[2O16-20] Design and Demand of Advanced Reactor

[2O18] A Conceptual Design Study on Pool-type Sodium-cooled Fast Reactor with Enhanced Anti-seismic Capability

(1) A Study on Reactor Vessel and Internal Structures

*masato uchita¹, Takayuki Miyagawa¹, Masao Eto², Suzuno Tetsuji², Sigenobu Kubo³, Yoshitaka Chikazawa³ (1. Japan Atomic Power Company , 2. Mitsubishi FBR Systems Inc., 3. Japan Atomic Energy Agency)

Keywords:Pool-type Sodium-cooled Fast Reactor, Reactor Vessel and Internal Structure, Plenum separator , Large-sized Reactor Vessel, Seismic Evaluation

A conceptual design study for the reactor vessel and internal structures of pool-type sodium-cooled fast reactor is carried out by focusing on the structure to separate between hot-pool and cold-pool in the reactor vessel from the viewpoint of securing a design margin for enlarged plant.