Arid
DOI10.1016/j.enbuild.2018.01.008
Experimental assessment of thermal performance of three passive cooling techniques for roofs in a semi-arid climate
Kachkouch, Salah1,2,3; Ait-Nouh, Fatima2; Benhamou, Brahim1,2; Limam, Karim3
通讯作者Benhamou, Brahim
来源期刊ENERGY AND BUILDINGS
ISSN0378-7788
EISSN1872-6178
出版年2018
卷号164页码:153-164
英文摘要

Three passive techniques for air cooling in buildings are tested in the real conditions of Marrakech (Morocco) whose climate is hot semi-arid (BSh type according to the Koppen-Geiger climate classification). The passive techniques, that are white painting, shading and thermal insulation, are applied to the roofs of three outdoor test cells. Thermal performance of these techniques are assessed simultaneously via a 29 summer days monitoring of four test cells, including a reference cell with bare roof. Measurements concerned the cells indoor air temperature, the roof slab inside (ceiling) and outside surface temperature, as well as the heat flux through the roof slab. Moreover, all the local climate parameters were recorded by means of a weather station installed near the test cells. The results show that the studied passive techniques have a significant impact on the heat flux through the roof and consequently on the cells ceiling and indoor air temperature. The white painted roof has the highest thermal performance as it lowers the ceiling temperature by up to 13.0 degrees C relatively to the reference cell; while this temperature reduction was always less than 9.9 degrees C and 8.9 degrees C respectively for the thermally insulated and the shaded roofs. Moreover, the white painted roof reduced the heat flux through the roof slab by up to 66%. (C) 2018 Elsevier B.V. All rights reserved.


英文关键词Passive cooling Thermal performance Test cells Shading Thermal insulation White painting
类型Article
语种英语
国家Morocco ; France
收录类别SCI-E
WOS记录号WOS:000428492700014
WOS关键词ENERGY SAVINGS ; BUILDINGS ; OPTIONS ; AREAS
WOS类目Construction & Building Technology ; Energy & Fuels ; Engineering, Civil
WOS研究方向Construction & Building Technology ; Energy & Fuels ; Engineering
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/208906
作者单位1.Cadi Ayyad Univ, Energy Proc Res Grp LMFE, Phys Dept, Fac Sci Semlalia, Marrakech, Morocco;
2.Cadi Ayyad Univ, Natl Ctr Studies & Res Water & Energy, EnR2E Lab, CNEREE, Marrakech, Morocco;
3.Univ La Rochelle, LaSIE, La Rochelle, France
推荐引用方式
GB/T 7714
Kachkouch, Salah,Ait-Nouh, Fatima,Benhamou, Brahim,et al. Experimental assessment of thermal performance of three passive cooling techniques for roofs in a semi-arid climate[J],2018,164:153-164.
APA Kachkouch, Salah,Ait-Nouh, Fatima,Benhamou, Brahim,&Limam, Karim.(2018).Experimental assessment of thermal performance of three passive cooling techniques for roofs in a semi-arid climate.ENERGY AND BUILDINGS,164,153-164.
MLA Kachkouch, Salah,et al."Experimental assessment of thermal performance of three passive cooling techniques for roofs in a semi-arid climate".ENERGY AND BUILDINGS 164(2018):153-164.
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