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|Title: ||Priority school building programme: an investigation into predicted occupant comfort during the heating season in naturally ventilated classrooms|
|Authors: ||Spentzou, Eftychia|
Cook, Malcolm J.
|Keywords: ||Thermal comfort|
Dynamic thermal modelling
|Issue Date: ||2016|
|Publisher: ||© The Authors. Published by REHVA|
|Citation: ||SPENTZOU, E. ...et al., 2016. Priority school building programme: an investigation into predicted occupant comfort during the heating season in naturally ventilated classrooms. Presented at the 12TH REHVA World Congress (CLIMA2016), Aalborg, Denmark, May 22-25th.|
|Abstract: ||Natural ventilation solutions can provide sufficient outside air to maintain adequate indoor air quality (IAQ), which can improve occupants’ performance in classrooms and provide reductions in energy consumption for space conditioning. In this study, the effect of cool outside air and the vent opening configurations on IAQ and occupant thermal comfort in naturally ventilated classrooms during the heating season was examined. Dynamic and steady state computer simulations were performed to investigate the internal conditions of a naturally ventilated classroom, designed to meet the requirements of the Priority Schools Building Programme (PSBP) Output Specification. The modelled designs considered natural cross ventilation airflow through high-level top hung-out or bottom hung-in openings, and a stack (atrium). Dynamic thermal modelling results indicate that adequate IAQ and occupant thermal comfort could be achieved using natural ventilation. However, the CFD simulation results predicted occupant discomfort due to draughts in the regions close to the openings. Bottom hung-in vents reduced draught impact and the study also suggests moving occupants away from the draught zones to minimise the effect of discomfort draughts on occupant comfort. The air velocity and airflow patterns in the classrooms were influenced by the shape, size, location of internal openings, and the flowrate through the openings. This could be controlled by introduction of new openings with lower airflow rates through each opening.|
|Description: ||This is a conference paper.|
|Appears in Collections:||Conference Papers (Civil and Building Engineering)|
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