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Peak cooling load shift capability of a thermal energy storage system integrated with an active insulation system in US climate zones
Energy and Buildings ( IF 6.6 ) Pub Date : 2022-09-16 , DOI: 10.1016/j.enbuild.2022.112484
Sungkyun Jung , Yeobeom Yoon , Piljae Im , Mikael Salonvaara , Jin Dong , Borui Cui , Melissa Lapsa

This study aims to evaluate a thermal energy storage (TES) system integrated with an active insulation system (AIS) to form a TES + AIS integrated wall system as a partition and as a secondary cooling system to shift the peak load and reduce cooling energy consumption. To understand and demonstrate its cooling performance, the TES + AIS integrated wall system was installed in an office building in Oak Ridge, Tennessee. To investigate the effect of the TES + AIS integrated wall system in a typical office building and various climate zones, the US Department of Energy’s prototype office building model was modified to accommodate the proposed system. Results showed that the minimum size of the proposed system to achieve energy savings varies depending on climate conditions. The minimum size of the proposed system for cooling energy saving and shifting peak cooling demand in climate zones 2, 3, and 5 is 29.7 m2, whereas it is 44.6 m2 in zones 4 and 6. By installing the minimum size of the proposed system, 11.3 % to 16.4 % of cooling energy can be shifted during discharge hours in a representative summer day.



中文翻译:

美国气候区与主动绝缘系统集成的热能存储系统的峰值冷负荷转移能力

本研究旨在评估与主动绝缘系统 (AIS) 集成的热能存储 (TES) 系统,以形成 TES + AIS 集成墙系统作为隔断和二次冷却系统,以转移峰值负荷并降低冷却能耗. 为了了解和展示其冷却性能,TES + AIS 集成墙系统安装在田纳西州橡树岭的一栋办公楼中。为了研究 TES + AIS 集成墙系统在典型办公楼和各种气候区中的​​效果,美国能源部的原型办公楼模型进行了修改以适应建议的系统。结果表明,实现节能的拟议系统的最小规模因气候条件而异。2区,而在 4 区和 6 区为 44.6 m 2。通过安装建议系统的最小尺寸,11.3 % 到 16.4 % 的冷却能量可以在典型的夏日排放时间内转移。

更新日期:2022-09-16
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