Experimental study of the influence of the vents on the thermal performance of a Trombe wall

IF 6.6 2区工程技术 Q1 CONSTRUCTION & BUILDING TECHNOLOGY

Energy and Buildings Pub Date : 2024-12-12 DOI:10.1016/j.enbuild.2024.115176

Afef Laribi, Sylvie Bégot, Dominique Surdyk, Yacine Ait-Oumeziane, Valérie Lepiller, Philippe Désévaux, Nour El Zein, Ana Ribeiro De Carvalho

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引用次数: 0

Abstract

This article presents an experimental study of a Trombe wall made of cellular concrete, associated with different vent configurations. The experiments were conducted in the laboratory using a Trombe wall connected to an adjacent room, under conditions of an intermediate season. The measurements focus on temperature and heat flux measured in various areas of the facility. Five configurations are compared: one with the vents fully open, three with reduced vent surface areas and different positions, and one with the vents fully closed. The impact of the number and position of the vents on the thermal behavior and efficiency of the Trombe wall is measured and analyzed. The results indicate that only the configuration with the vents fully closed exhibits a very different thermal behavior compared to the other configurations. In this configuration, the insulating properties of cellular concrete result in a minimal temperature increase in the room, making it an appropriate solution for maintaining occupant comfort even during summer conditions. Configurations with partially closed vents show generally similar behavior, except when there are significant reductions in vent surface. To effectively limit convective transfer with partial vent closure, a substantial reduction in vent surface (at least 60%) is required.

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本文介绍了一项关于蜂窝混凝土 Trombe 墙与不同通风口配置的实验研究。实验是在实验室中进行的，使用的是与相邻房间相连的 Trombe 墙，实验条件为中间季节。测量的重点是设施各区域的温度和热通量。对五种配置进行了比较：一种是通风口完全打开，三种是通风口表面积减小且位置不同，还有一种是通风口完全关闭。测量和分析了通风口的数量和位置对 Trombe 墙的热行为和效率的影响。结果表明，与其他配置相比，只有通风口完全关闭的配置表现出截然不同的热行为。在这种结构中，蜂窝混凝土的隔热性能使室内温度升高幅度极小，因此即使在夏季也能保持居住舒适度。除了通风口面积显著减少的情况外，采用部分封闭通风口的配置表现大致相似。要通过部分关闭通风口有效限制对流传递，就必须大幅减少通风口面积（至少 60%）。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Energy and Buildings 工程技术-工程：土木

CiteScore

12.70

自引率

11.90%

发文量

863

审稿时长

38 days

期刊介绍： An international journal devoted to investigations of energy use and efficiency in buildings Energy and Buildings is an international journal publishing articles with explicit links to energy use in buildings. The aim is to present new research results, and new proven practice aimed at reducing the energy needs of a building and improving indoor environment quality.