Selection of a phase change material and its thickness for application in walls of buildings for solar-assisted steam curing of precast concrete

Nan Yu, Chao Chen, Khamid Mahkamov, Fengtao Han, Chen Zhao, Jie Lin, Lixing Jiang and Yaru Li

Renewable Energy, 2020, vol. 150, issue C, 808-820

Abstract: Prefabricated concrete (PC) components require curing at the specific environment after being cast for the concrete to harden to the required levels over a certain period of time. Currently, steam curing is used as the major technique in concrete production. However, this method is highly energy consuming and requires large amounts of fossil fuels. Analysis of thermal process parameters in PC curing and thermal properties of phase change materials (PCMs), developed by the research team at Beijing University of Technology for the greenhouse applications, resulted in the development of the conceptual design of passive solar PC steam curing buildings with on-wall PCM heat storage. The process of selection of the PCM for installation on the inner surface of the main sun-facing wall of solar passive curing buildings is described. The selection is the result of the evaluation of suitable PCMs using the simultaneous process of transient energy consumption simulation with the deployment of EnergyPlus software and one-dimensional unsteady heat transfer modelling across the thickness of the thermal storage.

Keywords: Prefabricated concrete (PC) components; Passive solar curing building; Phase change material (PCM) selection (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:150:y:2020:i:c:p:808-820

DOI: 10.1016/j.renene.2019.12.130

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