Soil thermal imbalance analysis of ground source heat pump system of residential and office buildings in sixteen cities

Hu, Zicheng; Li, Wanfeng; Zhang, Haiyan; Liu, Xiaoyuan; Geng, Shuwen; Han, Yuchen; Ge, Fenghua

doi:10.1016/j.renene.2023.119860

Renewable Energy

2024

DOI: 10.1016/j.renene.2023.119860

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Soil thermal imbalance analysis of ground source heat pump system of residential and office buildings in sixteen cities

Zicheng Hu,

Wanfeng Li,

Haiyan Zhang

et al.

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2024

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Cited by 3 publications

References 31 publications

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

Zhao,

Li,

Chen

et al. 2024

Energy and Buildings

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

Zhao,

Li,

Chen

et al. 2024

Energy and Buildings

View full text Add to dashboard Cite

Experimental research on the heat balance of independent heat extraction-release double helix energy pile

Liao,

Huang,

Zhuang

et al. 2024

Thermal Science and Engineering Progress

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Experimental Study on Seasonal Ground-Coupled Heat Storage and Harvesting in Cold Regions

Xu,

Zhang,

Liu

et al. 2024

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In recent years, global efforts toward sustainable energy have intensified, aiming to reduce carbon emissions and boost energy efficiency. Heating in winter and hot water for hygiene are essential, especially in cold climates where heating demands significantly impact household energy consumption. This study examines a city in western Inner Mongolia, characterized by a severe cold climate and unique geology. A test system with dual U-shaped buried pipes for ground source heat storage and extraction was constructed, utilizing two layout schemes. Drilling tests measured formation parameters, highlighting how pipe layout and soil characteristics influence heat storage. Short-term 5-day cycles and cross-seasonal 60-day cycles were tested. Results showed upper soil suited for frequent short-term storage, while lower soil favored long-term energy retention. Increasing buried pipes raised soil temperature and storage capacity, enhancing thermal stability in short-term cycles. However, while the long-term storage capacity improved, heat loss also rose. Effective ground source heat pump design in cold regions should consider environmental temperatures, pipe optimization, soil characteristics, and heat storage duration to achieve stable, efficient operation.

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Soil thermal imbalance analysis of ground source heat pump system of residential and office buildings in sixteen cities

Cited by 3 publications

References 31 publications

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

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

Experimental research on the heat balance of independent heat extraction-release double helix energy pile

Experimental Study on Seasonal Ground-Coupled Heat Storage and Harvesting in Cold Regions

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