CUED Publications database

Longitudinal prediction of the operational energy use of buildings

de Wilde, P and Tian, W and Augenbroe, G (2011) Longitudinal prediction of the operational energy use of buildings. Building and Environment, 46. pp. 1670-1680. ISSN 0360-1323

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Thus far most studies of operational energy use of buildings fail to take a longitudinal view, or in other words, do not take into account how operational energy use changes during the lifetime of a building. However, such a view is important when predicting the impact of climate change, or for long term energy accounting purposes. This article presents an approach to deliver a longitudinal prediction of operational energy use. The work is based on the review of deterioration in thermal performance, building maintenance effects, and future climate change. The key issues are to estimate the service life expectancy and thermal performance degradation of building components while building maintenance and changing weather conditions are considered at the same time. Two examples are presented to demonstrate the application of the deterministic and stochastic approaches, respectively. The work concludes that longitudinal prediction of operational energy use is feasible, but the prediction will depend largely on the availability of extensive and reliable monitoring data. This premise is not met in most current buildings. © 2011 Elsevier Ltd.

Item Type: Article
Uncontrolled Keywords: Building maintenance Climate change Component degradation Longitudinal thermal performance Operational energy use
Divisions: Div D > Structures
Depositing User: Cron job
Date Deposited: 16 Jul 2015 13:39
Last Modified: 25 Nov 2015 10:38
DOI: 10.1016/j.buildenv.2011.02.006