Evaluating the Parameters of a Systematic Long-Term Measurement of the Concentration and Mobility of Air Ions in the Environment inside Cisarska Cave

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dc.contributor.authorRoubal, Zdeněkcs
dc.contributor.authorGescheidtová, Evacs
dc.contributor.authorBartušek, Karelcs
dc.contributor.authorSzabó, Zoltáncs
dc.contributor.authorSteinbauer, Miloslavcs
dc.contributor.authorÜberhuberová, Jarmilacs
dc.contributor.authorLajčíková, Arianacs
dc.coverage.issue12cs
dc.coverage.volume12cs
dc.date.accessioned2022-01-24T15:57:19Z
dc.date.available2022-01-24T15:57:19Z
dc.date.issued2021-12-03cs
dc.description.abstractDetermining the concentration and mobility of light air ions is an indispensable task to ensure the successful performance and progress of various operations within multiple fields and branches of human activity. This article discusses a novel methodology for measuring air ions in an environment with high relative humidity, such as that of a cave. Compared to common techniques, the proposed method exhibits a lower standard deviation and analyses the causes of spurious oscillations in the measured patterns obtained from FEM-based numerical simulations on the one hand and a model with concentrated parameters on the other. The designed ion meter utilises a gerdien tube to facilitate long-term measurement in cold and very humid spaces, an operation that can be very problematic if executed with other devices. Importantly, the applied procedure for calculating the mobility spectra of air ions from the acquired saturation characteristics is insensitive to fluctuations and noises in the measured patterns, and it also enables us to confirm the presence of very mobile air ions generated by fragmenting water droplets. During the sensing cycles, the concentration of light negative ions was influenced by the active gerdien tube. For the investigated cave, we had designed a measuring sequence to cover not only the time dependence of the concentration of light negative ions but also their mobility; this approach then allowed monitoring the corresponding impact of the patients' presence in the cave, an effect neither described nor resolved thus far. Such comprehensive research, especially due to its specific character, has not been frequently conducted or widely discussed in the literature; the efforts characterised herein have therefore expanded the relevant knowledge and methodology, thus contributing towards further advancement in the field.en
dc.formattextcs
dc.format.extent1-31cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationAtmosphere. 2021, vol. 12, issue 12, p. 1-31.en
dc.identifier.doi10.3390/atmos12121615cs
dc.identifier.issn2073-4433cs
dc.identifier.other175756cs
dc.identifier.urihttp://hdl.handle.net/11012/203372
dc.language.isoencs
dc.publisherMDPIcs
dc.relation.ispartofAtmospherecs
dc.relation.urihttps://www.mdpi.com/2073-4433/12/12/1615cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/2073-4433/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectgerdien tubeen
dc.subjectspeleotherapyen
dc.subjectmobility of air ionsen
dc.subjectair ionen
dc.subjectcaveen
dc.titleEvaluating the Parameters of a Systematic Long-Term Measurement of the Concentration and Mobility of Air Ions in the Environment inside Cisarska Caveen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-175756en
sync.item.dbtypeVAVen
sync.item.insts2022.01.24 16:57:16en
sync.item.modts2022.01.24 16:16:47en
thesis.grantorVysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií. Ústav teoretické a experimentální elektrotechnikycs
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