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ASHRAE , 2024
Publisher: ASHRAE
File Format: PDF
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We examined a method for determining the opening ratio of natural ventilation openings (the number of open natural ventilation openings divided by the total number of natural ventilation openings) that considers the indoor thermal environment and indoor air quality during natural ventilation. In this study, the indoor temperature, humidity, PM2.5 concentration, and differential pressure of natural ventilation openings were measured in a building where the opening ratio could be adjusted arbitrarily, and the opening and closing states of natural ventilation openings were investigated using open/close sensors. The results showed that it is possible to control the indoor thermal environment and indoor air quality by adjusting the opening ratio. These results indicate that the number of natural ventilation openings should be adjusted considering the indoor thermal environment and indoor air quality during natural ventilation according to climatic conditions.
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