Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.buildenv.2005.06.003
Title: A study of perceived air quality and sick building syndrome in a field environment chamber served by displacement ventilation system in the tropics
Authors: Cheong, K.W.D. 
Yu, W.J.
Tham, K.W. 
Sekhar, S.C. 
Kosonen, R.
Keywords: Displacement ventilation
Perceived air quality
Sick building syndrome
Thermal gradient
Tropics
Issue Date: 2006
Source: Cheong, K.W.D., Yu, W.J., Tham, K.W., Sekhar, S.C., Kosonen, R. (2006). A study of perceived air quality and sick building syndrome in a field environment chamber served by displacement ventilation system in the tropics. Building and Environment 41 (11) : 1530-1539. ScholarBank@NUS Repository. https://doi.org/10.1016/j.buildenv.2005.06.003
Abstract: This paper presents a study of Perceived Air Quality (PAQ) and Sick Building Syndrome (SBS) using tropically acclimatized subjects in a Field Environmental Chamber (FEC) served by Displacement Ventilation (DV) system. The FEC, 11.12 m (L)×7.53 m (W)×2.60 m (H), simulates a typical office layout. A total of 60 subjects, 30 males and 30 females, were engaged in sedentary office work for 3 h. Air velocity in the space near the subjects was kept at below 0.2 m/s. Relative Humidity (RH) at 0.6 m height and outdoor air provision were maintained at 50% and 10 l/s/p, respectively. Subjects were exposed to three vertical air temperature gradients, nominally 1, 3 and 5 K/m, between 0.1 and 1.1 m heights and three room air temperatures 20, 23 and 26 °C at 0.6 m height. The main objective of this study is to evaluate the influence of temperature gradient and room air temperature (at 0.6 m height) on PAQ and SBS in DV environment. It was found that temperature gradient had insignificant impact on PAQ and SBS. Dry air sensation, irritations and air freshness decreased with increase of room air temperature. © 2005 Elsevier Ltd. All rights reserved.
Source Title: Building and Environment
URI: http://scholarbank.nus.edu.sg/handle/10635/45554
ISSN: 03601323
DOI: 10.1016/j.buildenv.2005.06.003
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