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Development and Testing of a Modular Sunlight Transport System Employing Free-Form Mirrors

Author

Listed:
  • Allen Jong-Woei Whang

    (Department of Electronic and Computer Engineering, National Taiwan University of Science and Technology, Taipei City 10607, Taiwan)

  • Yi-Yung Chen

    (Graduate Institute of Color and Illumination Technology, National Taiwan University of Science and Technology, Taipei City 10607, Taiwan
    Graduate Institute of Electro-Optical Engineering, National Taiwan University of Science and Technology, Taipei City 10607, Taiwan)

  • Min-Yih Leu

    (Graduate Institute of Color and Illumination Technology, National Taiwan University of Science and Technology, Taipei City 10607, Taiwan)

  • Wei-Chieh Tseng

    (Department of Electronic and Computer Engineering, National Taiwan University of Science and Technology, Taipei City 10607, Taiwan)

  • Yu-Zheng Lin

    (Department of Electronic and Computer Engineering, National Taiwan University of Science and Technology, Taipei City 10607, Taiwan)

  • Hao-Wen Chang

    (Department of Electronic and Computer Engineering, National Taiwan University of Science and Technology, Taipei City 10607, Taiwan)

  • Chih-Hsien Tsai

    (Graduate Institute of Electro-Optical Engineering, National Taiwan University of Science and Technology, Taipei City 10607, Taiwan)

  • Yu-Cheng Liang

    (Graduate Institute of Electro-Optical Engineering, National Taiwan University of Science and Technology, Taipei City 10607, Taiwan)

  • Xin Zhang

    (Graduate Institute of Electro-Optical Engineering, National Taiwan University of Science and Technology, Taipei City 10607, Taiwan)

  • Cheng-Tse Lin

    (Graduate Institute of Electro-Optical Engineering, National Taiwan University of Science and Technology, Taipei City 10607, Taiwan)

  • Tzu-Chun Huang

    (Graduate Institute of Electro-Optical Engineering, National Taiwan University of Science and Technology, Taipei City 10607, Taiwan)

  • Cheng-Ming Chang

    (Department of Electronic and Computer Engineering, National Taiwan University of Science and Technology, Taipei City 10607, Taiwan)

  • Hsi-Chi Chen

    (Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei City 10607, Taiwan)

Abstract

The energy consumption of artificial lighting and its impacts on health have stimulated research into natural lighting systems. However, natural lighting system designs are mainly custom, making them costly and difficult to replicate. This study took an office space as a testing field in order to develop a highly adaptable and adjustable modular natural light illumination system. We divided the system into multiple module designs, demonstrated the use of simple development and fabrication processes and integrated a freeform reflector into the system. In creating a freeform mirror, the optical simulation results of the tested field were regressed (through polynomial regression) to achieve a uniformly illuminated plane, and a high-efficiency light-emitting system was produced. Finally, an active heliostat was used to collect sunlight, combined with actual manufacturing verification and measurement results, in order to create an excellent indoor lighting system. As a result, we presented a low-cost and easy-to-design natural light illumination system for the assisted lighting of office areas.

Suggested Citation

  • Allen Jong-Woei Whang & Yi-Yung Chen & Min-Yih Leu & Wei-Chieh Tseng & Yu-Zheng Lin & Hao-Wen Chang & Chih-Hsien Tsai & Yu-Cheng Liang & Xin Zhang & Cheng-Tse Lin & Tzu-Chun Huang & Cheng-Ming Chang &, 2022. "Development and Testing of a Modular Sunlight Transport System Employing Free-Form Mirrors," Energies, MDPI, vol. 15(2), pages 1-19, January.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:2:p:406-:d:719001
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    References listed on IDEAS

    as
    1. Gago, E.J. & Muneer, T. & Knez, M. & Köster, H., 2015. "Natural light controls and guides in buildings. Energy saving for electrical lighting, reduction of cooling load," Renewable and Sustainable Energy Reviews, Elsevier, vol. 41(C), pages 1-13.
    2. Gallaway, Terrel & Olsen, Reed N. & Mitchell, David M., 2010. "The economics of global light pollution," Ecological Economics, Elsevier, vol. 69(3), pages 658-665, January.
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