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Thermal economic analysis of a double-channel solar air collector coupled with draught fan: Based on energy grade

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  • Dong, Zhang
  • Chang, Liu
  • Jianjun, Zhang
  • Jinlong, Jing
  • Zhoujian, An
  • Linjun, Wang

Abstract

This study aimed to establish an experimental system to strengthen the popularization of flat-plate solar air collectors. Flat-plate solar collectors have been studied for years, but economic researches based on energy grade are insufficient. Using the analogical principle of fan, the relationship between the air mass flow rate and the power consumption of a fan was built. Taking net heat production and economy as the criteria, the influence of air mass flow rate on the collector system was studied. The relative coefficient of the energy grade, which can provide a balance point between the power and the heat for the net production analysis of the system, was defined. The heat production benefits and the power consumption costs were used to evaluate the experimental system using four cities as examples. On the basis of this evaluation method, the impact of energy grade on the economics of the system was studied.

Suggested Citation

  • Dong, Zhang & Chang, Liu & Jianjun, Zhang & Jinlong, Jing & Zhoujian, An & Linjun, Wang, 2021. "Thermal economic analysis of a double-channel solar air collector coupled with draught fan: Based on energy grade," Renewable Energy, Elsevier, vol. 170(C), pages 936-947.
    • Handle: RePEc:eee:renene:v:170:y:2021:i:c:p:936-947
    DOI: 10.1016/j.renene.2021.02.051
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    Citations

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    Cited by:

    1. Krzysztof Dutkowski & Marcin Kruzel & Jacek Fiuk & Krzysztof Rokosz & Iwona Michalska-Pożoga & Marcin Szczepanek, 2023. "Experimental Studies on the Influence of Spatial Orientation of a Passive Air Solar Collector on Its Efficiency," Energies, MDPI, vol. 16(10), pages 1-13, May.
    2. Hu, Mingke & Zhao, Bin & Suhendri, & Cao, Jingyu & Wang, Qiliang & Riffat, Saffa & Su, Yuehong & Pei, Gang, 2022. "Extending the operation of a solar air collector to night-time by integrating radiative sky cooling: A comparative experimental study," Energy, Elsevier, vol. 251(C).

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