[1C13-18] Light Water Reactor Behavior Under Accident Conditions 1

[1C16] A Study on The Boiling Transition in RIAs (Cold RIA)

(2)Transient critical heat flux with 3 x 3 bundle heated rapidly under atmospheric pressure

*Takahiro Arai¹, Masahiro Furuya¹, Kenetsu Shirakawa¹, Shun Watanabe¹, Hiroki Takiguchi¹, Yuichi Sago², Kenichi Harada² (1. CRIEPI, 2. Chubu Electric Power)

Keywords:RIA, Transient Critical Heat Flux, 3×3 Rod Bundle, Rapid Heating, Atmospheric Pressure

In order to derive transient CHF correlations during RIA, a 3 by 3 rod bundle was Joule-heated rapidly under atmospheric pressure. The transient CHF was clearly defined on the basis of the experiments and described as a function of initial water temperature and inlet velocity.