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Field application of enhanced displacement ventilation system in an office of a Zero Energy Building in the Tropics

David K.W. Cheong, Samantha C.H. Khor, 2015
Enhanced displacement ventilation | Tropics | thermal sensation | air movement | questionnaire
Bibliographic info: 36th AIVC Conference " Effective ventilation in high performance buildings", Madrid, Spain, 23-24 September 2015.
Languages: English Pages (count): 6

Conventional Displacement Ventilation (DV) system has been installed in an office of a Zero Energy Building (ZEB). Enhanced DV (EDV) system, consisting of fans mounted to the chair, which has been demonstrated in laboratory and field environmental chamber studies earlier was implemented for the first time in a full-scale office environment to assess its effectiveness of improving the thermal sensation of the occupants. Objective measurements and subjective assessments were conducted in the office with 12 occupants over a period of 2 weeks. Results show that the EDV is capable of improving the thermal comfort and sensation, and the personalised control feature can lead to higher occupants’ thermal satisfaction. In conclusion, EDV system has been successfully implemented in the field with no issue of draft as tropically acclimatized subjects prefers higher air movement.


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