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Tytuł:

Air conditioning impact on the dynamics of radon and its daughters concentration

Autorzy: Krzysztof Kozak, Dominik Grządziel, Bernard Połednik, Jadwiga Mazur, Marzenna Dudzińska, Mariusz Mroczek
Typ: Artykuł
Wersja dokumentu: Drukowana
Źródło: RADIATION PROTECTION DOSIMETRY
Rok wydania: 2014
Nr czasopisma: 4
Wolumen: 162
Strony: 663 - 673
Abstrakt: EN
Radon and its decay products are harmful pollutants present in indoor air and are responsible for the majority of the effective dose due to ionising radiation that people are naturally exposed to. The paper presents the results of the series of measurements of radon and its progeny (in unattached and attached fractions) as well as indoor air parameters: temperature, relative humidity, number and mass concentrations of fine aerosol particles. The measurements were carried out in the auditorium (lecture hall), which is an indoor air quality laboratory, in controlled conditions during two periods of time: when air conditioning (AC) was switched off (unoccupied auditorium) and when it was switched on (auditorium in normal use). The significant influence of AC and of students’ presence on the dynamics of radon and its progeny was confirmed. A decrease in the mean value of radon and its attached progeny was found when AC was working. The mean value of radon equilibrium factor F was also lower when AC was working (0.49) than when it was off (0.61). The linear correlations were found between attached radon progeny concentration and particle number and mass concentration only when the AC was switched off. This research is being conducted with the aim to study the variability of radon equilibrium factor F which is essential to determine the effective dose due to radon and its progeny inhalation.
Publikacja do: modułu sprawozdawczego PBN
Open Access: NIE
Materiał konferencyjny: NIE
Bazy: Web of Science, Scopus, Medline, EBSCOhost