reactor pressure vessel, like the
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