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《Nuclear Science and Engineering》 2016-03
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The shielding calculation for China Experiment Fast Reactor core with three-dimensional SN method

WANG Shi-xi;WU Ming-yu;ZHANG Qiang;YANG Yong;WANG Feng-long;China Institute of Atomic Energy;  
Discrete ordinates(SN) method is the most widely used method for reactor shielding calculation,As the fast development of calculation capacity and consummation of three-dimensional(3-D) SN method.it is mature for 3-D SN method to be used for reactor shielding design for nuclear facilities.This work was done specifically for China Experiment Fast Reactor(CEFR) core model.The fuel assembly power fraction,the power of assembly,DPA,the integral fast neutron fluence of boarding and headerthrottle structure in life were calculated by 3-D SN method.These results were compared with two-dimensional(2-D) SN method and Russia design report.The research result show that the 3-D SN method can reduce the discrepancy during the model equivalence、the result is reliable,and can be utilized to shielding design for largescale fast reactors core.
【CateGory Index】: TL329.2
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