人体反馈调节对热舒适及感知空气品质的影响研究
首发时间:2019-09-24
摘要:室内环境对人的舒适性和健康水平有很大的影响。已有研究表明,接近于自然环境的较大温湿度范围才更有利于人体健康机能。而要在较大环境参数范围内保持舒适性,则依赖于人体自适应性调节。因此,为探索行为调节对人体自适应性热舒适的影响,在冬季进行了一系列模拟机舱环境的实验研究。在20℃、22℃、24℃、26℃ 的工况下,受试者静坐在气候舱内,并可以通过开关个性送风口和脱穿外套进行自我调节,而对照的受试者无法进行自我调节。结果显示,在稍不利的环境工况下,可以进行自我调节的受试者舒适性明显高于对照组,其热感觉更接近于中性值,感知空气品质更好。研究表明,自我调节性对扩展舒适温度范围有积极的影响,有利于营造更健康的环境。
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Impact of adaptive behaviours on thermal comfort and perceived air quality
Abstract:To examine the impact of behavioural adaption on thermal comfort, two comparison studies were conducted in a model aircraft cabin. In series I, 32-68 subjects participated in different experiments, i.e. at air temperature 20℃, 22℃, 24℃, and 26℃, in which the clothing ensembles and personal air supply were controllable by themselves, and meantime the thermal environment was evaluated. In the series II, 20 subjects evaluated the conditions as same as series I, while the behavioural adjustment were not allowed. Results show: Subjects are more comfortable when they can actively control the microenvironment by behavioural responses than they are not in the same conditions. Their thermal sensation are more neutral, the perceived air quality are better and the skin temperature are more stable with thermal environment. Thus, to evaluate and create a thermal comfort environment in aircraft cabins should take the factor of adaptive behaviours into consideration.
Keywords: HVAC indoor environment thermal comfort personal ventilation behaviour
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人体反馈调节对热舒适及感知空气品质的影响研究
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