Abstract:
As the first fast reactor in China, the first clean core criticality of China Experimental Fast Reactor (CEFR) was achieved in 21st July, 2010, and then the cold criticality and hot criticality after a series of physical start-up tests were achieved. All the three criticality tests were fulfilled successfully and safely using control rod extrapolation method. Results of the tests testify the effectiveness and reasonability of the method and calculation results used for the tests. The comparison of control rods position between calculation and tests for the clean core and cold criticality shows good agreement.
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