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Luminous impact of balcony floor at atrium spaces with different well geometries

机译:不同井眼几何形状的中庭空间阳台地板的发光影响

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摘要

The atrium concept allows the exploitation of daylighting by bringing natural light into the center of the buildings, thus enhancing a more even distribution of daylight. The configuration of interior balconies, however, is determined based on the purpose of the interior space and the use of the building, which may defeat the primary daylighting advantages inherent in the atrium concept. The authors have developed insights regarding the critical daylighting performance factors by evaluating the relative effect of various interior balcony configurations on illumination level and its distribution with different atrium geometries. For these, parametric measurements of illumination level with a scale model of a four-sided atrium building and various interior balcony configurations have been conducted under diffuse sky conditions within the sky simulator at a Texas university. This paper represents the atrium performance results in terms of daylight factor, Well index, balcony Well index, the configuration of interior balcony, and the results are compared with basecase atria without any interior balcony. As expected, Well index and balcony depth are the most significant factors in daylighting performance in atrium spaces with interior balconies. For the position not covered by balcony, adequate illumination can be achieved for circulation regardless of building Well index and balcony depth although it may be that involved well indices are relatively low. On the other hand, light attenuation on the position under balcony floor is up to 70-90%, in particular, when the Well index becomes higher than 1 m and balcony floor becomes deeper than 3 m.
机译:中庭概念通过将自然光引入建筑物的中心来利用日光,从而增强了日光的均匀分布。但是,基于内部空间的目的和建筑物的使用来确定内部阳台的配置,这可能会破坏中庭概念固有的主要采光优势。作者通过评估各种内部阳台配置对照明水平及其在不同中庭几何形状下的分布的相对影响,对关键的采光性能因素有了深入的了解。为此,在德克萨斯大学的天空模拟器中,在漫长的天空条件下,使用四侧中庭建筑的比例模型和各种内部阳台配置对照明水平进行了参数测量。本文以日光因子,孔指数,阳台孔指数,室内阳台的构型表示中庭性能结果,并将结果与​​没有任何室内阳台的基本情况心房进行比较。不出所料,在带有内部阳台的中庭空间中,井指数和阳台深度是影响采光性能的最重要因素。对于不被阳台覆盖的位置,尽管建筑物的井指数和阳台深度可能较低,但无论建筑物的井指数和阳台深度如何,都可以实现足够的照明以进行循环。另一方面,特别是当Well指数大于1 m且阳台地面深于3 m时,阳台地面下位置的光衰减高达70-90%。

著录项

  • 来源
    《Building and Environment》 |2010年第2期|304-310|共7页
  • 作者

    Gon Kim; Jeong Tai Kim;

  • 作者单位

    Division of Architecture, Kangwon National University, Chuncheon, Gangwon-do 200-701, South Korea;

    Department of Architectural Engineering, Kyung Hee University, Vongin, Gyeonggi-do 446-701, South Korea;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    daylighting; balcony; atrium; light well; skylight;

    机译:采光阳台;心房很好天空之光;
  • 入库时间 2022-08-17 23:54:37

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