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Transient Performance Analysis of the Solar Optical Guide Lighting System in Building Groups

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  • Fei Cao

    (College of Mechanical and Electrical Engineering, Hohai University, Changzhou 213022, China
    Lyles School of Civil Engineering, Sustainable Materials and Renewable Technology (SMART) Lab, Purdue University, West Lafayette, IN 47906, USA)

  • Heng Zhang

    (College of Mechanical and Electrical Engineering, Hohai University, Changzhou 213022, China)

  • Hao Zhou

    (College of Mechanical and Electrical Engineering, Hohai University, Changzhou 213022, China)

  • Na Lu

    (Lyles School of Civil Engineering, Sustainable Materials and Renewable Technology (SMART) Lab, Purdue University, West Lafayette, IN 47906, USA)

Abstract

With accelerating urbanization, lighting problems frequently appears for residents at lower levels of buildings. In order to solve the sunlight blocking problem between high buildings, a new solar optical guide lighting (SOGL) system is proposed in this study. Numerical simulations are carried out to evaluate the SOGL system according to the light distribution both inside the buildings and between building groups at different times. Experimental setups are built to validate the simulated results. Main factors influencing the optical efficiency are discussed. It is found from this study that the SOGL system can realize the lighting purpose inside and between high buildings. The shadow areas between buildings are lightened into acceptable levels. The stronger the solar irradiation is, the higher the optical efficiency would be. And decreasing the ratio of optical guide pipe length to its radius would lead to the rise of optical efficiency.

Suggested Citation

  • Fei Cao & Heng Zhang & Hao Zhou & Na Lu, 2018. "Transient Performance Analysis of the Solar Optical Guide Lighting System in Building Groups," Energies, MDPI, vol. 11(11), pages 1-13, October.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:11:p:2898-:d:178088
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    References listed on IDEAS

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    1. Yeo Beom Yoon & Rashmi Manandhar & Kwang Ho Lee, 2014. "Comparative Study of Two Daylighting Analysis Methods with Regard to Window Orientation and Interior Wall Reflectance," Energies, MDPI, vol. 7(9), pages 1-22, September.
    2. Dušan Katunský & Erika Dolníková & Bystrík Dolník, 2018. "Daytime Lighting Assessment in Textile Factories Using Connected Windows in Slovakia: A Case Study," Sustainability, MDPI, vol. 10(3), pages 1-20, February.
    3. Lingjiang Huang & Shuangping Zhao, 2017. "Perforated Thermal Mass Shading: An Approach to Winter Solar Shading and Energy, Shading and Daylighting Performance," Energies, MDPI, vol. 10(12), pages 1-18, November.
    4. Mc D. Saunders, R. & Simon, J. & Jahoor, S., 1996. "Use of diffuser in passive daylight solar lighting," Renewable Energy, Elsevier, vol. 8(1), pages 223-226.
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