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Wind barriers optimization for minimizing collector mirror soiling in a parabolic trough collector plant

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  • Moghimi, M.A.
  • Ahmadi, G.

Abstract

Wind barriers, according to their sizes and shapes, can effectively control, shift and even modify the airflow field in their downstream. These structures can accelerate the wind flow over the mirror field and move the airborne particles away from the mirrors. For example, in concentrated solar power plants it is highly desirable to engineer the system in a way that fewer particles are deposited within the solar field, in particular, onto mirror surfaces. Therefore, design optimization of dust barriers could significantly impact the mirror soiling and favourably reduce the cleaning water consumption of a solar power plant. This study focuses on the optimization of a solid wind barrier around a parabolic trough collector plant for their protection against dust soiling. The presented simulation results show that an optimum solid wind barrier is able to direct large amount of particles (in this study, more than 86%) to pass over the solar field with very small fraction (around 0.8%) being deposited on the mirrors. In addition, it was found that the barrier wall is more effective in deflecting the larger particles from the solar field.

Suggested Citation

  • Moghimi, M.A. & Ahmadi, G., 2018. "Wind barriers optimization for minimizing collector mirror soiling in a parabolic trough collector plant," Applied Energy, Elsevier, vol. 225(C), pages 413-423.
    • Handle: RePEc:eee:appene:v:225:y:2018:i:c:p:413-423
    DOI: 10.1016/j.apenergy.2018.05.027
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    1. Conceição, Ricardo & González-Aguilar, José & Merrouni, Ahmed Alami & Romero, Manuel, 2022. "Soiling effect in solar energy conversion systems: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 162(C).
    2. Chiteka, Kudzanayi & Arora, Rajesh & Sridhara, S.N. & Enweremadu, C.C., 2021. "Optimizing wind barrier and photovoltaic array configuration in soiling mitigation," Renewable Energy, Elsevier, vol. 163(C), pages 225-236.
    3. Sahar Bouaddi & Aránzazu Fernández-García & Chris Sansom & Jon Ander Sarasua & Fabian Wolfertstetter & Hicham Bouzekri & Florian Sutter & Itiziar Azpitarte, 2018. "A Review of Conventional and Innovative- Sustainable Methods for Cleaning Reflectors in Concentrating Solar Power Plants," Sustainability, MDPI, vol. 10(11), pages 1-25, October.
    4. Yunhong Shi & Davood Toghraie & Farzad Nadi & Gholamreza Ahmadi & As’ad Alizadeh & Long Zhang, 2021. "The effect of the pitch angle, two-axis tracking system, and wind velocity on the parabolic trough solar collector thermal performance," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 23(12), pages 17329-17348, December.
    5. You, Siming & Lim, Yu Jie & Dai, Yanjun & Wang, Chi-Hwa, 2018. "On the temporal modelling of solar photovoltaic soiling: Energy and economic impacts in seven cities," Applied Energy, Elsevier, vol. 228(C), pages 1136-1146.

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