Study on Stability of Natural Circulation of LBE in Rectangular Circuit

Wang Xin; Kuang Bo; Wang Shuting; Hu Wenjun; Ren Lixia

doi:10.13832/j.jnpe.2023.S1.0062

Volume 44 Issue S1

Jun. 2023

Turn off MathJax

Article Contents

Article Navigation > Nuclear Power Engineering > 2023 > 44(S1): 62-68

Wang Xin, Kuang Bo, Wang Shuting, Hu Wenjun, Ren Lixia. Study on Stability of Natural Circulation of LBE in Rectangular Circuit[J]. Nuclear Power Engineering, 2023, 44(S1): 62-68. doi: 10.13832/j.jnpe.2023.S1.0062

Citation:

Wang Xin, Kuang Bo, Wang Shuting, Hu Wenjun, Ren Lixia. Study on Stability of Natural Circulation of LBE in Rectangular Circuit[J]. Nuclear Power Engineering, 2023, 44(S1): 62-68. doi: 10.13832/j.jnpe.2023.S1.0062

Citation:

PDF( 6056 KB)

Study on Stability of Natural Circulation of LBE in Rectangular Circuit

doi: 10.13832/j.jnpe.2023.S1.0062

1.
China Nuclear Power Technology Research Institute, Shenzhen, Guangdong, 518031, China
2.
School of Nuclear Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
3.
China Institute of Atomic Energy, Beijing, 102413, China

Received Date: 2023-02-21
Rev Recd Date: 2023-03-27
Publish Date: 2023-06-15

Abstract

Abstract

In order to analyze the stability of the natural circulation flow of lead-bismuth eutectic (LBE) in the rectangular circuit, and to obtain the factors affecting the natural circulation flow and the law of action, a one-dimensional system program FRTAC is developed by time-domain method to numerically calculate the lead-bismuth natural circulation, and its stability characteristics were determined by analyzing and processing the dynamic time series. The stability domain and stability boundary of the lead-bismuth natural circulation under the relevant operating conditions, the flow stability characteristics of the lead-bismuth natural circulation loop, as well as the influencing factors and laws are obtained. The results show that increasing the length of the heating section of the loop will increase the stability of the system, while increasing the loop diameter and the height difference between the hot and cold cores will decrease the stability margin and weaken the stability of the system.
- LBE (Lead-bismuth eutectic) natural circulation,
- Stability,
- Time-domain method,
- Fast reactor transient analysis code (FRTAC)

FullText(HTML)

References(11)

References

[1]	WANG X, KUANG B, HU W J, et al. Natural circulation with LBE as a working substance to be published in: progress in nuclear energy[J]. Progress in Nuclear Energy, 2022, 153: 104428. doi: 10.1016/j.pnucene.2022.104428
[2]	陈钊. 小型自然循环铅冷快堆SNCLFR-100热工水力设计与安全分析研究[D]. 合肥: 中国科学技术大学, 2015.
[3]	MA W M, KARBOJIAN A, SEHGAL B R. Experimental study on natural circulation and its stability in a heavy liquid metal loop[J]. Nuclear Engineering and Design, 2007, 237(15-17): 1838-1847. doi: 10.1016/j.nucengdes.2007.02.023
[4]	LU D G, ZHANG X, GUO C. Stability analysis for single-phase liquid metal rectangular natural circulation loops[J]. Annals of Nuclear Energy, 2014, 73: 189-199. doi: 10.1016/j.anucene.2014.06.014
[5]	WU Q, SIENICKI J J. Stability analysis on single-phase natural circulation in Argonne lead loop facility[J]. Nuclear Engineering and Design, 2003, 224(1): 23-32. doi: 10.1016/S0029-5493(03)00099-2
[6]	IDELCHIK I E. Handbook of hydraulic resistance[M]. 4th ed. New York: Begell House, Inc. , 2007.
[7]	CHENG X, TAK N I. Investigation on turbulent heat transfer to lead–bismuth eutectic flows in circular tubes for nuclear applications[J]. Nuclear Engineering and Design, 2006, 236(4): 385-393. doi: 10.1016/j.nucengdes.2005.09.006
[8]	陈听宽,荆建刚,罗毓珊. 并联管两相流不稳定性的研究[J]. 工程热物理学报,2002, 23(1): 99-102. doi: 10.3321/j.issn:0253-231X.2002.01.028
[9]	贾斗南. 沸腾传热和汽液两相流动[M]. 北京: 原子能出版社, 1993: 136-139.
[10]	YI T T, KOSHIZUKA S, OKA Y. A linear stability analysis of supercritical water reactors, (II): coupled neutronic thermal-hydraulic stability[J]. Journal of Nuclear Science and Technology, 2004, 41(12): 1176-1186. doi: 10.1080/18811248.2004.9726346
[11]	侯东,刘鹏飞,林萌,等. 加热通道内超临界流动的稳定性分析−频域分析[J]. 上海交通大学学报,2012, 46(4): 520-523. doi: 10.16183/j.cnki.jsjtu.2012.04.003