Optimal Specifications of a Trombe Wall in Low-Rise Residential Buildings of Mashhad

IF 1.204 Q3 Energy Applied Solar Energy Pub Date : 2024-01-16 DOI:10.3103/S0003701X2260117X
Hoda Asdaghi, Rima Fayaz
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Abstract

Thermal performance of the building envelope can be improved by applying passive solar systems. The current research aims to investigate the role of a Trombe wall in reducing energy demand in cold and hot periods of the year in low-rise residential buildings of Mashhad. To save energy consumption at the lowest cost and by using a Trombe wall, which is suitable for existing buildings with masonry structures, this research is dedicated to finding the best characteristics of a Trombe wall, including vent dimensions, air gap width, type of glass and construction materials. The present research was carried out using energy simulation. The simulation was performed in an integrated way to create a correlation between different factors to take advantage of the maximum heat in the cold period of the year. With a surface of 12.6 m2 20B–10Al–0.18V–2G and 20C–5Al–0.18V–1G walls, the amount of energy saving increased by 6.5 and 10.5 percent, and the obtained heat is 444 307 and 710 103 kJ, with a payback period of 3 and 19 yr, respectively. Trombe wall alone cannot provide thermal comfort in the interior space when auxiliary systems are off. In October, the predicted mean vote for thermal comfort with 40B–5Al–0.18–2G and 40C–10Al–0.18V–1G walls are, –1.5, –1.9, respectively. To reduce the effect of overheating in hot periods of the year, with brick and concrete materials, the use of internal and external shadings is suggested, when internal vents are closed and external vents are opened.

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马什哈德低层住宅楼中 Trombe 墙的最佳规格
摘要 通过应用被动式太阳能系统可以改善建筑围护结构的热性能。目前的研究旨在调查特罗姆贝墙在减少马什哈德低层住宅楼一年中寒冷和炎热时期的能源需求方面所起的作用。特罗姆贝墙适用于现有的砖石结构建筑,为了以最低成本节约能源消耗,本研究致力于寻找特罗姆贝墙的最佳特性,包括通风口尺寸、气隙宽度、玻璃类型和建筑材料。本研究是通过能源模拟进行的。模拟是以综合方式进行的,目的是在不同因素之间建立关联,以便在一年中的寒冷时期利用最大热量。表面积为 12.6 平方米的 20B-10Al-0.18V-2G 和 20C-5Al-0.18V-1G 墙体的节能效果分别提高了 6.5% 和 10.5%,获得的热量分别为 444 307 千焦和 710 103 千焦,投资回收期分别为 3 年和 19 年。当辅助系统关闭时,仅靠 Trombe 墙无法为室内空间提供热舒适度。在十月份,使用 40B-5Al-0.18-2G 和 40C-10Al-0.18V-1G 隔离墙时,热舒适度的预测平均值分别为-1.5 和-1.9。为了减少一年中炎热时期过热的影响,建议使用砖和混凝土材料,在关闭内部通风口和打开外部通风口时,使用内部和外部遮阳板。
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来源期刊
Applied Solar Energy
Applied Solar Energy Energy-Renewable Energy, Sustainability and the Environment
CiteScore
2.50
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0.00%
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0
期刊介绍: Applied Solar Energy  is an international peer reviewed journal covers various topics of research and development studies on solar energy conversion and use: photovoltaics, thermophotovoltaics, water heaters, passive solar heating systems, drying of agricultural production, water desalination, solar radiation condensers, operation of Big Solar Oven, combined use of solar energy and traditional energy sources, new semiconductors for solar cells and thermophotovoltaic system photocells, engines for autonomous solar stations.
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