Mechanical compressor-driven thermochemical storage for cooling applications in tropical insular regions
Mechanical compressor-driven thermochemical storage for cooling applications in tropical insular regions
复制标题
机械压缩机驱动的热化学储存，用于热带岛屿地区的冷却应用
DOI：
10.1016/j.egypro.2017.12.479
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发表时间：
2017
期刊：
影响因子：
--
通讯作者：
F. Lucas
中科院分区：
文献类型：
--
作者：
F. Ferrucci;D. Stitou;P. Ortega;F. Lucas
法属波利尼西亚群岛等热带岛屿地区的能源状况面临许多挑战，包括高度依赖进口燃料、来自大陆的运输成本高昂以及电网薄弱。就电能需求而言，这些地区全年高温意味着很大一部分电力消耗（~40%）用于冷却建筑物，即使在晚上也是如此。本文提出了一种由光伏（PV）电驱动的空调系统，该系统结合了机械蒸汽制冷系统和热化学存储单元。热化学过程能够以化学势的形式存储能量，几乎没有损失，并且这种能量可用于在晚上进行冷却，而无需运行压缩机。对这种混合系统的效率进行了评估，并与利用电化学（铅、锂离子电池）或蓄热（冰、冷冻水）来冷却生产的替代工艺进行比较。
The energy situation in tropical insular regions, such as in the French Polynesian islands, presents a number of challenges, including high dependence on imported fuel, high transport costs from the mainland and weak electricity grids. With regards to electrical energy demand, the high temperatures in these regions throughout the entire year implies that a large proportion of electricity consumption (~40%) is used to cool buildings, even during evening hours. This paper presents an air conditioning system driven by photovoltaic (PV) electricity that combines a mechanical vapor refrigeration system and a thermochemical storage unit. Thermochemical processes are able to store energy in the form of chemical potential with virtually no losses, and this energy can be used to produce cooling during the evening hours without the need to run a compressor. The efficiency of such a hybrid system is evaluated and compared with alternative processes that utilize either electrochemical (Pb, Li-ion batteries) or thermal storage (ice, chilled water) for cooling production.