Analytical Evaluation of the Thermal Properties of the External Walls of Traditional Rural Dwellings Located in the Foothills of Mazandaran Province
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Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
This study aims to analyze the thermal properties of the external walls in the traditional indigenous buildings located in the foothills of Mazandaran Province. The buildings were selected through a simple random sampling method in the study area. Then, a sample of 30 external walls in those traditional dwellings was chosen. They were 60 to 80 years old with an area of 40 to 60 square meters each. The thermo-physical properties of the materials used in the walls were extracted from the Environmental Design Standard (CIBSE) and the Road, Housing and Development Research Center. Then, the octal thermal properties of the walls were calculated using a program that the authors designed by the EXCEL software. Also, based on their octal thermal properties, the walls were all compared in column charts. Eventually, according to the priority and significance of each thermal property, the comparison of the walls was done based on the least and the most energy loss. As the comparative analysis carried out in this study revealed, mud-brick walls have the highest efficiency in terms of Volumetric Specific Heat, Decrement Factor and Time Lag Associated with Decrement Factor. There is a moderate efficiency in other cases, and, in comparison with other external walls, mud-brick walls generally seem to be the most appropriate type of external wall in terms of the criteria in this research. According to the assertions of the permanent dwellers of the traditional indigenous buildings and their rate of satisfaction with the thermal comfort in those places under current climate conditions, mud-brick walls or any other wall with similar thermal properties can be the most appropriate type of external wall in the research area.
Language:
Persian
Published:
Journal of Rural Research, Volume:10 Issue: 2, 2019
Pages:
310 to 327
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