Abstract
The main purpose of the study is to evaluate the performance of local air humidifiers in museum premises with natural ventilation systems. This article discusses the possibility of using local air humidifiers not only to ensure required relative air humidity, but also as an additional way to reduce the concentration of fine suspended particles in principal premises of museums. The relative air humidity was measured in art gallery using Testo data logger. Also, counting concentration of suspended particles was measured in the internal air with working and disconnected air humidifier. The greatest decline of concentration is observed for suspended particles with diameter size larger than 5 microns, which is probably due to a greater sedimentation rate. Installing local humidifiers is extremely important in buildings with natural ventilation systems, because it can provide not only required relative air humidity but also reduce the concentration of fine suspended particles, which helps exhibits to retain its initial outlook.
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