Е-Публикации
Технически университет - София

Abstract: During the COVID-19 pandemic, people were required to use personal protective equipment (PPE), leading to a mass production of surgical, respiratory, and textile masks. Among the various factors to consider is the comparison of these masks against each other. Comparing one type of mask to another can reveal many hidden aspects and provide better guidance in mask selection. This study aims to focus on comparing two important factors: airflow efficiency and thermophysiological comfort while wearing PPE. Through thermographic imaging, the temperature of a participant's face was measured before, during, and after wearing the masks, as well as the masks' airflow efficiency. The results show significant differences between face temperature and airflow efficiency, which distinctly separates the two parameters.

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