Experimental and numerical studies on the performance evaluation of a bed-based task/ambient air conditioning (TAC) system

Mao Ning, Pan Dongmei, Chan Mingyin and Deng Shiming

Applied Energy, 2014, vol. 136, issue C, 956-967

Abstract: A bed-based TAC system applied to sleeping environments has been developed and its performances experimentally and numerically studied, and the study results are reported in this paper. Firstly, a detailed description of an experimental rig for the bed-based TAC system at two settings is presented with a return air inlet on the wall (Setting 1) and with a return air plenum and inlet placed under the bed (Setting 2). Secondly, the experimental results on the operating performances of the bed-based TAC system at the two settings in terms of thermal environmental control and energy saving are analyzed and reported. Thirdly, to supplement the experimental study for a more detailed analysis on air temperature and flow fields, a follow-up numerical study was carried out and is reported. Both the experimental and numerical study results suggested that the bed-based TAC system at Setting 2 performed better in controlling thermal environment in an occupied zone but with a relatively poorer energy saving performance, as compared to that at Setting 1.

Keywords: Task/ambient air conditioning (TAC) system; Sleeping environments; Thermal comfort; Energy saving (search for similar items in EconPapers)
Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:eee:appene:v:136:y:2014:i:c:p:956-967

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DOI: 10.1016/j.apenergy.2014.06.022

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