Acknowledgement
This work was supported by the National Natural Science Foundation of China (No. 12005164), the China Scholarship Council (No. 202206280230), and technically supported by the Jiangsu Nuclear Power Co. Ltd. for the CNP1000 PWR modelling and simulation and by the Nuclear Safety Research Program through the Korea Foundation of Nuclear Safety (KoFONS) using the financial resource granted by the Nuclear Safety and Security Commission (NSSC) of the Republic of Korea (No. 2106075).
References
- Y.A. Chao, D.M. Chapman, D.J. Hill, et al., Dynamic rod worth measurement, Nucl. Technol. 132 (2000) 403-412, https://doi.org/10.13182/NT00-A3153.
- J. Bai, C. Wan, Y. Li, et al., Research of dynamic rod worth measurement technique based on the pin-by-pin response function, Ann. Nucl. Energy 193 (2023), 110039, https://doi.org/10.1016/j.anucene.2023.110039.
- S.G. Hong, J.S. Song, A preliminary simulation study of dynamic rod worth for the SMART (System-integrated Modular Advanced ReacTor) reactor, Ann. Nucl. Energy 60 (2013) 350-356, https://doi.org/10.1016/j.anucene.2013.05.014.
- B.E. Simmons, J.S. King, A pulsed neutron technique for reactivity determination, Nucl. Sci. Eng. 3 (1958) 595-608, https://doi.org/10.13182/NSE3-595-608.
- C.M. Persson, A. Fokau, I. Serafimovich, et al., Pulsed neutron source measurements in the subcritical ADS experiment YALINA-Booster, Ann. Nucl. Energy 35 (2008) 2357-2364, https://doi.org/10.1016/j.anucene.2008.07.011.
- C.M. Persson, P. Seltborg, A. Ahlander, et al., Analysis of reactivity determination methods in the subcritical experiment Yalina, Nucl. Instrum. Methods Phys. Res. Sect. A Accel. Spectrom. Detect. Assoc. Equip. 554 (2005) 374-383, https://doi.org/10.1016/j.nima.2005.07.058.
- V. Becares, D. Villamarin, M. Fernandez-Ordones, et al., Validation of ADS reactivity monitoring techniques in the Yalina-Booster subcritical assembly, Ann. Nucl. Energy 53 (2013) 331-341, https://doi.org/10.1016/j.anucene.2012.10.001.
- B. Wan, Q. Zhou, L. Chen, et al., Reactivity measurement at VENUS-II during control rods drop based on inverse kinetics method, Nucl. Eng. Des. 338 (2018) 284-289, https://doi.org/10.1016/j.nucengdes.2018.08.019.
- E.K. Lee, D.H. Park, H. Choi, Experimental determination of subcriticality at subcritical PWRs in Korea, Ann. Nucl. Energy 37 (2010) 1601-1608, https://doi.org/10.1016/j.anucene.2010.06.022.
- S. Moon, J.H. Kim, M.H. Kim, S.G. Hong, Subcriticality measurement using Feynman-a analysis with a fully random sampling and second-order filtering technique for AGN-201K, Trans. Am. Nucl. Soc. 121 (2019) 961-964. https://doi.org/10.13182/T31256
- S. Malkawi, F. Sweidan, H. Khalifech, Reactivity determination in a subcritical reactor: computational, analytical and experimental methods, Ann. Nucl. Energy 161 (2021), 108432, https://doi.org/10.1016/j.anucene.2021.108432.
- M. Tsuji, N. Suzuki, Y. Shimazu, Subcriticality measurement by neutron source multiplication method with a fundamental mode extraction, J. Nucl. Sci. Technol. 40 (2003) 158-169, https://doi.org/10.1080/18811248.2003.9715346.
- W. Naing, M. Tsuji, Y. Shimazu, The effect of neutron source distribution on subcriticality measurement of pressurized water reactors using the modified neutron source multiplication method, J. Nucl. Sci. Technol. 40 (2003) 951-958, https://doi.org/10.1080/18811248.2003.9715438.
- Y. Shimazu, M. Tsuji, T. Narabayashi, Examination of actual neutron count rate data during a control rod drop testing for estimation of control rod worth in PWRs, J. Nucl. Sci. Technol. 48 (2011) 353-358, https://doi.org/10.1080/18811248.2011.9711710.
- G. Truchet, W.F.G.V. Rooijen, Y. Shimazu, K. Yamaguchi, Application of the modified neutron source multiplication method to the prototype FBR Monju, Ann. Nucl. Energy 51 (2013) 94-106, https://doi.org/10.1016/j.anucene.2012.07.040.
- Y. Wang, Y. Zheng, L. Xu, L. Cao, NECP-hydra: a high-performance parallel SN code for core-analysis and shielding calculation, Nucl. Eng. Des. 366 (2020), 110711, https://doi.org/10.1016/j.nucengdes.2020.110711.
- L. Xu, H. Shen, J. Wei, et al., Study of the PWR ex-core detector response simulation based on the 3D SN method, Ann. Nucl. Energy 139 (2020), 107223, https://doi.org/10.1016/j.anucene.2019.107223.
- S.W. Smith, The Scientist and Engineer's Guide to Digital Signal Processing, California Technical Publishing, 1999.
- J. Bai, C. Wan, Y. Li, et al., A Source-expansion-based method for transient Pin-Power reconstruction, Ann. Nucl. Energy 164 (2021), 108565, https://doi.org/10.1016/j.anucene.2021.108565.