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Numerical analysis of heat transfer in a composite wall solar-collector system with a porous absorber

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  • Chen, Wei
  • Liu, Wei

Abstract

In this paper, heat transfer and air flow in a composite-wall solar-collector system with a porous absorber has been studied. The [`]unsteady' numerical simulation is conducted to analyze the performance of heat transfer and air flow in the composite wall. The excess heat is stored in the porous absorber by the incident solar radiation, which leads to a temperature gradient in the porous layer, so that the absorber can work as a good thermal-insulator when sunlight is not available. The influences of the particle size and the porosity of the porous absorber on the air temperature in the heated room are significant. The results show that all these factors should be taken into account for a better design of the passive solar-heating system.

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  • Chen, Wei & Liu, Wei, 2004. "Numerical analysis of heat transfer in a composite wall solar-collector system with a porous absorber," Applied Energy, Elsevier, vol. 78(2), pages 137-149, June.
    • Handle: RePEc:eee:appene:v:78:y:2004:i:2:p:137-149
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    Citations

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    Cited by:

    1. Kabeel, A.E. & Hamed, Mofreh H. & Omara, Z.M. & Kandeal, A.W., 2017. "Solar air heaters: Design configurations, improvement methods and applications – A detailed review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 70(C), pages 1189-1206.
    2. Quesada, Guillermo & Rousse, Daniel & Dutil, Yvan & Badache, Messaoud & Hallé, Stéphane, 2012. "A comprehensive review of solar facades. Opaque solar facades," Renewable and Sustainable Energy Reviews, Elsevier, vol. 16(5), pages 2820-2832.
    3. Özşimşek, Atılgan Onurcan & Omar, Muhammed Arslan, 2024. "A numerical study on the effect of employing porous medium on thermal performance of a PV/T system," Renewable Energy, Elsevier, vol. 226(C).
    4. Chen, Wei & Liu, Wei, 2006. "Numerical simulation of the airflow and temperature distribution in a lean-to greenhouse," Renewable Energy, Elsevier, vol. 31(4), pages 517-535.
    5. Yu, Bendong & He, Wei & Li, Niansi & Wang, Liping & Cai, Jingyong & Chen, Hongbing & Ji, Jie & Xu, Gang, 2017. "Experimental and numerical performance analysis of a TC-Trombe wall," Applied Energy, Elsevier, vol. 206(C), pages 70-82.
    6. María José Suárez López & Antonio José Gutiérrez Trashorras & Jorge Luis Parrondo Gayo & Eduardo Blanco Marigorta, 2018. "Analysis of an Attached Sunspace with a Thermal Inertia Floor," Energies, MDPI, vol. 11(5), pages 1-14, May.
    7. Gu, Tao & Li, Niansi & Li, Yulin & Che, Lei & Yu, Bendong & Liu, Huifang, 2023. "A novel Trombe wall with photo-thermal synergistically catalytic purification blinds: Material and experimental performance study," Energy, Elsevier, vol. 278(PB).
    8. Rashidi, Saman & Esfahani, Javad Abolfazli & Rashidi, Abbas, 2017. "A review on the applications of porous materials in solar energy systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 73(C), pages 1198-1210.
    9. Yu, Zhi-Qiang & Feng, Yong-Liang & Zhou, Wen-Jing & Jin, Yu & Li, Ming-Jie & Li, Zeng-Yao & Tao, Wen-Quan, 2013. "Study on flow and heat transfer characteristics of composite porous material and its performance analysis by FSP and EDEP," Applied Energy, Elsevier, vol. 112(C), pages 1367-1375.
    10. Abdulmajeed Mohamad & Jan Taler & Paweł Ocłoń, 2019. "Trombe Wall Utilization for Cold and Hot Climate Conditions," Energies, MDPI, vol. 12(2), pages 1-18, January.
    11. Cai, Yonghua & Fang, Zhou & Chen, Ben & Yang, Tianqi & Tu, Zhengkai, 2018. "Numerical study on a novel 3D cathode flow field and evaluation criteria for the PEM fuel cell design," Energy, Elsevier, vol. 161(C), pages 28-37.
    12. Chen, Wei & Chen, Wei, 2020. "Analysis of heat transfer and flow in the solar chimney with the sieve-plate thermal storage beds packed with phase change capsules," Renewable Energy, Elsevier, vol. 157(C), pages 491-501.
    13. Xie, Hao & Yu, Bendong & Wang, Jun & Ji, Jie, 2021. "A novel disinfected Trombe wall for space heating and virus inactivation: Concept and performance investigation," Applied Energy, Elsevier, vol. 291(C).
    14. Wang, Dengjia & Hu, Liang & Du, Hu & Liu, Yanfeng & Huang, Jianxiang & Xu, Yanchao & Liu, Jiaping, 2020. "Classification, experimental assessment, modeling methods and evaluation metrics of Trombe walls," Renewable and Sustainable Energy Reviews, Elsevier, vol. 124(C).
    15. Xiaohang Shen & Nianping Li & Jiao Lu & Yongga A, 2020. "Heating Performance of Solar Building Integrated Wall under Natural Circulation," Energies, MDPI, vol. 13(23), pages 1-22, November.

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