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Aiming strategy optimization for uniform flux distribution in the receiver of a linear Fresnel solar reflector using a multi-objective genetic algorithm

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  • Qiu, Yu
  • Li, Ming-Jia
  • Wang, Kun
  • Liu, Zhan-Bin
  • Xue, Xiao-Dai

Abstract

Non-uniform solar flux may lead to negative effects in the receiver of the linear Fresnel reflector (LFR), including the failure of the receiver and the fluctuating operation. For reducing these effects, an aiming strategy optimization approach is presented by combining a multi-objective Genetic Algorithm (GA) and Monte Carlo ray tracing to homogenize the flux distribution in current work. Both the flux non-uniformity index and the optical loss (ηloss) are used as the objective functions. Based on the approach, first, the flux distributions in the Multi-Tube Cavity Receiver (MTCR) and the Single-Tube Receiver with a Secondary Collector (STRSC) are optimized at a typical condition. Optimal results indicate that the GA optimization strategy (S2) can reach a compromise between the flux non-uniformity and the optical loss in both MTCR and STRSC systems. Furthermore, the optimal strategy obtained at a specific transversal incidence angle can be applied in a relatively large range around it. Moreover, parameter study indicates that the aiming line number (naim) has little impact on the efficiencies of the two systems. naim has almost no effect on the flux non-uniformity in the MTCR, but the effect is visible in the STRSC. Finally, the application of S2 under a real-time condition indicates that fluxes in the two receivers can be homogenized efficaciously in the whole time range with a small drop of 0.2–3.8 percentage points in efficiency compared with those of traditional one-line aiming strategy (S1). It is also found that the flux non-uniformity indexes of the MTCR are greatly reduced from 0.77–1.09 to 0.02–0.06 when S1 is replaced by S2, and those of the STRSC are steeply reduced from 0.59–0.70 to 0.29–0.37. It is concluded that the present approach is effective and suitable for homogenizing the fluxes in the receivers of LFRs.

Suggested Citation

  • Qiu, Yu & Li, Ming-Jia & Wang, Kun & Liu, Zhan-Bin & Xue, Xiao-Dai, 2017. "Aiming strategy optimization for uniform flux distribution in the receiver of a linear Fresnel solar reflector using a multi-objective genetic algorithm," Applied Energy, Elsevier, vol. 205(C), pages 1394-1407.
    • Handle: RePEc:eee:appene:v:205:y:2017:i:c:p:1394-1407
    DOI: 10.1016/j.apenergy.2017.09.092
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    2. López-Núñez, Oscar A. & Alfaro-Ayala, J. Arturo & Ramírez-Minguela, J.J. & Belman-Flores, J.M. & Jaramillo, O.A., 2020. "Optimization of a Linear Fresnel Reflector Applying Computational Fluid Dynamics, Entropy Generation Rate and Evolutionary Programming," Renewable Energy, Elsevier, vol. 152(C), pages 698-712.
    3. Barbón, A. & Bayón-Cueli, C. & Bayón, L. & Ayuso, P. Fortuny, 2020. "Influence of solar tracking error on the performance of a small-scale linear Fresnel reflector," Renewable Energy, Elsevier, vol. 162(C), pages 43-54.
    4. Abbas, R. & Sebastián, A. & Montes, M.J. & Valdés, M., 2018. "Optical features of linear Fresnel collectors with different secondary reflector technologies," Applied Energy, Elsevier, vol. 232(C), pages 386-397.
    5. Evangelos Bellos & Dimitrios N. Korres & Christos Tzivanidis, 2023. "Investigation of a Compound Parabolic Collector with a Flat Glazing," Sustainability, MDPI, vol. 15(5), pages 1-17, February.
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    8. Zhang, Yuanting & Qiu, Yu & Li, Qing & Henry, Asegun, 2022. "Optical-thermal-mechanical characteristics of an ultra-high-temperature graphite receiver designed for concentrating solar power," Applied Energy, Elsevier, vol. 307(C).
    9. Li, Qing & Wang, Jikang & Qiu, Yu & Xu, Mingpan & Wei, Xiudong, 2021. "A modified indirect flux mapping system for high-flux solar simulators," Energy, Elsevier, vol. 235(C).
    10. Dellicompagni, Pablo & Franco, Judith, 2019. "Potential uses of a prototype linear Fresnel concentration system," Renewable Energy, Elsevier, vol. 136(C), pages 1044-1054.
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    14. Vouros, Alexandros & Mathioulakis, Emmanouil & Papanicolaou, Elias & Belessiotis, Vassilis, 2019. "On the optimal shape of secondary reflectors for linear Fresnel collectors," Renewable Energy, Elsevier, vol. 143(C), pages 1454-1464.
    15. Eduardo González-Mora & Ma. Dolores Durán García, 2020. "Methodology for an Opto-Geometric Optimization of a Linear Fresnel Reflector for Direct Steam Generation," Energies, MDPI, vol. 13(2), pages 1-19, January.
    16. Wang, Kun & Li, Ming-Jia & Guo, Jia-Qi & Li, Peiwen & Liu, Zhan-Bin, 2018. "A systematic comparison of different S-CO2 Brayton cycle layouts based on multi-objective optimization for applications in solar power tower plants," Applied Energy, Elsevier, vol. 212(C), pages 109-121.
    17. Hai Wang & Yanxin Hu & Jinqing Peng & Mengjie Song & Haoteng Li, 2021. "Effects of Receiver Parameters on Solar Flux Distribution for Triangle Cavity Receiver in the Fixed Linear-Focus Fresnel Lens Solar Concentrator," Sustainability, MDPI, vol. 13(11), pages 1-21, May.
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    20. Wenjing Ding & Ying Zhou & Miao Gu & Jie Gong & Jinghao Xu, 2022. "Thermal Characteristic of Novel Insulation Materials Designed for Solar Simulator," Energies, MDPI, vol. 15(13), pages 1-13, July.
    21. Liang, Hongbo & Zhu, Chunguang & Fan, Man & You, Shijun & Zhang, Huan & Xia, Junbao, 2018. "Study on the thermal performance of a novel cavity receiver for parabolic trough solar collectors," Applied Energy, Elsevier, vol. 222(C), pages 790-798.
    22. Bai, Zhang & Liu, Qibin & Gong, Liang & Lei, Jing, 2019. "Investigation of a solar-biomass gasification system with the production of methanol and electricity: Thermodynamic, economic and off-design operation," Applied Energy, Elsevier, vol. 243(C), pages 91-101.
    23. Cheng, Ze-Dong & Zhao, Xue-Ru & He, Ya-Ling, 2018. "Novel optical efficiency formulas for parabolic trough solar collectors: Computing method and applications," Applied Energy, Elsevier, vol. 224(C), pages 682-697.
    24. Zhang, Xueyan & Li, Jiayue & Chen, Jun & Chen, Fei, 2023. "Preliminary investigation on optical performance of linear fresnel lens coupled compound parabolic concentrator," Energy, Elsevier, vol. 278(PA).

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