Ten differences of seasonal borehole thermal energy storage system from ground-source heat pump system

IF 6.6 2区工程技术 Q1 CONSTRUCTION & BUILDING TECHNOLOGY Energy and Buildings Pub Date : 2024-11-03 DOI:10.1016/j.enbuild.2024.114994

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Abstract

Since both the cross-seasonal borehole thermal energy storage (BTES) system and the ground source heat pump (GSHP) system use buried tubes for heat exchange, GSHP is often mistaken for a BTES system. However, there are essential differences between the GSHP system and the BTES system, and the purpose of this study is to elucidate in detail the differences between these two systems. This study first summarizes the practical application cases of seasonal BTES globally, and then deeply compares and analyzes the differences between the seasonal BTES system and GSHP system from ten different perspectives, including system definition, technology timeline, purpose of buried tube heat exchanger, heat sources, soil temperature changes, buried tube heat exchanger volume, design of the buried tube heat exchanger, energy storage modes, biggest drawback, system performance evaluation. Finally, the future development prospects and research directions of the seasonal BTES system are further discussed. In summary, although the GSHP system may be confused with the seasonal BTES system in some aspects, they are indeed two different systems. Compared to the GSHP system, the seasonal BTES system can solve the contradiction between energy supply and demand in time and space, and effectively improve energy utilization efficiency.

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季节性钻孔蓄热系统与地源热泵系统的十大区别

由于跨季节钻孔热能储存（BTES）系统和地源热泵（GSHP）系统都使用埋管进行热交换，GSHP 经常被误认为是 BTES 系统。然而，GSHP 系统与 BTES 系统之间存在本质区别，本研究的目的就是要详细阐明这两种系统之间的区别。本研究首先总结了全球范围内季节性 BTES 的实际应用案例，然后从系统定义、技术年限、地埋管换热器的用途、热源、土壤温度变化、地埋管换热器体积、地埋管换热器设计、储能模式、最大缺点、系统性能评估等十个方面深入对比分析了季节性 BTES 系统与 GSHP 系统的差异。最后，进一步讨论了季节性 BTES 系统的未来发展前景和研究方向。总之，尽管在某些方面，GSHP 系统与季节性 BTES 系统可能会被混淆，但它们确实是两种不同的系统。与 GSHP 系统相比，季节性 BTES 系统可以解决能源供需在时间和空间上的矛盾，有效提高能源利用效率。

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来源期刊

Energy and Buildings 工程技术-工程：土木

CiteScore

12.70

自引率

11.90%

发文量

863

审稿时长

38 days

期刊介绍： An international journal devoted to investigations of energy use and efficiency in buildings Energy and Buildings is an international journal publishing articles with explicit links to energy use in buildings. The aim is to present new research results, and new proven practice aimed at reducing the energy needs of a building and improving indoor environment quality.