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All Journal Indonesian Journal of Social Science Research
Lazri, Youcef
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Education Environmental Science Law, Crime, Criminology & Criminal Justice Social Sciences

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An Energy and Ecological Assessment of The Prior and Post-Hybrid Renovation State of Multi-Dwelling Building in the Algerian City of Skikda Khelfa, Imed eddine; Lazri, Youcef; Alkama, Djamel; Toumi, Riad
Indonesian Journal of Social Science Research Vol 5 No 1 (2024): Indonesian Journal of Social Science Research (IJSSR)
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/ijssr.05.01.12

Abstract

In the context of Algerian energy and environmental concerns and its aspirations for energy transition, this article examines the pre- and post-state of a multi-family residential building in the city of Skikda, in northern Algeria, utilizing the UBEM reduced-order approach, alongside QGIS, CEA and METEONORM tools. Primarily focusing on the building's solar exposure, energy aspects, and environmental considerations. Six hybrid renovation scenarios were considered then, and assessed for their contribution for energy savings and ecological improvement. The main results revealed that 87% of annual energy requirements were related to heating and hot water, which are supplied by a natural gas system, a source of various types of greenhouse gases, which suggested the use of triple glazing, with or without two selective low-emissivity coatings only, or be combined by changing hot-water supply system to an electric one, alongside the installation of the hybrid PVT panels on the south façade. This triple glazing was joint in another scenario by integrating the same type of panels on the roof alongside a seasonal thermal energy storage system. This latter scenario being the best in terms of energy and ecology, and making the building highly performant in both aspects.
Application of Flood Hazard Index and Multi-Criteria Decision Analysis to Determine the Effect of Urbanization on Flood Hazard Areas in the City of Jijel, Algeria Chabou, Omayma; Lazri, Youcef; Lehtihet, Mohammed Chérif
Indonesian Journal of Social Science Research Vol 5 No 2 (2024): Indonesian Journal of Social Science Research (IJSSR)
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/ijssr.0.02.06

Abstract

This research aims to study the effect of urbanization on flood-prone areas in the city of Jijel. The methods used in the study are (i) generation of a susceptibility map (ii) identification of land-use maps for the years 1988 and 2021 (iii) generation of flood hazard maps for the years 1988 and 2021. The determination of flood hazard areas is mainly based on an index approach. Using the ArcGIS raster calculator tool, the susceptibility map was multiplied by the land use map to generate a flood hazard index. Based on parameter weights derived from the Analytical Hierarchical Process (AHP) approach, the various flow accumulation maps, slope, distance to stream, elevation and geological parameters were combined to create the flood susceptibility map. The effects of urbanization on flood-prone areas were determined by overlaying the susceptibility map with two land-use maps from 1988 and 2021. The results show that while areas at very low, low and moderate risk decreased by 9.28%, 17.31% and 47.3%, respectively, areas at high and very high risk increased by 32.36% and 41.53%, respectively. The study showed that increases in the high zone were mainly due to uncontrolled urban development, mainly caused by rural exodus in Algeria's coastal cities.
Application of Flood Hazard Index and Multi-Criteria Decision Analysis to Determine the Effect of Urbanization on Flood Hazard Areas in the City of Jijel, Algeria Chabou, Omayma; Lazri, Youcef; Lehtihet, Mohammed Chérif
Indonesian Journal of Social Science Research Vol. 5 No. 2 (2024): Indonesian Journal of Social Science Research (IJSSR)
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/ijssr.0.02.06

Abstract

This research aims to study the effect of urbanization on flood-prone areas in the city of Jijel. The methods used in the study are (i) generation of a susceptibility map (ii) identification of land-use maps for the years 1988 and 2021 (iii) generation of flood hazard maps for the years 1988 and 2021. The determination of flood hazard areas is mainly based on an index approach. Using the ArcGIS raster calculator tool, the susceptibility map was multiplied by the land use map to generate a flood hazard index. Based on parameter weights derived from the Analytical Hierarchical Process (AHP) approach, the various flow accumulation maps, slope, distance to stream, elevation and geological parameters were combined to create the flood susceptibility map. The effects of urbanization on flood-prone areas were determined by overlaying the susceptibility map with two land-use maps from 1988 and 2021. The results show that while areas at very low, low and moderate risk decreased by 9.28%, 17.31% and 47.3%, respectively, areas at high and very high risk increased by 32.36% and 41.53%, respectively. The study showed that increases in the high zone were mainly due to uncontrolled urban development, mainly caused by rural exodus in Algeria's coastal cities.
An Energy and Ecological Assessment of The Prior and Post-Hybrid Renovation State of Multi-Dwelling Building in the Algerian City of Skikda Khelfa, Imed eddine; Lazri, Youcef; Alkama, Djamel; Toumi, Riad
Indonesian Journal of Social Science Research Vol. 5 No. 1 (2024): Indonesian Journal of Social Science Research (IJSSR)
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/ijssr.05.01.12

Abstract

In the context of Algerian energy and environmental concerns and its aspirations for energy transition, this article examines the pre- and post-state of a multi-family residential building in the city of Skikda, in northern Algeria, utilizing the UBEM reduced-order approach, alongside QGIS, CEA and METEONORM tools. Primarily focusing on the building's solar exposure, energy aspects, and environmental considerations. Six hybrid renovation scenarios were considered then, and assessed for their contribution for energy savings and ecological improvement. The main results revealed that 87% of annual energy requirements were related to heating and hot water, which are supplied by a natural gas system, a source of various types of greenhouse gases, which suggested the use of triple glazing, with or without two selective low-emissivity coatings only, or be combined by changing hot-water supply system to an electric one, alongside the installation of the hybrid PVT panels on the south façade. This triple glazing was joint in another scenario by integrating the same type of panels on the roof alongside a seasonal thermal energy storage system. This latter scenario being the best in terms of energy and ecology, and making the building highly performant in both aspects.
Co-Authors Alkama, Djamel Chabou, Omayma Khelfa, Imed eddine Lehtihet, Mohammed Chérif Toumi, Riad