基于仿真分析的住宅外墙和屋顶保温节能研究

Nima Amani
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引用次数: 0

摘要

本研究的目的是调查保温对居住建筑的影响,以优化能源消耗在伊朗北部。具体而言,通过能量模拟分析,评价了聚苯乙烯保温材料降低热负荷的性能。采用DesignBuilder软件作为研究工具进行模拟,选取区域气候条件作为起点。通过对住宅外墙和屋顶选择合适的保温材料来分析能耗,以达到较高的能源效率。在伊朗北部气候温和湿润的Chalous市,使用DesignBuilder软件对一座住宅建筑进行了模拟。该研究提出了外墙所需的最小热阻,并提供了证明最佳隔热实施对减少建筑能耗和碳排放的影响的结果。模拟结果表明,优化后的保温方式使墙体和屋顶的热损失分别减少了54.8%和53.5%。通过在温和潮湿的气候条件下同时为墙壁和屋顶选择合适的隔热材料,该研究实现了最大的节能(夏季和冬季:47.2%)。这种优化不仅降低了与热和制冷能量损失相关的成本,而且还提高了建筑对大气因素的性能,降低了建筑部门的能源消耗。
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Energy efficiency of residential buildings using thermal insulation of external walls and roof based on simulation analysis
The objective of this study was to investigate the impact of thermal insulation on residential buildings to optimize energy consumption in northern Iran. Specifically, it evaluated the performance of polystyrene thermal insulation in reducing thermal loads through energy simulation analysis. DesignBuilder software was used as a research tool for simulation, with regional climate conditions assigned as the starting point. Energy consumption was analyzed by selecting appropriate thermal insulation for the external walls and roofs of residential buildings to achieve high energy efficiency. A residential building in Chalous city, a region with a moderate and humid climate in northern Iran, was simulated using DesignBuilder software. The study presented the minimum thermal resistance required for external walls and provided results demonstrating the effect of optimal thermal insulation implementation on reducing building energy consumption and carbon emissions. The simulation results showed that optimal thermal insulation reduced heat loss by 54.8% in walls and 53.5% in roofs. By simultaneously selecting suitable thermal insulation for both walls and roofs in moderate and humid climates, the study achieved the greatest energy savings (summer and winter: 47.2%). This optimization not only reduces costs associated with thermal and cooling energy loss but also enhances building performance against atmospheric factors and decreases energy consumption in the building sector.
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