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光线和白天时间对热生理学,感知和行为的急性影响
Abdelkader Elkounni1, Marika Vellei2,3, Jérôme Le Dréau4
1Laboratory of Engineering Sciences for the Environment LaSIE UMR CNRS 7356, La Rochelle University, 17000 La Rochelle, France. abdelkader.elkounni@univ-lr.fr.
Scientific reports
|November 4, 2025
概括
暴露在明亮的光线下,特别是在早晨,可以通过抑制皮肤温度升高和将感知转向中性来显著改善热舒适度. 这凸显了昼夜节律在建筑环境设计中的重要性.
科学领域:
- 环境心理学 环境心理学
- 以人为中心的设计
- 循环节生物学 循环节生物学
背景情况:
- 建筑控制策略越来越注重乘客舒适性和节能,通过整合光,温度和时间来节省能源.
- 现有的研究往往过于简化了光对热感知的影响,依赖于色调-热量假设,忽视了生理机制.
- 光的生理影响,特别是蓝色丰富的明亮光,对昼夜节律和温度调节需要进一步研究.
研究的目的:
- 调查光强度如何影响昼夜环境中的热生理学,感知和行为.
- 检查昼夜节律在调节光对热舒适度影响中的作用.
- 为了区分光强度与视觉色彩协会对热评价的影响.
主要方法:
- 在受控条件下对20名健康成年人进行实验研究.
- 四个会议结合了两种照明水平 (明亮和淡) 在一天的两个时间 (07:00和14:00).
- 结果措施包括皮肤温度,主观问卷和在稳定状态和动态温暖条件下的风扇使用行为.
主要成果:
- 皮肤温度表现出自然的昼夜节律,早上比中午更低.
- 暴露在明亮的光线下抑制了早晨皮肤温度的升高,将热感从温暖转变为中性.
- 亮光改善了与暗光或中午曝光相比的热舒适度,即使使用风扇,这种效果也持续下去.
结论:
- 循环生理学在热舒适方面发挥着基本作用.
- 策略性定时的光照,尤其是早晨的明亮光照,可以通过与身体内部节律保持一致来优化热舒适度.
- 以人为中心的建筑控制应考虑光,时间和昼夜调节的相互作用,以提高舒适度和能源效率.
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