[2C04-07] Fuel Cladding Material

[2C05] Considerations for the seismic evaluation of the fuel assembly after Loss-of-Coolant-Accident (LOCA) in PWR

(2)Impact behavior of a fuel grid exposed to the temperature condition of a postulated LOCA

Ryo Fukuda¹, Nozomu Murakami¹, *Masaaki Yamato¹, Hisashi Koike², Yasunari Shinohara² (1. Mitsubishi Heavy Industries, Ltd., 2. Nuclear Development Corporation)

Keywords:LOCA, Fuel grid, coolability, Seismic evaluation

The partial grid samples were heated under the temperature and steam which postulated LOCA, and the impact testing were conducted using the partial grid samples. As a result of the testing, the structures were maintained to achieve the long term core cooling after LOCA.