利用通风和污水产生的住宅废热再生井田

IF 6.2 2区 工程技术 Q1 CONSTRUCTION & BUILDING TECHNOLOGY
Janne Hirvonen , Santeri Siren , Piia Sormunen
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引用次数: 0

摘要

芬兰的地源供暖系统在人口密集的城市环境中面临着长期可持续性和可行性的挑战。用于收集热量的钻孔之间必须留有足够的空间,以避免由于热量提取而使地面过早冷却。在建筑物中,用于预热送风的通风热回收是强制性的,但大部分热量在夏季损失,此时不需要采暖。另一方面,污水热回收根本不需要。该模拟研究探讨了如何将住宅废热注入井眼场,以防止由于减小井眼间距而导致的温度快速下降。利用IDA-ICE和TRNSYS进行了动态能量模拟。结果表明,将余热储存在地下可以无限期地维持紧密间隔井田的稳定温度水平。这在为建筑群服务的大型井眼中尤为重要。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Regeneration of borehole fields using residential waste heat from ventilation and sewage
Ground-source heating systems in Finland face challenges in their long-term sustainability and feasibility in densely built urban environments. Enough space must be left between the boreholes used for heat collection to avoid premature cooling of the ground due to heat extraction. Ventilation heat recovery for preheating supply air is mandated in buildings, but much of this heat is lost during summer, when there is no need for heating. Sewage heat recovery on the other hand is not required at all. This simulation study examines how injecting residential waste heat into borehole fields can prevent the rapid temperature decline that follows from reducing the spacing between boreholes. Dynamic energy simulations were performed using IDA-ICE and TRNSYS. The results show that storing waste heat in the ground can sustain stable temperature levels in tightly spaced borehole fields indefinitely. This is especially important in large borehole fields meant to service a building cluster.
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来源期刊
CiteScore
7.40
自引率
1.20%
发文量
31
审稿时长
22 days
期刊介绍: Developments in the Built Environment (DIBE) is a recently established peer-reviewed gold open access journal, ensuring that all accepted articles are permanently and freely accessible. Focused on civil engineering and the built environment, DIBE publishes original papers and short communications. Encompassing topics such as construction materials and building sustainability, the journal adopts a holistic approach with the aim of benefiting the community.
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