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CFD study of heat transfer and fluid flow in a parabolic trough solar receiver with internal annular porous structure and synthetic oil–Al2O3 nanofluid

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  • Bozorg, Mehdi Vahabzadeh
  • Hossein Doranehgard, Mohammad
  • Hong, Kun
  • Xiong, Qingang

Abstract

In this study, a finite volume method is employed to investigate the performance of a novel parabolic trough solar collector with synthetic oil–Al2O3 nanofluid as the heat transfer fluid. An annular porous structure is installed inside the absorber tube to improve heat transfer. The effects of the simultaneous utilization of porous structure and nanoparticle addition on heat transfer, pressure drop, and thermal efficiency of the receiver are investigated for different values of Reynolds number, volume fraction of nanoparticle, inlet temperature and Darcy number of the porous region. The results show that as Reynolds number and volume fraction of nanoparticle increase, heat transfer coefficient, pressure drop, and thermal efficiency increase. However, the increases in inlet temperature lead to the decreases in heat transfer coefficient, pressure drop, and thermal efficiency. At Reynolds numbers higher than 30×104, simultaneous utilization of porous structure with Da = 0.3 and nanoparticles increases heat transfer coefficients nearly 7% and 20%, pressure drops up to 42.5% and 42%, thermal efficiencies up to 8% and 15%, overall efficiencies nearly 5% and 14%, and exergetic efficiencies by 7% and 15% for inlet temperature of 500 and 600 K, respectively.

Suggested Citation

  • Bozorg, Mehdi Vahabzadeh & Hossein Doranehgard, Mohammad & Hong, Kun & Xiong, Qingang, 2020. "CFD study of heat transfer and fluid flow in a parabolic trough solar receiver with internal annular porous structure and synthetic oil–Al2O3 nanofluid," Renewable Energy, Elsevier, vol. 145(C), pages 2598-2614.
    • Handle: RePEc:eee:renene:v:145:y:2020:i:c:p:2598-2614
    DOI: 10.1016/j.renene.2019.08.042
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    Citations

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    Cited by:

    1. Shaaban, S., 2021. "Enhancement of the solar trough collector efficiency by optimizing the reflecting mirror profile," Renewable Energy, Elsevier, vol. 176(C), pages 40-49.
    2. Farrell, C.C. & Osman, A.I. & Doherty, R. & Saad, M. & Zhang, X. & Murphy, A. & Harrison, J. & Vennard, A.S.M. & Kumaravel, V. & Al-Muhtaseb, A.H. & Rooney, D.W., 2020. "Technical challenges and opportunities in realising a circular economy for waste photovoltaic modules," Renewable and Sustainable Energy Reviews, Elsevier, vol. 128(C).
    3. Xiao, Hui & Liu, Peng & Liu, Zhichun & Liu, Wei, 2021. "Performance analyses in parabolic trough collectors by inserting novel inclined curved-twisted baffles," Renewable Energy, Elsevier, vol. 165(P2), pages 14-27.
    4. Nabeel Abed & Imran Afgan & Andrea Cioncolini & Hector Iacovides & Adel Nasser, 2020. "Assessment and Evaluation of the Thermal Performance of Various Working Fluids in Parabolic Trough Collectors of Solar Thermal Power Plants under Non-Uniform Heat Flux Distribution Conditions," Energies, MDPI, vol. 13(15), pages 1-29, July.
    5. Asadi, Asgar & Kadijani, Omid Nouri & Doranehgard, Mohammad Hossein & Bozorg, Mehdi Vahabzadeh & Xiong, Qingang & Shadloo, Mostafa Safdari & Li, Larry K.B., 2020. "Numerical study on the application of biodiesel and bioethanol in a multiple injection diesel engine," Renewable Energy, Elsevier, vol. 150(C), pages 1019-1029.
    6. Akram, Naveed & Montazer, Elham & Kazi, S.N. & Soudagar, Manzoore Elahi M. & Ahmed, Waqar & Zubir, Mohd Nashrul Mohd & Afzal, Asif & Muhammad, Mohd Ridha & Ali, Hafiz Muhammad & Márquez, Fausto Pedro , 2021. "Experimental investigations of the performance of a flat-plate solar collector using carbon and metal oxides based nanofluids," Energy, Elsevier, vol. 227(C).
    7. Abu-Hamdeh, Nidal H. & Bantan, Rashad A.R. & Khoshvaght-Aliabadi, Morteza & Alimoradi, Ashkan, 2020. "Effects of ribs on thermal performance of curved absorber tube used in cylindrical solar collectors," Renewable Energy, Elsevier, vol. 161(C), pages 1260-1275.
    8. Amein, Hamza & Kassem, Mahmoud A. & Ali, Shady & Hassan, Muhammed A., 2021. "Integration of transparent insulation shells in linear solar receivers for enhanced energy and exergy performances," Renewable Energy, Elsevier, vol. 171(C), pages 344-359.
    9. Peng, Hao & Li, Meilin & Liang, Xingang, 2020. "Thermal-hydraulic and thermodynamic performance of parabolic trough solar receiver partially filled with gradient metal foam," Energy, Elsevier, vol. 211(C).
    10. Ajbar, Wassila & Parrales, A. & Huicochea, A. & Hernández, J.A., 2022. "Different ways to improve parabolic trough solar collectors’ performance over the last four decades and their applications: A comprehensive review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 156(C).
    11. Azizul, Fatin M. & Alsabery, Ammar I. & Hashim, Ishak & Chamkha, Ali J., 2021. "Impact of heat source on combined convection flow inside wavy-walled cavity filled with nanofluids via heatline concept," Applied Mathematics and Computation, Elsevier, vol. 393(C).
    12. Norouzi, Amir Mohammad & Siavashi, Majid & Ahmadi, Rouhollah & Tahmasbi, Milad, 2021. "Experimental study of a parabolic trough solar collector with rotating absorber tube," Renewable Energy, Elsevier, vol. 168(C), pages 734-749.
    13. Zhu, Lanlan & Awais, Muhammad & Javed, Hafiz Muhammad Asif & Mustafa, Muhammad Salman & Tlili, Iskander & Khan, Sami Ullah & Safdari Shadloo, Mostafa, 2020. "Photo-catalytic pretreatment of biomass for anaerobic digestion using visible light and Nickle oxide (NiOx) nanoparticles prepared by sol gel method," Renewable Energy, Elsevier, vol. 154(C), pages 128-135.

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