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        Coupled Cooling Method and Application of Latent Heat Thermal Energy Storage Combined with Pre-cooling of Envelope: Method and Model development

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        Author
        Yuan, Y
        Gao, X
        Wu, Hongwei
        Zhang, Z
        Cao, X
        Yu, N
        Sun, Liangliang
        Attention
        2299/17730
        Abstract
        The traditional cooling methods cannot meet the requirements of safety, stability, reliability and no-power at the same time under some special circumstances. In this study, a new coupled cooling method of Latent Heat Thermal Energy Storage (LHTES) combined with Pre-cooling of Envelope (PE) is proposed and the numerical model of the coupled cooling method is developed. In the current study, a refuge chamber is selected as a case study. A semi-analytical method is used to analyze the cold storage performance of the Surrounding Rock (SR). Afterwards, a numerical model of the coupled cooling system, which takes the heat source, SR, Phase Change Material (PCM) and air heat transfer into consideration, is further established. The study identified that the simplified semi-analytical calculation formula with the diagram of the cold storage quantity of SR are very helpful for engineering calculation. The influence of the Fourier and Biot number on the cold storage capacity of SR can be easily analyzed. In addition, the whole-field model of the coupled cooling system is completely developed based on the PCM unit.
        Publication date
        2017-01-15
        Published in
        Energy
        Published version
        https://doi.org/10.1016/j.energy.2016.11.058
        Other links
        http://hdl.handle.net/2299/17730
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