萨赫勒气候下当地材料对两栋建筑热性能影响的对比分析

Felicité Ronelngar Modjinguem, Malloum Soultan, Jacques Jay, Michel Querry
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引用次数: 0

摘要

本研究的重点是当地材料对萨赫勒气候条件下住宅和第三产业建筑的能效和热舒适性的影响。在 CABET 项目(Construction Alternative à Basse Energie au Tchad)的框架内,我们建造了两栋建筑,一栋是用压实和添加剂的生土砖建造的,另一栋是用混凝土砌块建造的。自 2019 年起,这两栋尺寸相同、不带地板和单间的建筑都安装了温度和相对湿度传感器。一个气象站用于监测室外情况。通过比较实验数据,可以估算出热舒适度的差异。计算了每栋建筑内部两个空气体积的热平衡:房间以及天花板和屋顶之间的空间。在混凝土砌块建筑的屋顶安装植物垫后,用户的热舒适度得到了改善。
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Comparative Analysis of Local Materials Effects on Two Buildings Thermal Behaviours in Sahelian Climate
The present work focuses on the effect of local materials on the energy performance and thermal comfort of residential and tertiary buildings in the Sahelian climate. Within the framework of the CABET project (Construction Alternative à Basse Energie au Tchad), two buildings were built, one in compacted and additivated raw earth bricks, the other in concrete blocks. These two buildings of same dimensions without floor and single-room were instrumented with temperature and relative humidity sensors since 2019. A weather station is used to monitor outdoor condition. By comparing the experimental data, differences in thermal comfort can be estimated. A heat balance was calculated in the two air volumes inside each building: the room and the space between the ceiling and the roof. An improvement in thermal comfort was experienced by the users after the installation of plant mats on the roof of the concrete block building.
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