Indoor-outdoor interactive thermal response in public building:onsite data collection and classification through cluster algorithm

IF 6.6 2区 工程技术 Q1 CONSTRUCTION & BUILDING TECHNOLOGY
Zhineng Jin, Yin zhang, Hongli Sun, Meng Han, Yanhong Zheng, Ying Zhao, Wenyang Han, Menglong Zhang, Bin Xu, Zequn Zhang, Borong Lin
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引用次数: 0

Abstract

Efficient thermal environment control in large public buildings with atria is critical for reducing energy consumption and carbon emissions. This study investigates the indoor thermal environments of two distinct atria in Suining, China, within a Hot Summer and Cold Winter (HSCW) climate zone. A novel methodology combining K-means clustering algorithms and multiple linear regression (CAMLR) was employed to analyze extensive thermal data from a transitional atrium and a traditional atrium. CAMLR significantly outperformed Traditional Building Thermal environment analysis Methods (TBTM), achieving a 33.8 % higher R2 and reducing the residual sum of squares by 62.11 %. Key findings include: 1) A strong correlation (R2 = 0.9555) between outdoor temperature and indoor thermal conditions in the transitional atrium, highlighting a critical outdoor temperature threshold of 30 °C that leads to prolonged indoor heat retention. 2) Solar radiation plays a dominant role in the traditional atrium (R2 = 0.5584), influencing rapid temperature fluctuations. These insights underscore the critical role of atrium design in optimizing thermal performance and energy efficiency. Compared to TBTM, CAMLR provides faster, more accurate, and highly visualized data analysis, making it particularly suitable for complex thermal environment studies. This study establishes CAMLR as a robust tool for advancing thermal management strategies in large public buildings, offering practical guidance for energy-efficient architectural designs in similar climate zones.
在设有中庭的大型公共建筑中,高效的热环境控制对于降低能耗和碳排放至关重要。本研究调查了中国遂宁夏热冬冷(HSCW)气候区两个不同中庭的室内热环境。研究采用了一种结合 K 均值聚类算法和多元线性回归(CAMLR)的新方法来分析来自过渡中庭和传统中庭的大量热数据。CAMLR 明显优于传统建筑热环境分析方法(TBTM),R2 提高了 33.8%,残差平方和降低了 62.11%。主要发现包括1) 过渡中庭的室外温度与室内热条件之间具有很强的相关性(R2 = 0.9555),突出表明室外温度的临界值为 30 °C,会导致室内热滞留时间延长。2) 太阳辐射在传统中庭起主导作用(R2 = 0.5584),影响温度的快速波动。这些见解强调了中庭设计在优化热性能和能源效率方面的关键作用。与 TBTM 相比,CAMLR 可提供更快、更准确和高度可视化的数据分析,因此特别适用于复杂的热环境研究。这项研究将 CAMLR 确立为推进大型公共建筑热管理策略的有力工具,为类似气候区的节能建筑设计提供了实用指导。
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来源期刊
Energy and Buildings
Energy and Buildings 工程技术-工程:土木
CiteScore
12.70
自引率
11.90%
发文量
863
审稿时长
38 days
期刊介绍: An international journal devoted to investigations of energy use and efficiency in buildings Energy and Buildings is an international journal publishing articles with explicit links to energy use in buildings. The aim is to present new research results, and new proven practice aimed at reducing the energy needs of a building and improving indoor environment quality.
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