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Effect of aspect ratio on thermal performance of cavity receiver for solar parabolic dish concentrator: An experimental study

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  • Venkatachalam, Thirunavukkarasu
  • Cheralathan, M.

Abstract

Proper design of the receiver is vital to maximize the performance of solar parabolic dish concentrator. In this paper, an experimental study on the thermal performance of the conical cavity receiver with different aspect ratios for solar parabolic dish concentrator is presented. The receivers of aspect ratio 0.8, 1.0 and 1.2 are constructed for a given cone angle and tested in bright sunny days with average beam radiation above 600 W/m2. The energy efficiency, exergy efficiency and overall heat loss factor of the receivers were evaluated and compared. As expected, the receiver surface temperature got reduced with increase in aspect ratio. However the thermal performance is observed to decrease. The receiver with aspect ratio of 0.8 shown highest performance among all the receivers tested. It is revealed that reduction in receiver surface temperature alone is not adequate to improve the thermal performance, the surface area is also an influencing factor. Hence the aspect ratio of the receiver has a significant impact on the thermal performance and should be carefully chosen while designing the receiver. The results presented in this work are useful for further optimization of the receiver design.

Suggested Citation

  • Venkatachalam, Thirunavukkarasu & Cheralathan, M., 2019. "Effect of aspect ratio on thermal performance of cavity receiver for solar parabolic dish concentrator: An experimental study," Renewable Energy, Elsevier, vol. 139(C), pages 573-581.
    • Handle: RePEc:eee:renene:v:139:y:2019:i:c:p:573-581
    DOI: 10.1016/j.renene.2019.02.102
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    References listed on IDEAS

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    1. Reddy, K.S. & Natarajan, Sendhil Kumar & Veershetty, G., 2015. "Experimental performance investigation of modified cavity receiver with fuzzy focal solar dish concentrator," Renewable Energy, Elsevier, vol. 74(C), pages 148-157.
    2. Daabo, Ahmed M. & Mahmoud, Saad & Al-Dadah, Raya K., 2016. "The optical efficiency of three different geometries of a small scale cavity receiver for concentrated solar applications," Applied Energy, Elsevier, vol. 179(C), pages 1081-1096.
    3. Azzouzi, Djelloul & Boumeddane, Boussad & Abene, Abderahmane, 2017. "Experimental and analytical thermal analysis of cylindrical cavity receiver for solar dish," Renewable Energy, Elsevier, vol. 106(C), pages 111-121.
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    Cited by:

    1. Kasaeian, Alibakhsh & Kouravand, Amir & Vaziri Rad, Mohammad Amin & Maniee, Siavash & Pourfayaz, Fathollah, 2021. "Cavity receivers in solar dish collectors: A geometric overview," Renewable Energy, Elsevier, vol. 169(C), pages 53-79.
    2. Zhang, Xueyan & Gao, Teng & Liu, Yang & Chen, Fei, 2023. "Construction and concentrating performance of a critically truncated compound parabolic concentrator without light escape," Energy, Elsevier, vol. 269(C).
    3. Amir Hossein Arkian & Gholamhassan Najafi & Shiva Gorjian & Reyhaneh Loni & Evangelos Bellos & Talal Yusaf, 2019. "Performance Assessment of a Solar Dryer System Using Small Parabolic Dish and Alumina/Oil Nanofluid: Simulation and Experimental Study," Energies, MDPI, vol. 12(24), pages 1-22, December.
    4. Thirunavukkarasu, V. & Cheralathan, M., 2020. "An experimental study on energy and exergy performance of a spiral tube receiver for solar parabolic dish concentrator," Energy, Elsevier, vol. 192(C).
    5. Wang, Ding & Chen, Yuxuan & Xiao, Hu & Zhang, Yanping, 2022. "Effects of geometric and operating parameters on thermal performance of conical cavity receivers using supercritical CO2 as heat transfer fluid," Renewable Energy, Elsevier, vol. 185(C), pages 804-819.
    6. Ang, Daniel & Chinnici, Alfonso & Tian, Zhao F. & Saw, Woei L. & Nathan, Graham J., 2022. "Influence of particle loading, Froude and Stokes number on the global thermal performance of a vortex-based solar particle receiver," Renewable Energy, Elsevier, vol. 184(C), pages 201-214.
    7. 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).
    8. Hassan, Atazaz & Quanfang, Chen & Abbas, Sajid & Lu, Wu & Youming, Luo, 2021. "An experimental investigation on thermal and optical analysis of cylindrical and conical cavity copper tube receivers design for solar dish concentrator," Renewable Energy, Elsevier, vol. 179(C), pages 1849-1864.
    9. 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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