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Title: Energy analysis of the personalized ventilation system in hot and humid climates
Authors: Schiavon, S.
Melikov, A.K.
Sekhar, C. 
Keywords: Control strategy
Energy saving
Hot and humid climate
Occupants' comfort
Personal environmental control system
Personalized ventilation
Issue Date: 2010
Source: Schiavon, S., Melikov, A.K., Sekhar, C. (2010). Energy analysis of the personalized ventilation system in hot and humid climates. Energy and Buildings 42 (5) : 699-707. ScholarBank@NUS Repository.
Abstract: Personalized ventilation (PV) is an individually controlled air distribution system aimed at improving the quality of inhaled air and the thermal comfort of each occupant. Numerous studies have shown that PV in comparison with traditional mechanical ventilation systems may improve occupants' health, inhaled air quality, thermal comfort, and self-estimated productivity. Little is known about its energy performance. In this study, the energy consumption of a personalized ventilation system introduced in an office building located in a hot and humid climate (Singapore) has been investigated by means of simulations with the empirically tested IDA-ICE software. The results reveal that the use of PV may reduce the energy consumption substantially (up to 51%) compared to mixing ventilation when the following control strategies are applied: (a) reducing the airflow rate due to the higher ventilation effectiveness of PV; (b) increasing the maximum allowed room air temperature due to PV capacity to control the microclimate; (c) supplying the outdoor air only when the occupant is at the desk. The strategy to control the supply air temperature does not affect the energy consumption in a hot and humid climate. © 2009 Elsevier B.V. All rights reserved.
Source Title: Energy and Buildings
ISSN: 03787788
DOI: 10.1016/j.enbuild.2009.11.009
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