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Perspective of S−CO2 power cycles

Author

Listed:
  • Xu, Jinliang
  • Liu, Chao
  • Sun, Enhui
  • Xie, Jian
  • Li, Mingjia
  • Yang, Yongping
  • Liu, Jizhen

Abstract

In this perspective paper, the research and development of S-CO2 cycles are analyzed from two aspects: (i) the system design and analysis and (ii) energy transfer/conversion mechanisms and key components development. Based on the analysis, barriers for further promotion of S-CO2 cycles are summarized, including the lack of system design and analysis methodology, not well understood mechanisms of energy transfer/conversion, and technic barriers such as seal, leakage and roto-dynamics stability of key components. To overcome these issues, perspectives on three aspects are proposed. First, S-CO2 cycle adapting to the distinct characteristic of a heat source should be optimized to promote the global system efficiency. Second, new theoretical/numerical works are suggested emphasizing the real gas effect of S-CO2 to improve the accuracy, convergence and stability of numerical simulations, fine experiments should be expanded to verify the correctness of the numerical simulations. Third, the integrated solution strategies for key components such as intermediate heat exchanger, recuperator heat exchanger and turbomachines should be developed and verified in large-scale test loop for reliable and efficient operation. This critical review is hopefully to present readers a clue to promote the development of S-CO2 cycles driven by nuclear energy, renewable energy and fossil energy.

Suggested Citation

  • Xu, Jinliang & Liu, Chao & Sun, Enhui & Xie, Jian & Li, Mingjia & Yang, Yongping & Liu, Jizhen, 2019. "Perspective of S−CO2 power cycles," Energy, Elsevier, vol. 186(C).
    • Handle: RePEc:eee:energy:v:186:y:2019:i:c:s0360544219315038
    DOI: 10.1016/j.energy.2019.07.161
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    Citations

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    Cited by:

    1. Xu, Zirui & Chen, Wangnan & Lian, Jie & Yang, Xiongwei & Wang, Qiuwang & Chen, Yitung & Ma, Ting, 2022. "Study on mechanical stress of semicircular and rectangular channels in printed circuit heat exchangers," Energy, Elsevier, vol. 238(PA).
    2. He, Ya-Ling & Qiu, Yu & Wang, Kun & Yuan, Fan & Wang, Wen-Qi & Li, Ming-Jia & Guo, Jia-Qi, 2020. "Perspective of concentrating solar power," Energy, Elsevier, vol. 198(C).
    3. Linares, José I. & Montes, María J. & Cantizano, Alexis & Sánchez, Consuelo, 2020. "A novel supercritical CO2 recompression Brayton power cycle for power tower concentrating solar plants," Applied Energy, Elsevier, vol. 263(C).
    4. Zhao, Bingtao & Yao, Jiacheng & Su, Yaxin, 2023. "Performance response to operating-load fluctuations for Sub-megawatt-scale recuperated supercritical CO2 Brayton cycles: Characteristics and improvement," Renewable Energy, Elsevier, vol. 206(C), pages 686-693.
    5. Kareem, Olayinka Idowu, 2022. "Fruit safety regulations in the transatlantic region: How are Africa’s exports faring with the regulations?," Journal of Policy Modeling, Elsevier, vol. 44(5), pages 886-902.
    6. Yang, Jingze & Yang, Zhen & Duan, Yuanyuan, 2022. "A review on integrated design and off-design operation of solar power tower system with S–CO2 Brayton cycle," Energy, Elsevier, vol. 246(C).
    7. Liu, Zecheng & Zhong, Wenqi & Shao, Yingjuan & Liu, Xuejiao, 2022. "Conceptual design of a small-capacity supercritical CO2 coal-fired circulating fluidized bed boiler by an improved design calculation method," Energy, Elsevier, vol. 255(C).
    8. Khoshgoftar Manesh, M.H. & Mehrabian, M.J. & Nourpour, M. & Onishi, V.C., 2023. "Risk and 4E analyses and optimization of a novel solar-natural gas-driven polygeneration system based on Integration of Gas Turbine–SCO2–ORC-solar PV-PEM electrolyzer," Energy, Elsevier, vol. 263(PD).
    9. Liu, Chao & Xu, Jinliang & Li, Mingjia & Wang, Qingyang & Liu, Guanglin, 2022. "The comprehensive solution to decrease cooling wall temperatures of sCO2 boiler for coal fired power plant," Energy, Elsevier, vol. 252(C).
    10. Jiang, Dianqiang & Zhang, Dalin & Li, Xinyu & Wang, Shibao & Wang, Chenglong & Qin, Hao & Guo, Yanwen & Tian, Wenxi & Su, G.H. & Qiu, Suizheng, 2022. "Fluoride-salt-cooled high-temperature reactors: Review of historical milestones, research status, challenges, and outlook," Renewable and Sustainable Energy Reviews, Elsevier, vol. 161(C).
    11. Liu, Zecheng & Zhong, Wenqi & Shao, Yingjuan & Liu, Xuejiao, 2020. "Exergy analysis of supercritical CO2 coal-fired circulating fluidized bed boiler system based on the combustion process," Energy, Elsevier, vol. 208(C).

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