Sensitivity of Hygrothermal Analysis to Uncertainty in Rain Data

Cornick, S. M.; Dalgliesh, W. A.; Maref, W.

doi:10.1520/jai102032

Cited by 7 publications

(1 citation statement)

References 20 publications

(20 reference statements)

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“…The uncertainty of rainfall data in this study should also be noted, which is highly relevant as the effect of rainfall data on hygrothermal performance can have a significant effect on simulated mould growth. Cornick et al [55] found that there was uncertainty associated with the use of 6 h precipitation times steps, as utilised by the NCEI archive. It has been demonstrated that measuring rainfall data in hourly timesteps may not even be granular enough and may still produce errors in wind-driven rain [56].…”

Section: Outdoor Climate and Orientationmentioning

confidence: 99%

Mass Timber Envelopes in Passivhaus Buildings: Designing for Moisture Safety in Hot and Humid Australian Climates

et al. 2021

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The uptake of buildings employing cross-laminated timber (CLT) assemblies and designed to Passivhaus standard has accelerated internationally over the past two decades due to several factors including responses to the climate crisis by decarbonising the building stock. Structural CLT technology and the Passivhaus certification both show measurable benefits in reducing energy consumption, while contributing to durability and indoor comfort. However, there is a general lack of evidence to support a fast uptake of these technologies in Australia. This paper responds to the compelling need of providing quantitative data and adoption strategies; it explores their combined application as a potential pathway for climate-appropriate design of energy-efficient and durable mass timber envelope solutions for subtropical and tropical Australian climates. Hygrothermal risk assessments of interstitial condensation and mould growth of CLT wall assemblies inform best-practice design of mass timber buildings in hot and humid climates. This research found that the durability of mass timber buildings located in hot and humid climates may benefit from implementing the Passivhaus standard to manage interior conditions. The findings also suggested that climate-specific design of the wall assembly is critical for mass timber buildings, in conjunction with excellent stormwater management practices during construction and corrosion protection for metallic fasteners.

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Section: Outdoor Climate and Orientationmentioning

confidence: 99%