Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Experimental investigation of the effect of surgical masks on outdoor thermal comfort in Xiamen, China
https://orcid.org/0000-0003-4648-6926
Abstract The COVID-19 pandemic has significantly changed people's lifestyles, and wearing surgical masks in outdoor public spaces has become commonplace. However, few studies have explored the impact of wearing masks on outdoor thermal comfort in different seasons. From May 2021 to February 2022, a series of longitudinal experiments were conducted in Xiamen, China to examine the effect of wearing surgical masks on outdoor thermal comfort. Forty-two participants took part in the experiments with and without masks. During the experiments, the thermal perceptions of the subjects and environmental thermal parameters were collected. Differences in outdoor thermal comfort between subjects wearing masks and those not wearing masks were determined in summer, autumn, and winter. Results showed that 1) the subjects wearing masks had lower neutral temperatures, and this difference was particularly pronounced in summer and exacerbated by walking; 2) in warm environments, masks reduced thermal comfort, and discomfort associated with masks was worse when walking than when sitting; 3) wearing masks significantly worsened facial comfort and increased chest discomfort, as summer turned to winter, the impact of masks on facial comfort decreased; 4) radiation and air temperature were the environmental parameters with the greatest impact on outdoor thermal sensation. Subjects who wore masks preferred lower temperatures, radiation, and humidity, and higher wind speeds.
Graphical abstract Display Omitted
Highlights Outdoor thermal comfort was compared between subjects with and without masks. The effect of masks on neutral temperature is greatest in summer and least in winter. Thermal discomfort from masks was more intense when walking than when sitting. Wearing masks increased facial discomfort significantly. Subjects with masks were more sensitive to Ta than subjects without masks.
Experimental investigation of the effect of surgical masks on outdoor thermal comfort in Xiamen, China
https://orcid.org/0000-0003-4648-6926
Abstract The COVID-19 pandemic has significantly changed people's lifestyles, and wearing surgical masks in outdoor public spaces has become commonplace. However, few studies have explored the impact of wearing masks on outdoor thermal comfort in different seasons. From May 2021 to February 2022, a series of longitudinal experiments were conducted in Xiamen, China to examine the effect of wearing surgical masks on outdoor thermal comfort. Forty-two participants took part in the experiments with and without masks. During the experiments, the thermal perceptions of the subjects and environmental thermal parameters were collected. Differences in outdoor thermal comfort between subjects wearing masks and those not wearing masks were determined in summer, autumn, and winter. Results showed that 1) the subjects wearing masks had lower neutral temperatures, and this difference was particularly pronounced in summer and exacerbated by walking; 2) in warm environments, masks reduced thermal comfort, and discomfort associated with masks was worse when walking than when sitting; 3) wearing masks significantly worsened facial comfort and increased chest discomfort, as summer turned to winter, the impact of masks on facial comfort decreased; 4) radiation and air temperature were the environmental parameters with the greatest impact on outdoor thermal sensation. Subjects who wore masks preferred lower temperatures, radiation, and humidity, and higher wind speeds.
Graphical abstract Display Omitted
Highlights Outdoor thermal comfort was compared between subjects with and without masks. The effect of masks on neutral temperature is greatest in summer and least in winter. Thermal discomfort from masks was more intense when walking than when sitting. Wearing masks increased facial discomfort significantly. Subjects with masks were more sensitive to Ta than subjects without masks.
Experimental investigation of the effect of surgical masks on outdoor thermal comfort in Xiamen, China
https://orcid.org/0000-0003-4648-6926
Abstract The COVID-19 pandemic has significantly changed people's lifestyles, and wearing surgical masks in outdoor public spaces has become commonplace. However, few studies have explored the impact of wearing masks on outdoor thermal comfort in different seasons. From May 2021 to February 2022, a series of longitudinal experiments were conducted in Xiamen, China to examine the effect of wearing surgical masks on outdoor thermal comfort. Forty-two participants took part in the experiments with and without masks. During the experiments, the thermal perceptions of the subjects and environmental thermal parameters were collected. Differences in outdoor thermal comfort between subjects wearing masks and those not wearing masks were determined in summer, autumn, and winter. Results showed that 1) the subjects wearing masks had lower neutral temperatures, and this difference was particularly pronounced in summer and exacerbated by walking; 2) in warm environments, masks reduced thermal comfort, and discomfort associated with masks was worse when walking than when sitting; 3) wearing masks significantly worsened facial comfort and increased chest discomfort, as summer turned to winter, the impact of masks on facial comfort decreased; 4) radiation and air temperature were the environmental parameters with the greatest impact on outdoor thermal sensation. Subjects who wore masks preferred lower temperatures, radiation, and humidity, and higher wind speeds.
Graphical abstract Display Omitted
Highlights Outdoor thermal comfort was compared between subjects with and without masks. The effect of masks on neutral temperature is greatest in summer and least in winter. Thermal discomfort from masks was more intense when walking than when sitting. Wearing masks increased facial discomfort significantly. Subjects with masks were more sensitive to Ta than subjects without masks.
Experimental investigation of the effect of surgical masks on outdoor thermal comfort in Xiamen, China
Zhou, Zhiqiang (Autor:in) / Dong, Liang (Autor:in)
Building and Environment ; 229
01.12.2022
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Outdoor thermal comfort , Surgical masks , Human body , Thermal sensation , Thermal sensation vote , TSV , Mean thermal sensation vote , MTSV , Thermal comfort vote , TCV , Mean thermal comfort vote , MTCV , Physiologically equivalent temperature , PET , Air temperature , T<inf>a</inf> , Wind speed , Ws , Relative humidity , RH , Global radiation , G
Studies of outdoor thermal comfort in northern China
| Elsevier | 2014
Studies of outdoor thermal comfort in northern China
| Online Contents | 2014