Environmental Engineering Reference
In-Depth Information
Top view
Rod cluster control
Top nozzle
304 L stainless steel
springs
inconel 718
Top spacer
Zry-4/inconel 718
Control rod
304 L stainless steel
clad
Guide tube
instrument tube
Zry-4/M5/
ZIRLO
Fuel cladding
Zry-4/M5,
ZIRLO
,
NDA
,
MDA
, Duplex
Spacers
Zry-4/M5/
ZIRLO
Inconel 718
Bottom spacer
Zry-4/Inconel 718
Bottom nozzle
304 L stainless steel
debris filter
304 L stainless steel
Bottom view
4.4
Typical PWR FA (Cox
et al.
, 2006).
components are provided. The selection of the different structural materi-
als is based on their nuclear and mechanical properties as well as their cost,
in order to ensure acceptable performance during normal operation and
accidents.
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