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Experimental study on the shading performance of a window integrated with grid shading configuration

机译:网格遮荫配置集成窗口遮蔽性能的实验研究

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摘要

The aim of the current article is to investigate the shading performance resulted from windows integrated with grid shading configuration and air gap. First, a geometric method based on a light tracing algorithm was presented in order to evaluate the shading performance of complex fenestration system. The consequential energy consumption of a typical residential building structure with complex window system was analyzed. Then a scale experiment setup was built to validate the geometric method. Transient System Simulation Program (TRNSYS) or experiment method is not applicable in the case of complex configurations, and, therefore, the geometric method is an acceptable alternative way to evaluate the shading performance of such window systems. According to the comparison between window surface temperature and indoor air temperature, the window with an air gap and grid shading configuration were proved to be capable of achieving a better thermal insulation in buildings and be more energy efficient. Finally, based on the geometric method, a detailed parameter analysis on grid shading configuration was also conducted. The optimal shading configuration size was discussed, for the specified typical residential building structure applied in the current article, the optimal grid shading configuration in Shanghai (warm-humid climate zone) is pitch to width ratio = 6, which could efficiently improve the energy systems by 38%.
机译:目前物品的目的是研究由网格遮蔽配置和气隙集成的Windows导致的阴影性能。首先,提出了一种基于光跟踪算法的几何方法,以评估复杂更敏感系统的阴影性能。分析了复杂窗口系统的典型住宅建筑结构的相应能耗。然后构建尺度实验设置以验证几何方法。在复杂配置的情况下,瞬态系统仿真程序(TRNSYS)或实验方法不适用于,因此,几何方法是评估这种窗口系统的阴影性能的可接受的替代方法。根据窗口表面温度和室内空气温度之间的比较,证明了具有气隙和栅格遮蔽配置的窗口能够实现建筑物中更好的隔热性并更节能。最后,基于几何方法,还进行了对网格着色配置的详细参数分析。讨论了最佳的遮光配置大小,对于当前文章中应用的指定典型的住宅建筑结构,上海(温湿润气候区)的最佳网格遮蔽配置是宽度比= 6,这可以有效地改善能量系统38%。

著录项

  • 来源
  • 作者

    Lai Kun; Wang Wen; Giles Harry;

  • 作者单位

    Shanghai Jiao Tong Univ Inst Refrigerat &

    Cryogen 800 Dongchuan Rd Shanghai 200240 Peoples R China;

    Shanghai Jiao Tong Univ Inst Refrigerat &

    Cryogen 800 Dongchuan Rd Shanghai 200240 Peoples R China;

    Univ Michigan A Alfred Taubman Coll Architecture &

    Urban Planni Ann Arbor MI 48109 USA;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 建筑基础科学;
  • 关键词

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