The effects of the correlated colour temperature of light on thermal sensation in the built environment: A systematic review and meta-analysis

IF 7.1 1区 工程技术 Q1 CONSTRUCTION & BUILDING TECHNOLOGY
Zhongzhe Li , Runming Yao , Vincenzo Costanzo , Chenqiu Du , Baizhan Li
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Abstract

Recently, the effect of the correlated colour temperature (CCT) of light on human thermal sensation has drawn much attention from the built environment area because of its potential application to change indoor comfortable temperature set points and save energy in buildings. Many studies have been conducted on this topic, and the results have proved inconsistent, making them difficult to use in actual practice. To further understand the validity and application range of the effect, it is urgent to research and reflect on a heterogenous selection of relevant studies. Thus, this paper aims to conduct a systematic review of existing studies, investigate the reasons for heterogeneity and explore the effect of moderators on experimental results. The Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) method was used for the systematic review, while the method of Meta-analysis was utilised to investigate the reasons for heterogeneity and the effect of moderators. The meta-analysis found that a higher CCT can lead to a cooler thermal sensation, while environmental factors, such as the background thermal environment, temperature and exposure duration, moderate the effect's magnitude. The results of the meta-analysis suggest that in the thermally neutral environment, the effect of CCT on thermal sensation is most significant. Meanwhile, the magnitude of the effect diminishes with the duration of exposure. For the first time, this study explains the reasons for the heterogeneity of existing studies and reveals the influence of moderators on the thermal effect of CCT.
光的相关色温对建筑环境中热感觉的影响:系统回顾与荟萃分析
最近,光的相关色温(CCT)对人体热感觉的影响引起了建筑环境领域的广泛关注,因为它有可能被应用于改变室内舒适温度设定点和建筑节能。有关这一主题的研究很多,但结果并不一致,因此很难在实际中应用。为了进一步了解该效应的有效性和应用范围,迫切需要对相关研究进行研究和反思。因此,本文旨在对现有研究进行系统回顾,调查异质性的原因,并探讨调节因子对实验结果的影响。系统综述采用了系统综述和元分析首选报告项目(PRISMA)方法,而元分析方法则用于研究异质性的原因和调节因子的影响。荟萃分析发现,较高的 CCT 可导致较冷的热感,而背景热环境、温度和暴露持续时间等环境因素则可调节效应的大小。荟萃分析的结果表明,在热中性环境中,CCT 对热感觉的影响最为显著。同时,影响的程度会随着暴露时间的延长而减弱。本研究首次解释了现有研究存在异质性的原因,并揭示了调节因素对 CCT 热效应的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Building and Environment
Building and Environment 工程技术-工程:环境
CiteScore
12.50
自引率
23.00%
发文量
1130
审稿时长
27 days
期刊介绍: Building and Environment, an international journal, is dedicated to publishing original research papers, comprehensive review articles, editorials, and short communications in the fields of building science, urban physics, and human interaction with the indoor and outdoor built environment. The journal emphasizes innovative technologies and knowledge verified through measurement and analysis. It covers environmental performance across various spatial scales, from cities and communities to buildings and systems, fostering collaborative, multi-disciplinary research with broader significance.
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