Validation of the bio-contamination model in closed habitat

Anniina Salmela, Ilpo Kulmala, Aku Karvinen, Virginie Taillebot, Peter Weiss, Audrey Berthier, Vincenzo Guarnieri, Stephanie Raffestin, Pertti Pasanen

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

    Abstract

    Bioaerosols such as bacteria, fungi, viruses and all other particles that contain living organisms or are released from living organisms are recognized as important contributors to the deterioration of indoor air quality. Crewmembers are a major source of microorganisms on spacecraft, although most of the microbes released are generally harmless along with some opportunistic pathogens. Microorganisms are constant ecological partners of humans, materials and devices also during manned space flight and in other hermetically sealed environments. In the envisioned future deep space missions, it is mandatory to prevent and control bioaerosol contamination, which needs understanding of the contamination mechanisms from sources to deposition of the aerosolized particle. The behavior of bioaerosols was modelled with computational fluid dynamics (CFD) which offers detailed predictions for airflows and particle transport in mechanically ventilated enclosed spaces. The simulations were validated in an experimental chamber with a volume of 30 cubic meters by generating bioaerosols indoors and determining their deposition rates on differently oriented surfaces.
    Original languageEnglish
    Title of host publicationHealthy Buildings Europe 2017
    PublisherLublin University of Technology
    ISBN (Print)9788379472604
    Publication statusPublished - 1 Jan 2017
    MoE publication typeB3 Non-refereed article in conference proceedings
    EventHealthy Buildings Europe 2017, HB2017-Europe - Lublin, Poland
    Duration: 2 Jul 20175 Jul 2017

    Conference

    ConferenceHealthy Buildings Europe 2017, HB2017-Europe
    Abbreviated titleHB2017-Europe
    CountryPoland
    CityLublin
    Period2/07/175/07/17

    Fingerprint

    Microorganisms
    Contamination
    Manned space flight
    Pathogens
    Fungi
    Deposition rates
    Viruses
    Air quality
    Deterioration
    Spacecraft
    Bacteria
    Computational fluid dynamics

    Keywords

    • bioaerosols
    • contamination
    • measurement
    • modelling
    • validation
    • space

    Cite this

    Salmela, A., Kulmala, I., Karvinen, A., Taillebot, V., Weiss, P., Berthier, A., ... Pasanen, P. (2017). Validation of the bio-contamination model in closed habitat. In Healthy Buildings Europe 2017 [0049] Lublin University of Technology.
    Salmela, Anniina ; Kulmala, Ilpo ; Karvinen, Aku ; Taillebot, Virginie ; Weiss, Peter ; Berthier, Audrey ; Guarnieri, Vincenzo ; Raffestin, Stephanie ; Pasanen, Pertti. / Validation of the bio-contamination model in closed habitat. Healthy Buildings Europe 2017. Lublin University of Technology, 2017.
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    abstract = "Bioaerosols such as bacteria, fungi, viruses and all other particles that contain living organisms or are released from living organisms are recognized as important contributors to the deterioration of indoor air quality. Crewmembers are a major source of microorganisms on spacecraft, although most of the microbes released are generally harmless along with some opportunistic pathogens. Microorganisms are constant ecological partners of humans, materials and devices also during manned space flight and in other hermetically sealed environments. In the envisioned future deep space missions, it is mandatory to prevent and control bioaerosol contamination, which needs understanding of the contamination mechanisms from sources to deposition of the aerosolized particle. The behavior of bioaerosols was modelled with computational fluid dynamics (CFD) which offers detailed predictions for airflows and particle transport in mechanically ventilated enclosed spaces. The simulations were validated in an experimental chamber with a volume of 30 cubic meters by generating bioaerosols indoors and determining their deposition rates on differently oriented surfaces.",
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    Salmela, A, Kulmala, I, Karvinen, A, Taillebot, V, Weiss, P, Berthier, A, Guarnieri, V, Raffestin, S & Pasanen, P 2017, Validation of the bio-contamination model in closed habitat. in Healthy Buildings Europe 2017., 0049, Lublin University of Technology, Healthy Buildings Europe 2017, HB2017-Europe, Lublin, Poland, 2/07/17.

    Validation of the bio-contamination model in closed habitat. / Salmela, Anniina; Kulmala, Ilpo; Karvinen, Aku; Taillebot, Virginie; Weiss, Peter; Berthier, Audrey; Guarnieri, Vincenzo; Raffestin, Stephanie; Pasanen, Pertti.

    Healthy Buildings Europe 2017. Lublin University of Technology, 2017. 0049.

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

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    Salmela A, Kulmala I, Karvinen A, Taillebot V, Weiss P, Berthier A et al. Validation of the bio-contamination model in closed habitat. In Healthy Buildings Europe 2017. Lublin University of Technology. 2017. 0049