Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/15138
Title: Performance evaluation of air terminal devices for personalized ventilation in the tropics
Authors: ZHOU WEI
Keywords: Personalized Ventilation, Air Terminal Device, Tropics
Issue Date: 19-Jan-2006
Source: ZHOU WEI (2006-01-19). Performance evaluation of air terminal devices for personalized ventilation in the tropics. ScholarBank@NUS Repository.
Abstract: The present study on personalized ventilation (PV) consisted of physical measurements with a breathing thermal manikin and subjective experiments with tropically acclimatized human-beings. Three prototypes of air terminal device (ATD) for PV were developed and their performance with regard to inhaled air quality and thermal comfort was tested and compared. The performance indices comprised personal exposure effectiveness, inhaled air temperature, local and whole-body cooling effect, and draft rating. For two of the three ATD prototypes, identical experimental conditions that the manikin underwent were reproduced on 24 tropically acclimatized subjects to assess their responses to the local thermal environment created with the PV. It was found that the variations of ambient air temperature, personalized air temperature, flow rate, and turbulence intensity had strong influences on the subjectsa?? perceived air temperature, facial and whole-body thermal sensation, facial air movement perception and acceptability. Draft rating below 60% was judged acceptable by the subjects.
URI: http://scholarbank.nus.edu.sg/handle/10635/15138
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