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Acta Optica Sinica, Volume. 44, Issue 18, 1823001(2024)

Modeling and Energy Concentration Characteristics of Asymmetric Multi‑ Section Compound Parabolic Concentrator with Vacuum Tube Absorber

Yunfan Yi1,2, Canyang Zheng1,2, Liye Xiao1,2, Xin Dai1,2, and Fei Chen1,2、*
Author Affiliations
  • 1Faculty of Chemical Engineering, Kunming University of Science and Technology, Kunming 650500, Yunnan , China
  • 2Institute of Solar Energy Engineering, Kunming University of Science and Technology, Kunming 650500, Yunnan , China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (12)
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    References (25)
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    Figures & Tables(12)
    Geometric models of symmetric CPC and asymmetric N-CPC without light escape. (a) Symmetric CPC; (b) asymmetric N-CPC

    Fig. 1. Geometric models of symmetric CPC and asymmetric N-CPC without light escape. (a) Symmetric CPC; (b) asymmetric N-CPC

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    No light escape validation of N-CPC and SS-CPC. (a) N-CPC; (b) SS-CPC

    Fig. 2. No light escape validation of N-CPC and SS-CPC. (a) N-CPC; (b) SS-CPC

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    Physical model of N-CPC and its projected incidence angle

    Fig. 3. Physical model of N-CPC and its projected incidence angle

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    Flow chart of program calculations

    Fig. 4. Flow chart of program calculations

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    Verification experiment of NM-CPC reflector structure. (a) Laser experiment; (b) simulation

    Fig. 5. Verification experiment of NM-CPC reflector structure. (a) Laser experiment; (b) simulation

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    Experimental error analysis

    Fig. 6. Experimental error analysis

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    Optical efficiencies of NM-CPC and SS-CPC

    Fig. 7. Optical efficiencies of NM-CPC and SS-CPC

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    Energy flow density distributions on heat-absorbing surface at different incident angles. (a) 0°; (b) 15°; (c) 30°; (d) 45°

    Fig. 8. Energy flow density distributions on heat-absorbing surface at different incident angles. (a) 0°; (b) 15°; (c) 30°; (d) 45°

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    Total radiation collection during four seasons

    Fig. 9. Total radiation collection during four seasons

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    Variation of optical port width

    Fig. 10. Variation of optical port width

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    • Table 1. Some of main parameters of 3D printing equipment

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      Table 1. Some of main parameters of 3D printing equipment

      NumberItemValue
      1Specification of machine /（mm×mm×mm）750×750×850
      2Maximum manufacturing size /（mm×mm×mm）550×550×650
      3Diameter of nozzle /mm0.4
      4Precision of printing /mm0.05
      5Temperature of nozzle /K488.15
      6Temperature of hotbed /K333.15

    • Table 2. Peak energy flow density at high-temperature point on heat-absorbing surface

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      Table 2. Peak energy flow density at high-temperature point on heat-absorbing surface

      Type0°10°20°30°40°50°
      Reduced value0.777.0310.2012.0020.9039.11
      NM-CPC1.612.303.694.207.4514.51
      SS-CPC2.389.3313.8916.2028.3553.62
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    Yunfan Yi, Canyang Zheng, Liye Xiao, Xin Dai, Fei Chen. Modeling and Energy Concentration Characteristics of Asymmetric Multi‑ Section Compound Parabolic Concentrator with Vacuum Tube Absorber[J]. Acta Optica Sinica, 2024, 44(18): 1823001

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    Paper Information

    Category: Optical Devices

    Received: Dec. 14, 2023

    Accepted: Mar. 4, 2024

    Published Online: Sep. 11, 2024

    The Author Email: Chen Fei (solarcf@163.com)

    DOI:10.3788/AOS231933

    CSTR:32393.14.AOS231933

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology