新冠肺炎疫情对教育建筑能耗的影响——以约旦大学为例

IF 2.2 Q2 CONSTRUCTION & BUILDING TECHNOLOGY Frontiers in Built Environment Pub Date : 2023-07-14 DOI:10.3389/fbuil.2023.1212423
O. Ayadi, S. Alnaser, M. Haj-ahmed, Hussam J. Khasawneh, Sereen Z. Althaher, Mohammad Alrbai, M. Arabiat
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引用次数: 0

摘要

许多国家为抗击新冠肺炎疫情而采取的全球封锁措施,导致高等教育机构的教学方式发生重大转变,转向依赖在线学习系统。虽然这场大流行病给学术机构带来了技术和财政负担,难以促进成功过渡到在线学习,但它也提供了机会,让我们了解采取新政策和战略的影响,以提高资源的有效利用,从而降低业务成本。对能源消耗变化的详细分析可以帮助评估未来广泛采用在线学习方法以改善和现代化教育系统所可能节省的电费。本文对约旦大学校园内建筑的电能消耗进行了详细的分析。校园内建筑类型的多样性(例如大学医院、人文学院、科学学院)有助于提供更全面和有力的建议,将成果推广到其他机构,特别是发展中国家的机构。每单位面积的能源使用强度(EUI)和每名学生的能源使用强度首次被用于约旦教育建筑的能源使用基准。总体而言,分析表明,2020年的总用电量明显低于2019年,从2019年的27.7 GWh下降到2020年的21.9 GWh,下降了20.8%。研究还发现,最显著的减少发生在人文建筑中(即,能耗下降39%)。然而,考虑到学生的缺席,这一能量减少量仍然相对较低。此外,与其他类别相比,医院的EUI值极高(161千瓦时/平方米/年)(例如,人文学院的EUI为32.5千瓦时/平方米/年)。总而言之,电能消耗数据表明,在所有建筑类别中,特别是在医院中,可能存在重大的节能机会。
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Impacts of COVID-19 on educational buildings energy consumption: case study of the university of Jordan
The global lockdowns adopted by many countries to combat the outbreak of the COVID-19 pandemic led to a significant transformation in the teaching methods adopted in higher education institutions toward dependence on online learning systems. Although this pandemic has placed a technical and financial burden on academic institutions to facilitate the successful transition to online learning, it provides opportunities to understand the impacts of adopting new policies and strategies to improve the efficient utilization of resources and thus reduce operational costs. The detailed analyses of the changes in energy consumption can support assessing the potential savings in electricity bills with the wide-scale adoption of online learning methods in the future as a business as usual to improve and modernize the education systems. This paper provides a detailed analysis of the electrical energy consumption of the buildings within the campus of the University of Jordan. The diversity of building types on the campus (e.g., university hospital, humanities schools, scientific schools) supports the provision of more general and robust recommendations to extend the results to other institutions, particularly in developing countries. The Energy Use Intensity (EUI) per unit area and EUI per student are employed for the first time for benchmarking the energy usage in educational buildings in Jordan. Overall, the analyses show that the total electricity consumption in 2020 was significantly lower than in 2019, with a decrease of 20.8% from 27.7 GWh in 2019 to 21.9 GWh in 2020. It is also found that the most significant reduction occurred in the humanities buildings (i.e., a 39% drop in energy consumption). However, this volume of energy reduction is still relatively low, considering the absence of students. Furthermore, the hospital has an extremely high EUI value (161 kWh/m2/year) compared to the other categories (e.g., the EUI for humanities schools is 32.5 kWh//m2/year). To conclude, the electrical energy consumption data suggests that there may be significant opportunities for energy conservation in all building categories, especially in the hospital.
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来源期刊
Frontiers in Built Environment
Frontiers in Built Environment Social Sciences-Urban Studies
CiteScore
4.80
自引率
6.70%
发文量
266
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