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Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/5282

Title: Design strategy for low-energy ventilation and cooling within an urban heat island
Authors: Short, C. Alan
Lomas, Kevin J.
Woods, A.
Keywords: Alternative technology
Climate change
Natural ventilation
Thermal modelling
Urban heat island
Issue Date: 2004
Publisher: © Taylor & Francis
Citation: SHORT, C.A., LOMAS, K.J. and WOODS, A., 2004. Design strategy for low-energy ventilation and cooling within an urban heat island. Building Research and Information, 32 (3), pp. 187 - 206
Abstract: Natural ventilation is a proven strategy for maintaining thermal comfort in non-domestic buildings in the UK. The energy consumption and thus the carbon dioxide emissions that contribute to global warming are lower than in conventional air-conditioned buildings. However, the ambient temperatures in the UK have risen over the last decade and new climatic data for use in the design of naturally ventilated buildings has been published. Using these data and dynamic thermal modelling, it is shown that passive stack ventilation alone was unlikely to maintain summertime comfort in a proposed University College London building within an urban heat island. The stack ventilation strategy was evolved by the introduction of passive downdraught cooling. This low-energy technique enables cooled air to be distributed throughout the building without mechanical assistance. The underlying principles of the technique were explored using physical models and the anticipated performance predicted using thermal modelling. The architectural integration is illustrated and the control strategy described. The resulting building is believed to be the first large-scale application of the passive downdraught cooling technique; construction began in late 2003.
Description: This article is restricted access. The article was published in the journal, Building Research & Information [© Taylor and Francis]. It is available at: http://dx.doi.org/10.1080/09613210410001679875
Version: Closed access
DOI: 10.1080/09613210410001679875
URI: https://dspace.lboro.ac.uk/2134/5282
ISSN: 0961-3218
Appears in Collections:Closed Access (Architecture, Building and Civil Engineering)

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