APPARATUS FOR SEVERE ACCIDENT SURVIVABLITY ASSESSMENT OF NUCLEAR PLANT DEVICES BY SPECIMEN MOVEMENT IN TEMPERATURE GRADIENT REGION AND METHOD FOR SEVERE ACCIDENT SURVIVABLITY ASSESSMENT OF NUCLEAR PLANT DEVICES USING THE SAME

摘要

In the nuclear reactor accident criticality evaluation test apparatus and the nuclear reactor accident criticality evaluation test method, the survival evaluation test apparatus includes a chamber for receiving a fluid therein for simulation of a nuclear accident, A temperature gradient simulator capable of heating or cooling the fluid to form a temperature gradient region of the fluid, and a controller configured to control the temperature of the specimen in the first direction And a sample moving unit for moving the sample moving unit. The influence of the test piece on the temperature of the fluid can be easily measured while the test piece is moved in the temperature gradient range.