Author Affiliations
1School of Nuclear Science and Technology, Xi'an Jiaotong Univeristy, Xi'an 710049, China2Institute of Morden Physics, Chinese Academy of Sciences, Lanzhou 730030, China3Guangdong Provincial Laboratory of Advanced Energy Science and Technology, Huizhou 516000, Chinashow less
Fig. 1. Assembly design of ADANES
Fig. 2. Burnup reactivity swing of UO2+Al2O3 case (a), UO2+ZrO2 case (b), UN+Al2O3 case (c) and UN+ZrO2 case (d)
Fig. 3. Comparsion of neutron spectra of 4 cases
Fig. 4. Computational results of Doppler coefficients of 4 cases
Fig. 5. Computational results of coolant density coefficients of 4 cases
Fig. 6. Computational results of coolant density coefficients of 4 cases
Fig. 7. The curve of relative flow rate versus time
Fig. 8. Curve of power change versus time
Fig. 9. Curve of coolant outlet temperature versus time
Fig. 10. Curve of maximum fuel temperature versus time
Fig. 11. Curve of average fuel temperature versus time
Fig. 12. Contribution of each reactivity feedback
Fig. 13. Variation of power after +0.5 $ reactivity linear insertion for 10 seconds
Fig. 14. Variation of maximum fuel temperature after +0.5 $ reactivity linear insertion for 10 s
Fig. 15. Variation of power change after +0.5 $ reactivity transient insertion
Fig. 16. Variation of maximum temperature after +0.5 $ reactivity transient insertion
Fig. 17. Variation of power after +1.0 $ reactivity transient insertion
Fig. 18. Variation of maximum temperature after +1.0 $ reactivity transient insertion
算例 Case | 燃料棒直径 Fuel rod diameter / mm | 冷却剂直径 Coolant channel diameter / mm | 算例 Case | 燃料棒直径 Fuel rod diameter / mm | 冷却剂直径 Coolant channel diameter / mm |
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Case 1 | 18 | 10 | Case 10 | 22 | 12 | Case 2 | 18 | 12 | Case 11 | 22 | 14 | Case 3 | 18 | 14 | Case 12 | 22 | 16 | Case 4 | 18 | 16 | Case 13 | 24 | 10 | Case 5 | 20 | 10 | Case 14 | 24 | 12 | Case 6 | 20 | 12 | Case 15 | 24 | 14 | Case 7 | 20 | 14 | Case 16 | 26 | 10 | Case 8 | 20 | 16 | Case 17 | 26 | 12 | Case 9 | 22 | 10 | | | |
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Table 1. The geomertry of different case
缓发中子分组 Group of delayed neutrons | 衰变常数 Decay constant | 缓发中子份额 Delayed neutron fraction |
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有效缓发中子份额 Effective delayed neutron fraction 0.007 02 中子代时间 Neutron generation time 3.126 746×10-6 | 1 | 0.012 553 | 0.000 180 | 2 | 0.031 470 | 0.001 044 | 3 | 0.110 486 | 0.001 047 | 4 | 0.326 614 | 0.003 243 | 5 | 1.320 308 | 0.001 138 | 6 | 9.096 608 | 0.000 364 |
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Table 2. The kinetic parameter used in the transient calculation