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Performance evaluation of operational energy use in refurbishment, reuse, and conservation of heritage buildings for optimum sustainability

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Frontiers of Architectural Research 2016年第3期5卷 371-382页

作者： O.K. Akande D. Odeleye, A. Coday C.Jimenez Bescos Department of Engineering & the Built Environment Anglia Ruskin University Chelmsford United Kingdom

The operational phase of a building project has increasingly gained importance with their energy performance becoming valuable and determining their operational excellence. In most heritage building projects （HBPs）, the operational energy use aspects are less considered, and a systematic way of analyzing their energy performance following project delivery is often lacking, The aim of this study is to evaluate the operational performance of refurbishment and reuse of UK listed church projects. The objective is to assess the operational energy use with a view to optimizing their sustafnabie performance. The methodology includes eight selected case study buildings refurbished and converted for multipurpose use. The case study approach provided qualitative insights into how the study contributes to a more structured requirements for energy management in HBPs with specific attention to energy-efficient building operations. The findings show the need to focus on fundamental areas of operational management （i.e. by developing and implementing more focused policy on operational energy performance of heritage buildings） to minimize the energy required to operate them. The challenges of implementing changes in operational energy performance improvement of heritage buildings are addressed in the form of recommendations that could Lead to real results. The study concludes that leveraging these areas requires commitment from all heritage building stakeholders because they all have substantial roles in harmonizing the requirement for the project＇s sustainability and not just the building operators. Meanwhile, baseline project planning, periodic updating, monitoring, and managing the energy use pattern are suggested as measures that could greatly facilitate better energy performance to optimizing their sustainable reuse compared with the traditional approach of trying to improve their thermal performance.

关键词： Heritage buildings Listed churches operational energy Performance Refurbishment Sustainabitity

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What leads to variations in the results of life-cycle energy assessment?An evidence-based framework for residential buildings

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能源与人工环境(英文) 2021年第4期2卷 392-405页

作者： Hossein Omrany Veronica Soebarto Jian Zuo Ehsan Sharifi Ruidong Chang School of Architecture&Built Environment-University of Adelaide AdelaideAustralia

Residential buildings are one of the major contributors to climate change due to their significant impacts on global energy ***,most countries have introduced regulations to minimize energy use in residential *** date,the focus of these regulations has mainly been on operational energy while excluding embodied *** recent years,extensive studies have highlighted the necessity of minimizing both embodied energy and operational energy by applying the life-cycle energy assessment(LCEA)***,the absence of a standardized framework and calculation methodology for the analysis of embodied energy has reportedly led to variations in the LCEA *** research endeavoured to explore the causes of variations,with a limited focus on calculating embodied *** the undertaken attempts,there is still a need to investigate the key parameters causing variations in LCEA results by examining methodological approaches of the current studies toward quantifications of embodied and operational *** paper aims to address three primary questions:‘what is the current trend of methodological approach for applying LCEA in residential buildings?’;‘what are the key parameters causing variations in LCEA results?’;and‘how can the continued variations in the application of LCEA in residential buildings be overcome?’.To this end,40 LCEA studies representing 157 cases of residential buildings across 16 countries have been critically *** findings reveal four principal categories of parameters that potentially contribute to the varying results of LCEAs:system boundary definition,calculation methods,geographical context,and interpretation of *** paper also proposes a conceptual framework to minimize variations in LCEA studies by standardizing the process of conducting LCEAs.

关键词： Life cycle energy assessment Life cycle assessment Residential buildings energy efficiency Embodied energy operational energy

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