基于相变材料的冷能存储系统新方案：设计、建模与仿真
Novel scheme for a PCM-based cold energy storage system. Design, modelling, and simulation
AI总结：
本文提出并比较了基于相变材料的冷能存储系统的连续与离散两种仿真模型，前者适用于解耦充放操作，后者能模拟更现实的部分操作，为冷能管理提供灵活方案。
摘要：
本文研究了一种新型热储能（TES）系统与基于相变材料（PCM）的制冷系统相结合的设计与动态建模。由TES系统支持的冷能生产是一个极具吸引力的研究领域，因为它允许灵活的冷能管理，将需求满足与成本降低策略相结合。本文提出并比较了两种基于PCM的冷能存储系统的仿真模型。首先，开发了一个连续模型，其应用仅限于解耦的充/放操作。在此条件下，该模型相对精确，适用于TES参数的整定。第二个提出的模型是离散模型，尽管它实现了系统行为的离散近似，但允许研究更一般的条件，例如一系列部分充/放操作。针对解耦的充/放操作，比较了两种模型的仿真结果，并分析了离散模型表示更现实的部分操作的能力。
英文摘要：
This paper studies the design and dynamic modelling of a novel thermal energy storage (TES) system combined with a refrigeration system based on phase change materials (PCM). Cold-energy production supported by TES systems is a very appealing field of research, since it allows flexible cold-energy management, combining demand fulfilment with cost reduction strategies. The paper proposes and compares two different simulation models for a cold-energy storage system based on PCM. First, a continuous model is developed, the application of which is limited to decoupled charging/discharging operations. Given such conditions, it is a relatively precise model, useful for the tuning of the TES parameters. The second proposed model is a discrete one, which, despite implementing a discrete approximation of the system behaviour, allows to study more general conditions, such as series of partial charging/discharging operations. Simulation results of both models are compared regarding decoupled charging/discharging operations, and the ability of the discrete model to represent more realistic partial operations is analysed.
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