Research of air exchange in the apartment on the basis of experimental determination of co2 mass transfer

Authors

  • V. Deshko National Technical University of Ukraine "Ihor Sikorsky Kyiv Polytechnic Institute , Національний технічний університет України «Київський політехнічний інститут імені Ігоря Сікорського
  • I. Bilous National Technical University of Ukraine "Ihor Sikorsky Kyiv Polytechnic Institute , Національний технічний університет України «Київський політехнічний інститут імені Ігоря Сікорського
  • H. Hetmanchuk National Technical University of Ukraine "Ihor Sikorsky Kyiv Polytechnic Institute , Національний технічний університет України «Київський політехнічний інститут імені Ігоря Сікорського

DOI:

https://doi.org/10.31548/energiya3(67).2023.028

Abstract

Studying the frequency of air exchange in residential buildings is important from the point of view of ensuring microclimate conditions in the room for residents, as well as ensuring an appropriate level of energy efficiency. The purpose of this study is to experimentally study the concentration of CO2 in a typical apartment using stationary CO2 sensors and determine air exchange based on mass balances. The object of the study is a one-room apartment in a family-type dormitory in the city of Kyiv. The dormitory has ducted natural ventilation. As part of the study, actual and experimental measurements of the concentration of carbon dioxide were carried out in the premises of the living room, kitchen, corridor of the apartment and in the ventilation duct leading to the kitchen. Experimental research conditions were created by artificial injection of carbon dioxide. According to the research results, the air exchange rate in the apartment was at the level of 0.74 h-1 for the living room, 0.66-0.81 h-1 for the corridor, 3.4 h-1 for the kitchen, under conditions when the supply air enters through windows and entrance doors. The results of the research can be used to develop energy-efficient strategies for improving air quality in residential premises.

Kay words: air exchange, carbon dioxide concentration, mass transfer, microclimate conditions

References

Hou, J., Zhang, Y., Sun, Y., Wang, P., Zhang, Q., Kong, X., Sundell, J. (2017). Air change rates in residential buildings in Tianjin. Procedia Engineering, 205, 2254–2258. https://doi.org/10.1016/j.proeng.2017.10.069

You, Y., Niu, C., Zhou, J., Liu, Y., Bai, Z., Zhang, J., He, F., Zhang, N. (2012). Measurement of air exchange rates in different indoor environments using continuous CO2 sensors. Journal of Environmental Sciences, 24(4), 657–664. https://doi.org/10.1016/S1001-0742(11)60812-7

Belmonte, J., Barbosa, R., Almeida, M. G. (2019). CO2 concentrations in a multifamily building in Porto, Portugal: Occupants' exposure and differential performance of mechanical ventilation control strategies. Journal of Building Engineering, 23, 114–126. https://doi.org/10.1016/j.jobe.2019.01.008

Johnson, T., Myers, J., Kelly, T. (2004). A pilot study using scripted ventilation conditions to identify key factors affecting indoor pollutant concentration and air exchange rate in a residence. Journal of Exposure Science & Environmental Epidemiology, 14, 1–22. https://doi.org/10.1038/sj.jea.7500294

Shi, S., Chen, C., Zhao, B. (2015). Air infiltration rate distributions of residences in Beijing. Building and Environment, 92, 528–537. https://doi.org/10.1016/j.buildenv.2015.05.027

Deshko, V., Bilous, I., Sukhodub, I., Yatsenko, O. (2021). Evaluation of energy use for heating in residential building under the influence of air exchange modes. Journal of Building Engineering, 42, Stattia 103020. https://doi.org/10.1016/j.jobe.2021.103020

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Published

2023-09-07

Issue

No. 3 (2023)

Section

Статті

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