会议论文详细信息
7th European Thermal-Sciences Conference
Study of potential nonconformities of a new recreation center building's envelope
Stanescu, M.^1 ; Kajl, S.^1 ; Lamarche, L.^1
Ecole de Technologie Supérieure, Montréal
QC
H3C 1K3, Canada^1
关键词: Building energy performance;    Building envelopes;    Building performance;    Energy analysis;    Energy recovery;    Recovery process;    Refrigeration compressors;    Refrigeration system;   
Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/745/3/032036/pdf
DOI  :  10.1088/1742-6596/745/3/032036
来源: IOP
PDF
【 摘 要 】

This article presents a building envelope's analysis in order to verify the compliance with mandatory provisions of the Model National Energy Code for Buildings in Canada (MNECB 1997). Because some of the requirements are not met, investigations were carried out to provide justifications in order to prove that the building can be considered as an exception to the mandatory provisions of MNECB. Therefore, we evaluate the impact of three (3) potential nonconformities of the building's walls on the building energy performance. In regards to article 3.1.1.1.4 of MNECB, there is an exception if it can be proved that permanent process (like heat recovery of refrigeration compressors) can produce at all times enough heat that no other heating source is required. First of all, by using simulation, we were able to indicate that almost all building's heating will be provided by energy recovery from ice rinks refrigeration systems (99.2%). Secondly, by using an energy analysis carried out with HEAT2 software, we can show that the increase of heating energy demand caused by the 3 studied walls is very low. This represents an increase of the heating energy demand of only 0.2%, and this, regardless of the heat recovery process. Because the nonconforming wall sections are small (0.97% of the envelope area), this mainly explains the minor impact in terms of building performance. In conclusion, according to the results obtained, we were able to recommend the building for consideration as an exception to the mandatory provisions of MNECB.

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