Experimental study on human exposure to occupant generated pollutants in rooms with ductless personalized ventilation

Arsen Krikor Melikov, Zhecho Dimitrov Bolashikov, Pengfei Lu

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Abstract

The performance of “ductless” personalized ventilation in conjunction with displacement ventilation with regard to exposure to different body bioeffluents was studied. Experiments were performed in a full-scale room furnished as a double office. Room air temperature was kept at 26 oC. Two breathing thermal manikins were used to simulate occupants. Tracer gases were used to simulate human bioeffluents (feet, groins, armpits and exhaled air) released from one manikin, simulating polluting occupant. The second manikin simulated exposed occupant. Different combinations of supply flow rates and operation modes for the ductless personalized and displacement ventilation were tested. The location of the bioeffluent source affected the spread of body bioeffluents in the space. The ductless personalized ventilation provided cleaner air to both occupants than displacement ventilation alone. Occupants using the ”ductless” system will perceive the supplied air quality as superior compared to displacement ventilation alone.
Original languageEnglish
Title of host publicationProceedings of Indoor Air 2014
PublisherInternational Society of Indoor Air Quality and Climate
Publication date2014
Article numberPaper ID 0866
Publication statusPublished - 2014
Event13th International Conference on Indoor Air Quality and Climate - University of Hong Kong, Hong Kong, Hong Kong
Duration: 7 Jul 201412 Jul 2014
Conference number: 13
http://www.indoorair2014.org/

Conference

Conference13th International Conference on Indoor Air Quality and Climate
Number13
LocationUniversity of Hong Kong
CountryHong Kong
CityHong Kong
Period07/07/201412/07/2014
Internet address

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