The discussion focuses on the differences between Advanced Pressurized Water Reactor (APWR) and Pressurized Water Reactor (PWR) core and nuclear fuel characteristics. It confirms that while APWR and PWR share similarities, particularly in fuel rod design, specific data from PWR can be utilized for calculating nuclear flux and burn-up in APWR applications. The AP1000, a variant of APWR, features a 14-ft (4.27 m) active fuel length and utilizes standard 17x17 fuel assemblies. Relevant technical specifications can be found in the NRC Design Control Document, specifically sections 4.1 and 4.2.
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Astronuc said:The AP1000 uses a 14-ft (4.27 m) active fuel length, similar to that used by South Texas and EdF 1300 MWe plants. The fuel rods are more or less standard 17x17 fuel with 14-ft pellet stack.
One can find technical information on the NRC website in the Design Control Document, particularly sections 4.1 and 4.2.