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Design and Thermal-Optical Environment Simulation of Double-Slope Greenhouse Roof Structure Based on Ecotect

Author

Listed:
  • Xuanhe Yang

    (Institute of Yantai, China Agricultural University, Yantai 264670, China)

  • Yunfei Ma

    (Institute of Yantai, China Agricultural University, Yantai 264670, China)

Abstract

At present, most double-slope greenhouse shade systems utilize insulation quilts on a portion of the roof to enhance the light and thermal environment for winter production. However, this method often leads to challenges such as uneven light distribution and significant heat dissipation. To improve the uniformity of light distribution and optimize the light and thermal environment inside a shade room, this study employed Ecotect software 2011 for simulating and analyzing the light and thermal conditions of a double-slope greenhouse shade system. The study aimed to investigate the optimal spacing and width of roof windows. The results demonstrated that a double-slope greenhouse with roof windows of 300 mm width spaced at 3000 mm intervals achieved optimal performance. This configuration yielded a light distribution uniformity of 74.4% and an average temperature of 8.1 °C. Such conditions are conducive to creating an environment suitable for cultivating edible mushrooms, thereby enhancing the quality and consistency of mushroom production. This paper provides an effective method for designing the roof structure of double-slope greenhouses to enhance light capture, thermal regulation, and energy efficiency.

Suggested Citation

  • Xuanhe Yang & Yunfei Ma, 2024. "Design and Thermal-Optical Environment Simulation of Double-Slope Greenhouse Roof Structure Based on Ecotect," Agriculture, MDPI, vol. 14(8), pages 1-21, August.
    • Handle: RePEc:gam:jagris:v:14:y:2024:i:8:p:1410-:d:1460191
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