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research-article

Energy efficiency and economic insulation thickness according to the compactness measure Case of a studio apartment under Saharan weather conditions

[+] Author and Article Information
Smail Bendara

University of Tlemcen, BP. 119, Tlemcen R.p. 13000 Algeria
bendarasmail@yahoo.fr

Sidi Mohammed El Amine Bekkouche

Unité de Recherche Appliquée en Energies Renouvelables, URAER, Centre de Développement des Energies Renouvelables, CDER, 47133, Ghardaïa, Algeria
smabekkouche@yahoo.fr

Tayeb Benouaz

University of Tlemcen, BP. 119, Tlemcen R.p. 13000 Algeria
b_tayeb@yahoo.com

Sabrina Belaid

Unité de Recherche Appliquée en Energies Renouvelables, URAER, Centre de Développement des Energies Renouvelables, CDER, 47133, Ghardaïa, Algeria
sboualit@uraer.dz

Maamar Hamdani

Unité de Recherche Appliquée en Energies Renouvelables, URAER, Centre de Développement des Energies Renouvelables, CDER, 47133, Ghardaïa, Algeria
hamdanimaamar@yahoo.fr

Mohamed Kamal Cherier

Unité de Recherche Appliquée en Energies Renouvelables, URAER, Centre de Développement des Energies Renouvelables, CDER, 47133, Ghardaïa, Algeria
cmohamedkamel@yahoo.fr

Azzedine Boutelhig

Unité de Recherche Appliquée en Energies Renouvelables, URAER, Centre de Développement des Energies Renouvelables, CDER, 47133, Ghardaïa, Algeria
boutelhig_az@uraer.dz

Noceir Benamrane

Unité de Recherche Appliquée en Energies Renouvelables, URAER, Centre de Développement des Energies Renouvelables, CDER, 47133, Ghardaïa, Algeria
noceir25@hotmail.fr

1Corresponding author.

ASME doi:10.1115/1.4042455 History: Received March 24, 2018; Revised December 25, 2018

Abstract

Financial energetic problems incite citizens to focus on optimal energy consumption. Accordingly, the recent research showed that major financial economies can be optimally achieved, by introducing some passive measures. The main objective of the current contribution is to investigate the impact of thermal insulation and compactness on energy efficiency. Following the assessment of the methodology, several input parameters were identified and economic insulation thicknesses were obtained. Finding revealed that the best effectiveness of solar gain has been observed for a better insulation and a good compactness, whereas, a reduction of about 12.51 % of energy needs can be achieved. Similar to the previous case, compactness has an attractive effect, provided that the building was well insulated. Furthermore, any variance can't be occurred in economic insulation thickness by varying the building compactness. Unlike this remark, for a better compactness, a slight increase in the investment-return time has been noticed, following the energy bill reduction which becomes more interesting. Hence, the comparative study averred that the previous passive concepts provide a reduction of energy demand nearest 73.64 %. Thus, reduction was nexus 82.17 %, during cold season, and around 59.87 %, in overheating period. Following the obtained results, it can be concluded that the studied structure type may be integrated in the buildings within the energy label "type C".

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