Thermal comfort of seated occupants in rooms with personalized ventilation combined with mixing or displacement ventilation

Forejt L., Melikov A.K., Cermak R., Kovar O.
displacement ventilation, manikin, mixing ventilation, personalized ventilation
Year:
2004
Bibliographic info:
RoomVent 2004, 9th international conference in University of Coimbra - Portugal, 5-8th september 2004, pp 4, 6 Fig., 14 Ref

The performance of two personalized ventilation systems combined with mixing or displacement ventilation was studied under different conditions in regard to thermal comfort of seated occupants. The cooling performance of personalized ventilation was found to be independent of room air distribution. Differences between the personalized air terminal devices were identified in terms of
the cooling distribution over the manikins body. The personalized ventilation supplying air from the
front towards the face provided a more uniform cooling of the body than the personalized ventilation
supplying air from the below towards the face and may be preferred by occupants in practice.

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