Optimizing Building Wall Heat Transfer in Tehran Local Buildings with an Approach to Thermal Transmittance Quantity Calculation
This study investigates wall heat transfer, including the optimization of wall layers in Tehran’s buildings. This paper represents that poor wall structure has a positive effect on energy costs and thermal comfort, as well as negative environmental degradation because of using fossil fuels. The paper addresses the great relevance of thermal transmittance to building energy performance and underlines the necessity for a theoretical and practical analysis and experimental measurement of thermal behavior of building components. In aspect of methodology of the current research, five common wall details in Tehran local buildings are investigated, and their insulating options are evaluated on the basis of Iranian building regulations. The thermal physique formulas are the main tools used to calculate each wall’s thermal transmittance qualities, and the results are presented under specific temperatures. This article presents the findings of the heat transfer calculation for each wall type and discusses the variables and equations used in the calculation procedure. The new formula relations are established on the U-value, which is counted as the basis thermal property. This study plays a critical role in the optimization of thermal transmittance of wall layers in energy-efficient buildings. It has reviewed a wide range of studies related to wall heat transfer in various environmental conditions in Tehran. As the main potential of this research, it will help architects and designers select appropriate wall details that are energy-efficient, especially in insulation materials. Further research work might also be extended to other Iranian cities with different climates, considering eco-friendly insulation materials.
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