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People's subjective and physiological responses to the combined thermal-acoustic environments

机译：人们对热声环境的主观和生理反应

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摘要

When people are in real cases, the thermal environment and acoustic environment have an important influence on subjective and physiological responses and affect human comfort together. However, design guidelines and technical standards typically focus on a single environmental factor separately. This study aims to find out people's subjective and physiological responses to combined thermal-acoustic environments. 16 healthy students took part in this study. A within-subject factorial design was employed with three variables: temperature levels (18 degrees C,22 degrees C,26 degrees C), sound types (music of 70BPM, the noise of fan), sound pressure levels (50dBA, 65dBA, 80dBA). The results showed that while thermal comfort was affected by acoustic conditions, the thermal sensation was not. This effect of sound on thermal comfort was not reflected through thermo-physiology: skin temperature and fingertip blood perfusion had no significant differences in the different sound environments. In the near thermal neutral zone, acoustic comfort was not affected by temperature. The total comfort was not only affected by the main effects of temperature and sound pressure level (SPL) but also affected by temperature * SPL interaction. In a musical sound environment and under the same sound pressure level, thermal comfort, acoustic comfort, and total comfort were better than in a noisy environment. Based on the observations, we suggested the acoustic environment and thermal environment should be considered comprehensively when creating a comfortable indoor environment, and music can be used to improve indoor environment satisfaction to save energy in the building.
机译：在真实情况下，热环境和声学环境对主观和生理反应具有重要影响，并共同影响人类的舒适度。但是，设计指南和技术标准通常分别关注单个环境因素。这项研究旨在找出人们对热声学环境的主观和生理反应。 16名健康的学生参加了这项研究。受试者内部析因设计采用了三个变量：温度水平（18摄氏度，22摄氏度，26摄氏度），声音类型（音乐为70BPM，风扇噪音），声压等级（50dBA，65dBA，80dBA） ）。结果表明，尽管热舒适性受声学条件的影响，但热感却不受其影响。声音对热舒适性的影响没有通过热生理反映出来：在不同的声音环境中，皮肤温度和指尖的血液灌注没有显着差异。在接近热中性的区域，声学舒适度不受温度的影响。总体舒适度不仅受温度和声压级（SPL）的主要影响，而且还受温度* SPL相互作用的影响。在音乐声音环境中和相同的声压级下，热舒适度，声学舒适度和总体舒适度要比嘈杂的环境更好。基于这些观察，我们建议在创建舒适的室内环境时应综合考虑声学环境和热环境，并且可以使用音乐来提高室内环境满意度，以节省建筑物的能源。

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