Evaluating thermal performance of vertical building envelopes: Case studies in a Canadian university campus

Mahmoodzadeh, Milad; Gretka, Voytek; V, Alex Blue; Adams, David; Dallimore, Brent; Mukhopadhyaya, Phalguni

doi:10.1016/j.jobe.2021.102712

Cited by 10 publications

(3 citation statements)

References 28 publications

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“…Combined with the longitudinal comparison between the arc mean elasticity of building cooling load and the arc mean elasticity of building heat load, the influence of different parameters of building envelope on the annual cumulative cooling load and heat load is analyzed [28,29]. Combined with the horizontal comparison between the average elastic value of the arc mean of building cooling load and the average elastic value of the arc mean of building heating load, the influence degree of building energy load and parameters is sorted, and the factors that need to be given priority in the reconstruction of building envelope in severe cold areas are obtained [30][31][32].…”

Section: Inputmentioning

confidence: 99%

Analysis on the Influence of Building Envelope on Building Energy Efficiency in Severe Cold Area

2022

IJM

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With the rapid development of the global economy, the world energy consumption is increasing day by day. Mankind is facing the problem of energy shortage. Energy conservation and emission reduction has become the focus of countries all over the world. In order to study the influence of building envelope on building energy efficiency in severe cold area, the sensitivity analysis is used to analyze the influence relationship between building envelope and building energy efficiency. Combined with DeST simulation software, the building model is established, and the arc mean elasticity method is used to analyze the sensitivity of building energy load to different building envelope parameters. The results show that the external windows of the building envelope have the greatest impact on the building energy efficiency, followed by the external walls, and the roof has the least impact on the energy efficiency. The sensitivity coefficients of the annual cumulative load to the external windows, exterior walls and roofs of buildings are 7.93%, 5.76% and 5.75% respectively. Studying the influence of enclosure structure on building energy efficiency in severe cold areas has important practical value for reducing building energy consumption in severe cold areas and provides data reference for scientifically improving building energy efficiency and building skill transformation in severe cold areas.

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Section: Inputmentioning

confidence: 99%

Analysis on the Influence of Building Envelope on Building Energy Efficiency in Severe Cold Area

2022

IJM

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“…In pursuit of this objective, the building structure and configuration are integral components of the building system, exerting a substantial influence on the connection between the internal environment and the ambient surroundings. A more detailed analysis reveals that approximately half of the load is attributed to the heat gain and/or loss through the building envelope [22][23][24]. Addressing these challenges is paramount for mitigating energy and environmental issues, leading to numerous initiatives focused on improving building energy efficiency.…”

Section: Introductionmentioning

confidence: 99%

Numerical Study of the Solar Energy-Powered Embedded Pipe Envelope System

Wang,

Onn,

Chew

et al. 2024

Buildings

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This study introduces a Solar Energy-Powered Embedded Pipe Envelope System (SEPES) designed to enhance indoor thermal comfort and reduce heating loads during the heating season. To achieve this objective, a dynamic simulation model coupling a SEPES and building thermal environment was established under the TRNSYS environment. Based on the model, a case analysis was conducted to investigate the operational characteristics of the system during the heating season in a rural building in Beijing. The results indicate that, on the coldest heating day, the system can elevate the indoor temperature by 14.5 °C, reducing the daily heat load from 76.3 kWh to 20.3 kWh, achieving a remarkable energy savings of 73.4%. Additionally, due to the utilization of lower solar heat collection temperatures, the energy efficiency of the system reaches 26.9%. Throughout the entire heating season, the SEPES system enhances the natural indoor temperature by 13.3 °C to 16.6 °C, demonstrating significant effectiveness. Moreover, regional adaptability analysis indicates that the SEPES achieves energy savings ranging from 43.9% to 66% during the heating season in cold regions and regions with hot summers and cold winters in China. Overall, the SEPES is most suitable for climates characterized by both low temperatures and abundant solar radiation in order to achieve optimal performance.

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“…Most studies have been conducted on higher education buildings such as universities and colleges. For example, Mahmoodzadeh et al [ 13 ] evaluated the potential energy savings of vertical envelope retrofitting of 49 campus buildings in the University of Victoria, Canada, and first used the heat loss coefficient (HLC) to quantify the thermal performance of the university building envelope. Gui et al [ 14 ] selected 122 university buildings located in Australia and collected their weekly electricity data and detailed space use information, showing that the health sciences was the most energy-intensive discipline, and buildings dedicated to research have the highest energy use intensity.…”

Section: Introductionmentioning

confidence: 99%

Energy justice in education sector: The impact of student demographics on elementary and secondary school energy consumption

Huang

Gou

Cai

2023

Heliyon

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Evaluating thermal performance of vertical building envelopes: Case studies in a Canadian university campus

Cited by 10 publications

References 28 publications

Analysis on the Influence of Building Envelope on Building Energy Efficiency in Severe Cold Area

Analysis on the Influence of Building Envelope on Building Energy Efficiency in Severe Cold Area

Numerical Study of the Solar Energy-Powered Embedded Pipe Envelope System

Energy justice in education sector: The impact of student demographics on elementary and secondary school energy consumption

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