DOI QR코드

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Research on the structure design of the LBE reactor coolant pump in the lead base heap

  • Lu, Yonggang (National Research Center of Pumps, Jiangsu University) ;
  • Zhu, Rongsheng (National Research Center of Pumps, Jiangsu University) ;
  • Fu, Qiang (National Research Center of Pumps, Jiangsu University) ;
  • Wang, Xiuli (National Research Center of Pumps, Jiangsu University) ;
  • An, Ce (National Research Center of Pumps, Jiangsu University) ;
  • Chen, Jing (National Research Center of Pumps, Jiangsu University)
  • 투고 : 2018.03.31
  • 심사 : 2018.09.28
  • 발행 : 2019.04.25

초록

Since the first nuclear reactor first critical, nuclear systems has gone through four generations of history, and the fourth generation nuclear system will be truly realized in the near future. The notions of SVBR and lead-bismuth eutectic alloy coolant put forward by Russia were well received by the international nuclear science community. Lead-bismuth eutectic alloy with the ability of the better neutron economy, the low melting point, the high boiling point, the chemical inertness to water and air and other features, which was considered the most promising coolant for the 4th generation nuclear reactors. This study mainly focuses on the structural design optimization of the 4th-generation reactor coolant pump, including analysis of external characteristics, inner flow, and transient characteristic. It was found that: the reactor coolant pump with a central symmetrical dual-outlet volute structure has better radial-direction balance, the pump without guide vane has better hydraulic performance, and the pump with guide vanes has worse torsional vibration and pressure pulsation. This study serves as experience accumulation and technical support for the development of the 4th generation nuclear energy system.

키워드

참고문헌

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피인용 문헌

  1. The Influence and Optimization of Geometrical Parameters on Coast-Down Characteristics of Nuclear Reactor Coolant Pumps vol.7, pp.6, 2019, https://doi.org/10.3390/pr7060327
  2. Mathematical Modelling Forecast on the Idling Transient Characteristic of Reactor Coolant Pump vol.7, pp.7, 2019, https://doi.org/10.3390/pr7070452
  3. Study on pressure pulsation characteristics of reactor coolant pump during the idling transition process vol.25, pp.18, 2019, https://doi.org/10.1177/1077546319858856
  4. Study on bidirectional fluid-solid coupling characteristics of reactor coolant pump under steady-state condition vol.51, pp.7, 2019, https://doi.org/10.1016/j.net.2019.05.009
  5. Influence of Eccentricity on Hydrodynamic Characteristics of Nuclear Reactor Coolant Pump under Different Cavitation Conditions vol.8, pp.1, 2019, https://doi.org/10.3390/pr8010098
  6. Investigation of the effects of the impeller blades and vane blades on the CAP1400 nuclear coolant pump's performances with a united optimal design technology vol.126, 2019, https://doi.org/10.1016/j.pnucene.2020.103426
  7. Enhancing the performance of a long-life modified CANDLE fast reactor by using an enriched 208Pb as coolant vol.53, pp.2, 2019, https://doi.org/10.1016/j.net.2020.07.008
  8. Comparative analysis of internal flow characteristics of LBE-cooled fast reactor main coolant pump with different structures under reverse rotation accident conditions vol.53, pp.7, 2019, https://doi.org/10.1016/j.net.2021.01.015