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Heat flux transmission assessment of a vegetation wall influence on the building envelope thermal conductivity in Belgrade climate
Journal of Cleaner Production ( IF 11.1 ) Pub Date : 2019-02-11 , DOI: 10.1016/j.jclepro.2019.02.087
Budimir Sudimac , Bratislav Ilić , Vladimir Munćan , Aleksandar S. Anđelković

Vegetation integration in architectural buildings is one of the sustainable approaches for the building's facade development. The vegetation walls in architecture are innovative concepts of green building. This paper deals with the experimental and theoretical examination of vertically greened walls in the process of facade envelope optimization. The objective is to determine the contribution of the vegetation walls to the improvement of the energy properties of the envelope through experiments and models. The research analyzed the energy specificity of the vegetation walls and their contribution to the improvement of the thermal properties of the facade coating in Belgrade climatic conditions. For the research purposes, an experimental model was developed on which the relevant temperature values and thermal conductivity coefficients were measured. Measurements have shown that vegetation affects the reduction of the surface temperature of the envelope and affects the value of the thermal conductivity coefficient of the facade envelope. The research has shown that the facade wall containing plants has a significant influence on the temperature balance in the facade of the building. The methodology presented in this paper is based on the analysis of the climate characteristics in the measuring area, measurement of temperature values in the experimental model and comparative analysis. During the experiment, the vegetation elements were treated as elements that influence the façade envelope overheating reduction. It has been concluded, from previous researches, that by using the vegetation walls, the south-oriented wall has a lower thermal absorption and a lesser value of heat flux. Data analysis enabled the assessment of the thermal insulation efficiency of the wall using vegetation during the summer period. The proposed methodology enables a quantitative analysis of the effects of vertical greenery.



中文翻译:

贝尔格莱德气候中植被墙的热通量传递评估对建筑物围护结构导热性的影响

建筑建筑中的植被集成是建筑立面开发的可持续方法之一。建筑中的植被墙是绿色建筑的创新概念。在立面围护结构优化过程中,对垂直绿化的墙进行了实验和理论检验。目的是通过实验和模型确定植被壁对改善围护结构能量特性的贡献。该研究分析了植被壁的能量特异性及其在贝尔格莱德气候条件下对改善外墙涂料热性能的贡献。出于研究目的,建立了一个实验模型,在该模型上测量了相关的温度值和导热系数。测量表明,植被影响信封表面温度的降低,并影响立面信封的导热系数值。研究表明,包含植物的外墙对建筑物外墙的温度平衡有重大影响。本文介绍的方法是基于对测量区域气候特征的分析,实验模型中温度值的测量和比较分析。在实验过程中,将植被元素视为影响立面封套过热减少的元素。从以前的研究可以得出结论,通过使用植被墙,朝南的墙具有较低的热吸收和较小的热通量。数据分析可以评估夏季使用植被的墙体的隔热效率。所提出的方法能够对垂直绿化的影响进行定量分析。

更新日期:2019-02-11
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