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A bio-hygrothermal mould growth analysis of typical Australian residential wall systems
Citation
Nath, S and Dewsbury, M and Watson, P and Lovell, H and Kunzel, H, A bio-hygrothermal mould growth analysis of typical Australian residential wall systems, Proceedings of the 54th International Conference of the Architectural Science Association (ANZAScA), 26-27 November 2020, Auckland, New Zealand, pp. 1-11. ISBN 9780992383572 (2020) [Refereed Conference Paper]
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Abstract
Since 2014, Australian scholars and design and construction professionals have raised concerns about the increased presence of mould and condensation within new stand-alone and multi-residential buildings. Several studies have identified significant material decay and mould growth within external wall systems due to long-term moisture accumulation. This paper focusses on moisture and mould growth in buildings by providing an in-depth analysis of the most common external wall system for Australian residential buildings (cavity brick veneer). This wall's moisture accumulation over a ten-year period was simulated using multi-year transient hygrothermal software. Transient hygrothermal simulation is novel within the Australian research and regulatory context. Mould growth was simulated and analysed using a post-processing mould growth software. To assist in informing regulatory development, simulations were completed for three temperate Australian climate zones. The modelled wall system applied typical and regulation-compliant building material configurations for pre-2003, 2004, 2007 and 2010. The results of the modelled wall system will be used to inform national building regulations in Australia. A key component of this paper includes the evaluation of internationally accepted methods for mould growth simulation.
Item Details
Item Type: | Refereed Conference Paper |
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Keywords: | hygrothermal analysis, mould growth model, mould, condensation, health |
Research Division: | Built Environment and Design |
Research Group: | Architecture |
Research Field: | Architectural science and technology |
Objective Division: | Energy |
Objective Group: | Energy efficiency |
Objective Field: | Residential energy efficiency |
UTAS Author: | Nath, S (Mrs Shruti Nath) |
UTAS Author: | Dewsbury, M (Dr Mark Dewsbury) |
UTAS Author: | Watson, P (Dr Phillipa Watson) |
UTAS Author: | Lovell, H (Professor Heather Lovell) |
ID Code: | 142199 |
Year Published: | 2020 |
Deposited By: | Architecture and Design |
Deposited On: | 2020-12-22 |
Last Modified: | 2021-04-29 |
Downloads: | 0 |
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