Improving comfort and health with personalized ventilation

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Abstract

The thermal environment and air quality in buildings affects occupants¿ health, comfort and performance. The heating, ventilating and air-conditioning (HVAC) of buildings today is designed to provide a uniform room environment. However, large individual differences exist between occupants in regard to physiological and psychological response, clothing insulation, activity, air temperature and air movement preference, etc. Environmental conditions acceptable for most occupants in rooms may be achieved by providing each occupant with the possibility to generate and control his/her own preferred microenvironment. Furthermore, HVAC systems should be designed to protect occupants from airborne transmission of infectious agents that may be present in exhaled air. Personalized ventilation is a new development in the field of HVAC and has the potential to fulfil the above requirements. This paper reviews existing knowledge on performance of personalized ventilation (PV) and on human response to it. The airflow interaction in the vicinity of the human body is analysed and its impact on thermal comfort and inhaled air quality is discussed together with control strategies and the application of PV in practice. Performance criteria are defined. Recommendations for design of PV that would be in compliance with the criteria are given.
Original languageEnglish
Title of host publicationProcedings of Roomvent 2004
VolumeCD Rom
Place of PublicationPortugal
PublisherUniversity of Coimbra
Publication date2004
Publication statusPublished - 2004
Event9th International Conference on Air Distribution in Rooms - University of Coimbra, Coimbra, Portugal
Duration: 5 Sep 20048 Sep 2004
http://www.adai.pt/roomvent/invitation.html

Conference

Conference9th International Conference on Air Distribution in Rooms
LocationUniversity of Coimbra
CountryPortugal
CityCoimbra
Period05/09/200408/09/2004
Internet address

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