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Feng, Zhuangbo and Luo, Xilian and Wang, Junqi and Cao, Shi-Jie Energy-efficient preservation environment control for enclosed exhibition hall of earthen relics. Energy and Buildings, Volume 256, 1 February 2022, 111713, 256.

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Historical earthen sites are bright stars in historical and cultural heritages. In order to effectively protect and display earthen sites (including cultural relics and soil), the fully-enclosed exhibition halls are established but without any environment control system. This will lead to some diseases of earthen sites, e.g., crystallization, structural cracking, which is due to continuous water/moisture loss of earthen sites. Hence, this work aims to control water and heat transfer between earthen site and ambient environment by proposing an energy-efficient environment control system, based on optimal design of ventilation and air conditioning. Numerical strategy was developed to calculate heat & moisture transfer between air and relics. Further this model was applied to optimize key design parameters (e.g. inlet air parameters) of environment control system through numerical simulations. Compared to fully-enclosed exhibition hall without control measures (moisture loss, −1.65 g/s), the moisture loss issue is solved by environment control system with optimal design (moisture gain, 0.013 g/s). The parameter design of control system is very essential, and different design parameters can lead to deviation of energy consumption up to 71%. This research is of great significance to mitigate the deterioration problems of enclosed exhibition hall of earthen relics, and the proposed numerical strategy can provide a useful tool for the control of other similar physical environments.

Item Type: Article
Uncontrolled Keywords: Earthen relics; Preservative environment; Moisture transfer; Energy saving; Exhibition hall;
Subjects: English > Climate Change Adaptation
Depositing User: Susanna Carlsten
Date Deposited: 18 Oct 2022 06:02
Last Modified: 18 Oct 2022 06:02

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