Study of air deionization factors

Authors

DOI:

https://doi.org/10.15587/1729-4061.2024.300909

Keywords:

air ion concentration, aero-ionic mode, air deionization, concentration of suspended particles, forced ventilation

Abstract

The object of research is the dynamics in the concentration of air ions and suspended particles in atmospheric air and in supply-exhaust ventilation systems. An urgent task is to determine the factors and obtain quantitative data on the deionization of the atmospheric air that enters the environment where people live. Quantitative data on changes in the concentration of air ions depending on the time of day, temperature, and relative air humidity have been established. It was shown that even in the absence of significant man-made influence on the concentration of suspended particles, this indicator is at least 7000 cm-3. In the presence of wind, this indicator reaches 30000 cm-3 and higher. Measurement of the spectrum of suspended particles in the range of 0,3–6,0 μm showed that the predominant fraction is particles with sizes of about 3 μm. Studies have been conducted on changes in the concentrations of air ions in supply-exhaust ventilation systems. It was established that in the air duct made of galvanized iron, which has a length of 16 m, the concentration of negative air ions is reduced by 67 %, and positive by 78 %. Laboratory studies of air deionization in air ducts made of different materials were carried out. There is significant air deionization in metal and cardboard ducts while it is absent in wooden ducts. This indicates the electrical nature of deionization. A calculation method for forecasting the aero-ionic mode of premises, taking into account the factors of air deionization, is proposed. For rooms with supply-exhaust ventilation, a calculation apparatus is proposed taking into account the air exchange rate (the number of complete air changes per unit of time). The results make it possible to choose the required performance of artificial air ionization devices for normalizing the aero-ionic regimes in the premises

Author Biographies

Oksana Tykhenko, National Aviation University

Doctor of Technical Sciences, Professor

Department of Environmental Sciences

Valentyn Glyva, National Aviation University

Doctor of Technical Sciences, Professor

Scientific research Department

Larysa Levchenko, National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”

Doctor of Technical Sciences, Professor

Department of Digital Technologies in Energy

Nataliia Burdeina, Kyiv National University of Construction and Architecture

PhD, Associate Professor

Department of Physics

Yana Biruk, Kyiv National University of Construction and Architecture

PhD

Department of Physics

Sergey Zozulya, National Aviation University

PhD

Department of Civil and Industrial Safety

Grygorii Krasnianskyi, Kyiv National University of Construction and Architecture

PhD, Associate Professor

Department of Physics

Kyrylo Nikolaiev, Interregional Academy of Personnel Management

PhD, Associate Professor

Department of Public Administration

Iryna Aznaurian, Kyiv National University of Construction and Architecture

Associate Professor

Department of Physics

Larysa Zozulia, National Aviation University

Assistant

Department of Civil and Industrial Safety

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Study of air deionization factors

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Published

2024-04-30

How to Cite

Tykhenko, O., Glyva, V., Levchenko, L., Burdeina, N., Biruk, Y., Zozulya, S., Krasnianskyi, G., Nikolaiev, K., Aznaurian, I., & Zozulia, L. (2024). Study of air deionization factors. Eastern-European Journal of Enterprise Technologies, 2(10 (128), 26–33. https://doi.org/10.15587/1729-4061.2024.300909