Human response to ductless personalized ventilation coupled with displacement ventilation

Mariusz Dalewski, Michal Veselý, Arsen K. Melikov

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review


    A human subject experiment was carried out to investigate the extent to which ductless personalized ventilation (DPV) in conjunction with displacement ventilation can improve perceived air quality (PAQ) and thermal comfort at elevated room air temperature in comparison with displacement ventilation alone. The experimental conditions comprised displacement ventilation alone (room air temperature of 23 °C, 26 °C, 29 °C) and DPV with displacement ventilation (26 °C, 29 °C), both operating at supply air temperatures 3, 5 or 6K lower than room air temperature, as well as mixing ventilation (23 °C, 3 K). During one hour exposure participants answered questionnaires regarding PAQ and thermal comfort. PAQ was significantly better with DPV than without DPV at the same background conditions. Thermal comfort improved when DPV was used. Combining DPV with displacement ventilation showed the potential for improving PAQ and thermal comfort when room air temperature is above the comfortable temperature range.
    Original languageEnglish
    Title of host publication10th International Conference on Healthy Buildings 2012
    PublisherInternational Society of Indoor Air Quality and Climate
    Publication date2012
    ISBN (Print)9781627480758
    Publication statusPublished - 2012
    Event10th International Conference on Healthy Buildings - Brisbane Convention & Exhibition Centre, Brisbane, Australia
    Duration: 8 Jul 201212 Jul 2012
    Conference number: 10


    Conference10th International Conference on Healthy Buildings
    LocationBrisbane Convention & Exhibition Centre
    Internet address


    • Air quality
    • Atmospheric temperature
    • Surveys
    • Thermal comfort
    • Ventilation


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