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General Article

Analysis of strategies to reduce thermal discomfort and natural gas consumption during heating season in Algerian residential dwellings
Ilyas Khelifa Kerfah1*
,
Sidi Mohamed Karim El Hassar2
,
Jean Rouleau3
,
Louis Gosselin4
,
Abdelkader Larabi5
1Ph.D Student, Laboratory of Built Environment (LBE), Faculty of Civil Engineering, University of Sciences and Technology Houari Boumediene, BP 32 El Alia, Bab Ezzouar, Algiers, Algeria
2Senior Lecturer, Laboratory of Built Environment (LBE), Faculty of Civil Engineering, University of Sciences and Technology Houari Boumediene, BP 32 El Alia, Bab Ezzouar, Algiers, Algeria
3Researcher, Department of Mechanical Engineering, Université Laval, Quebec City, Quebec, G1V 0A6, Canada
4Professor, Department of Mechanical Engineering, Université Laval, Quebec City, Quebec, G1V 0A6, Canada
5Professor, Laboratory of Electric and Industrial Systems (LSEI), Faculty of Electronics and Computer Science, University of Sciences and Technology Houari Boumediene, BP 32 El Alia, Bab Ezzouar, Algiers, Algeria
* Corresponding Author
31 March 2020. pp. 45-76
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Abstract

In Algeria, the more common heating system in multifamily buildings is a gas heater in the central corridor. This system can cause important overheating in the corridor and significant gas consumption. Experimental measurements were performed in a typical dwelling using this heating system and were used to calibrate numerical models built with TRNSYS software. Using these numerical models, the present study calculates the energy savings and thermal comfort improvement for the typical dwelling. Heating system based on hot water radiators was evaluated in this work. A parametric analysis was performed by varying location, thickness of thermal insulation, windows and heating system. Changing the heating system in the studied dwellings, from the central gas heater to the hot water radiators, leads to a reduction of approximately 5% of gas consumption whatever the envelope performance and decreases the number of discomfort hours more significantly. It was also observed that among the scenarios tested, changing the thermal envelope, reduces the heating needs by more than 84% compared to the reference dwelling and then the number of thermal discomfort could be virtually eliminated.

Keywords
algerian climate
heating demand
energy consumption
thermal comfort
numerical simulation
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Information
  • Publisher :Sustainable Building Research Center (ERC) Innovative Durable Building and Infrastructure Research Center
  • Publisher(Ko) :건설구조물 내구성혁신 연구센터
  • Journal Title :International Journal of Sustainable Building Technology and Urban Development
  • Volume : 11
  • No :1
  • Pages :45-76
  • Received Date : 2019-11-21
  • Accepted Date : 2020-03-31
  • DOI :https://doi.org/10.22712/susb.20200005
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