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Performance analysis on a volumetric solar receiver with an annular inner window

Author

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  • Li, Xiao-Lei
  • Xia, Xin-Lin
  • Sun, Chuang
  • Chen, Zhi-Hao

Abstract

Large temperature gradient and local hot spot in solar receiver seriously impact the operation safety and thermal performance. To improve the temperature uniformity of porous foam absorber in a volumetric solar receiver, this work presents a receiver with an annular inner window to reshape the fluid field in the receiver. To examine the improvement effect of the proposed receiver, one numerical model is developed to analyze the coupled heat transfer in the receiver. The model takes the propagation of concentrated solar irradiation and thermal radiation in the consideration by using the Monte-Carlo ray tracing method. The effects of the inner window on the fluid flow and temperature distribution of the absorber as well as the efficiency of the receiver are analyzed. The results show that the standard difference of temperature in absorber of the proposed receiver is 35–158.6 K lower than that of the single windowed one, and the thermal efficiency is increased by 2.86%–7.18%, within the inner radius of the annular window range of 15–45 mm and flow rate of 4–7 g/s. It is demonstrated that installing an annular window is an effective approach to improve the uniformity of absorber temperature while increasing the thermal performance.

Suggested Citation

  • Li, Xiao-Lei & Xia, Xin-Lin & Sun, Chuang & Chen, Zhi-Hao, 2021. "Performance analysis on a volumetric solar receiver with an annular inner window," Renewable Energy, Elsevier, vol. 170(C), pages 487-499.
    • Handle: RePEc:eee:renene:v:170:y:2021:i:c:p:487-499
    DOI: 10.1016/j.renene.2021.01.141
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    Citations

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    Cited by:

    1. Avila-Marin, Antonio L., 2022. "CFD parametric analysis of wire meshes open volumetric receivers with axial-varied porosity and comparison with small-scale solar receiver tests," Renewable Energy, Elsevier, vol. 193(C), pages 1094-1105.
    2. Rodríguez-Sánchez, M.R. & Laporte-Azcué, M. & Montoya, A. & Hernández-Jiménez, F., 2022. "Non-conventional tube shapes for lifetime extend of solar external receivers," Renewable Energy, Elsevier, vol. 186(C), pages 535-546.
    3. Avila-Marin, Antonio L. & Fernandez-Reche, Jesus & Gianella, Sandro & Ferrari, Luca & Sanchez-Señoran, Daniel, 2022. "Experimental study of innovative periodic cellular structures as air volumetric absorbers," Renewable Energy, Elsevier, vol. 184(C), pages 391-404.
    4. Li, Xueling & Li, Renfu & Chang, Huawei & Zeng, Lijian & Xi, Zhaojun & Li, Yichao, 2022. "Numerical simulation of a cavity receiver enhanced with transparent aerogel for parabolic dish solar power generation," Energy, Elsevier, vol. 246(C).
    5. Chen, Xue & Lyu, Jinxin & Sun, Chuang & Xia, Xinlin & Wang, Fuqiang, 2023. "Pore-scale evaluation on a volumetric solar receiver with different optical property control strategies," Energy, Elsevier, vol. 278(PB).
    6. Chen, Yuxuan & Wang, Ding & Zou, Chongzhe & Gao, Wei & Zhang, Yanping, 2022. "Thermal performance and thermal stress analysis of a supercritical CO2 solar conical receiver under different flow directions," Energy, Elsevier, vol. 246(C).

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