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Assessment of energy and environmental performances of a bioclimatic dwelling in Algeria's North

Abstract : Bioclimatic architecture strategies and solar active systems contribute strongly to the reduction of building energy demand and achieving thermal comfort for its occupants over the whole year. This paper deals with the study of the energy performance improvement of a pilot bioclimatic house located in Algiers (Algeria). First, a series of experimental measures are conducted during cold period to show the effect of passive and active solar gains on the improvement of the indoor air temperature of the house. Then, a dynamic model of a solar heating system coupled with a bioclimatic house has been developed using TRNSYS software and validated with experimental data. The validated model has been used to establish the energy balance of the pilot bioclimatic house without solar heating system and to compare them to those of a conventional house. Finally, the improvement of the energy balance of the pilot bioclimatic house has been done by passive and active ways. The passive one includes the increase of south facing windows size and the use of night cooling with the use of shading device in summer. The active one consists of the integration of a solar heating system. Furthermore, an environmental study has been performed. The experimental results show that the energy requirements of a pilot bioclimatic house are very low which is suitable for the use of solar heating system in building. The simulation results show that the application of bioclimatic strategies is a better way to provide thermal comfort in summer and decrease the space heating energy demand of the house with 48.70%. The active solar system will cover 67.74% of the energy demand for heating of the house. These energy savings generate a significant reduction in CO 2 emissions. Practical application: This work will enable engineers and designers of modern buildings of buildings in a Mediterranean climate to improve building energy efficiency and reduce CO 2 emissions by a conjunction of different passive heating and cooling techniques such as insulation, thermal mass, window shades, night ventilation, and the solar heating system. The paper provides designers an effective strategy in terms of energy savings and indoor thermal comfort while reducing CO 2 emissions.
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https://hal-univ-artois.archives-ouvertes.fr/hal-03524271
Contributor : Hassane Naji Connect in order to contact the contributor
Submitted on : Thursday, January 13, 2022 - 10:39:35 AM
Last modification on : Saturday, January 15, 2022 - 3:06:38 AM

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N Belkacem, L Loukarfi, M Missoum, H. Naji, A Khelil, et al.. Assessment of energy and environmental performances of a bioclimatic dwelling in Algeria's North. Building Services Engineering Research and Technology, SAGE Publications, 2017, 38 (1), pp.64-88. ⟨10.1177/0143624416669554⟩. ⟨hal-03524271⟩

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