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Title: Control of carbon dioxide concentration in educational spaces using natural ventilation
Authors: Khatami, Narguess
Cook, Malcolm J.
Firth, Steven K.
Hudleston, N.
Keywords: Naturla ventilation
Educational spaces
Carbon dioxide concentration control
Dynamic thermal simulation
Indoor air quality
Issue Date: 2013
Publisher: © VEETECH
Citation: KHATAMI, N. ... et al, 2013. Control of carbon dioxide concentration in educational spaces using natural ventilation. International Journal of Ventilation, 11 (4), pp.339-352.
Abstract: This paper reports on research carried out to develop natural ventilation control strategies for densely occupied learning spaces with the intention of improving indoor air quality and heating energy consumption. Investigations were carried out for two test cases according to the characteristics given in CIBSE Guide A (2006) and Building Bulletin (BB) 101 (Department for Education, 2006). The performance of these test cases were assessed using dynamic thermal simulation with fixed CO2 set-points, based on which opening dampers are controlled. Improvements to the control strategy are then proposed. The results show that acceptable indoor air quality can be achieved in almost all cases by adopting typical, traditional control strategies. However, energy consumption can be reduced further by applying more advanced control strategies which use two CO2 set-points to regulate the opening sizes in a non-linear, but stepwise manner. Simulation results predict savings in heating energy consumption of at least 30%.
Description: This article was accepted for publication in the International Journal of Ventilation [© VEETECH]. The definitive version is available from: http://www.ijovent.org.uk/
Version: Accepted for publication
URI: https://dspace.lboro.ac.uk/2134/11804
Publisher Link: http://www.ijovent.org.uk/
ISSN: 1473-3315
Appears in Collections:Published Articles (Civil and Building Engineering)

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