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Optimal design and application of a compound cold storage system combining seasonal ice storage and chilled water storage

机译:组合式季节性储冰和冷水储藏的复合冷藏系统的优化设计和应用

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摘要

Seasonal cold storage using natural cold sources for cooling is a sustainable cooling technique. However, this technique suffers from limitations such as large storage space and poor reliability. Combining seasonal storage with short-term storage might be a promising solution while it is not explored sufficiently. This paper presents a compound cold storage system that combines a heat pipe-based seasonal ice storage system with a chilled water storage system. The seasonal ice storage system automatically charges winter cold energy in the form of ice. In summer, the stored ice is extracted for cooling, and then the melting ice is used as a chilling medium for chilled water storage. Design optimization of the seasonal ice storage system and the compound storage system is addressed, including the sizes of heat pipes, the configuration and volume of the cold storage tank and the chiller capacity. A case study is conducted to demonstrate the design and the application of the proposed system in a real building in Beijing. Results show that the appropriate combination of the two types of cold storage can greatly improve the applicability of the seasonal cold storage and reduce the life-cycle cost of a building cooling system by 40%. (C) 2016 Elsevier Ltd. All rights reserved.
机译:使用自然冷源进行冷却的季节性冷库是一种可持续的冷却技术。然而,该技术遭受诸如存储空间大和可靠性差的限制。将季节性存储与短期存储相结合可能是一个很有前途的解决方案,但还没有得到充分的探索。本文提出了一种复合式冷藏系统,该系统将基于热管的季节性冰存储系统与冷冻水存储系统相结合。季节性冰存储系统会以冰的形式自动填充冬季的冷能。在夏季,将存储的冰提取出来进行冷却,然后将融化的冰用作冷却水存储的冷却介质。讨论了季节性冰存储系统和复合存储系统的设计优化问题,包括热管的尺寸,冷库的配置和体积以及冷水机组的容量。进行了案例研究,以证明所建议的系统在北京的实际建筑中的设计和应用。结果表明,两种类型的冷库的适当组合可以大大提高季节性冷库的适用性,并将建筑物制冷系统的生命周期成本降低40%。 (C)2016 Elsevier Ltd.保留所有权利。

著录项

  • 来源
    《Applied Energy》 |2016年第1期|1-11|共11页
  • 作者单位

    Tsinghua Univ, Dept Bldg Sci, Beijing 100084, Peoples R China|Hong Kong Polytech Univ, Dept Bldg Serv Engn, Hong Kong, Hong Kong, Peoples R China;

    Tsinghua Univ, Dept Bldg Sci, Beijing 100084, Peoples R China;

    Tsinghua Univ, Dept Bldg Sci, Beijing 100084, Peoples R China;

    Eindhoven Univ Technol, Dept Built Environm, POB 513, NL-5600 MB Eindhoven, Netherlands;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Seasonal thermal storage; Chilled water storage; Renewable energy; Optimal design; Life-cycle assessment;

    机译:季节性储热;冷冻水;可再生能源;优化设计;生命周期评估;
  • 入库时间 2022-08-18 00:08:15

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