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Air-Type Vacuum-Tube Solar Collector Design and Heat Collection Performance Test

Author

Listed:
  • Chuanhui Zhu

    (The College of Electrical Engineering, Zhejiang University of Water Resources and Electric Power, Hangzhou 310018, China)

  • Xiaodong Dong

    (Tibet Autonomous Region Energy Research Demonstration Center, Xizang 850000, China)

  • Shubin Yan

    (The College of Electrical Engineering, Zhejiang University of Water Resources and Electric Power, Hangzhou 310018, China
    The Zhejiang-Belarus Joint Laboratory of Intelligent Equipment and System for Water Conservancy and Hydro-Power Safety Monitoring, Hangzhou 310018, China)

  • Yang Cui

    (The College of Electrical Engineering, Zhejiang University of Water Resources and Electric Power, Hangzhou 310018, China)

  • Quanquan Luo

    (School of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China)

Abstract

With the continuous development and utilization of clean energy, the thermal utilization of solar energy is an important research direction. In view of the problems of the low utilization rate of solar heat in alpine regions of solar energy, an air-type vacuum-tube solar collector (AVSC) with air as the heat-exchange medium was designed. The vacuum tube of the solar heat collector adopted a double-pass spiral direct-current structure, and the vacuum tube had a built-in heat-storage rod. In order to test the heat collection performance of the designed air evacuated-tube solar collector, a heat collection performance test of the collector was conducted. The results showed that the average heat collection efficiency of the vacuum tube solar collector without phase-change heat-storage rods was 38%. The evacuated-tube solar collector using water as the heat transfer medium had an average heat collection efficiency of 58%. The average equivalent heat collection efficiency of the AVSC with a built-in phase-change heat-storage rod was 61%.

Suggested Citation

  • Chuanhui Zhu & Xiaodong Dong & Shubin Yan & Yang Cui & Quanquan Luo, 2022. "Air-Type Vacuum-Tube Solar Collector Design and Heat Collection Performance Test," Energies, MDPI, vol. 15(15), pages 1-10, August.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:15:p:5679-:d:880737
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    References listed on IDEAS

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    1. Chen, Hongbing & Zhang, Lei & Jie, Pengfei & Xiong, Yaxuan & Xu, Peng & Zhai, Huixing, 2017. "Performance study of heat-pipe solar photovoltaic/thermal heat pump system," Applied Energy, Elsevier, vol. 190(C), pages 960-980.
    2. Georgiev, A., 2008. "Testing solar collectors as an energy source for a heat pump," Renewable Energy, Elsevier, vol. 33(4), pages 832-838.
    3. Huang, Wenzhu & Ji, Jie & Xu, Ning & Li, Guiqiang, 2016. "Frosting characteristics and heating performance of a direct-expansion solar-assisted heat pump for space heating under frosting conditions," Applied Energy, Elsevier, vol. 171(C), pages 656-666.
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    Cited by:

    1. Fernando del Ama Gonzalo & Belén Moreno Santamaría & Juan A. Hernández Ramos, 2022. "Assessment of Water Flow Glazing as Building-Integrated Solar Thermal Collector," Sustainability, MDPI, vol. 15(1), pages 1-21, December.

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