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Feasibility study of snow melting system for bridge decks using geothermal energy piles integrated with heat pump in Canada

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  • Liu, Hongwei
  • Maghoul, Pooneh
  • Bahari, Ako
  • Kavgic, Miroslava

Abstract

Snow melting systems using geothermal energy piles are a clean technology to overcome the problems of traditional chemical-based snow melting methods. This paper aims to study the feasibility of such systems in six major cities (Calgary, Edmonton, Montreal, Ottawa, Toronto and Winnipeg) in Canada. The amount of energy, as well as the inlet temperature of a hydronic system required to warm up and keep the surface temperature of a bridge slab unit above 0 °C during a typical snowfall were determined based on a transient energy balance at the slab surface and weather conditions for each city. The coefficient of performance (COP) of the heat pump for a bridge was then derived for each city based on its specific local geological conditions and heating demands. Also, the problems related to the ground thermal imbalance due to the operation of such systems were addressed. Finally, the economic feasibility study was performed to compare costs between a snow melting system for a bridge deck using geothermal energy piles and an electricity-based heating system. It was concluded that the snow melting system using geothermal energy piles is efficient and cost effective. However, the extent of efficiency and saving varies with implementation areas.

Suggested Citation

  • Liu, Hongwei & Maghoul, Pooneh & Bahari, Ako & Kavgic, Miroslava, 2019. "Feasibility study of snow melting system for bridge decks using geothermal energy piles integrated with heat pump in Canada," Renewable Energy, Elsevier, vol. 136(C), pages 1266-1280.
    • Handle: RePEc:eee:renene:v:136:y:2019:i:c:p:1266-1280
    DOI: 10.1016/j.renene.2018.09.109
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    References listed on IDEAS

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    1. Han, Chanjuan & Yu, Xiong (Bill), 2017. "Feasibility of geothermal heat exchanger pile-based bridge deck snow melting system: A simulation based analysis," Renewable Energy, Elsevier, vol. 101(C), pages 214-224.
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    Cited by:

    1. Yuanlong Cui & Fan Zhang & Yiming Shao & Ssennoga Twaha & Hui Tong, 2022. "Techno-Economic Comprehensive Review of State-of-the-Art Geothermal and Solar Roadway Energy Systems," Sustainability, MDPI, vol. 14(17), pages 1-50, September.
    2. Junlin Wang & Zhao Li, 2021. "Experimental Study of Thermal Response of Vertically Loaded Energy Pipe Pile," Sustainability, MDPI, vol. 13(13), pages 1-12, July.
    3. Shi, Hao & Xu, Huining & Tan, Yiqiu & Li, Qiang & Yi, Wei, 2022. "Multi-objective optimization of operation strategy in snow melting system for airfield runway using genetic algorithm: A case study in Beijing Daxing International Airport," Renewable Energy, Elsevier, vol. 201(P2), pages 100-116.
    4. Ma, Qijie & Wang, Peijun, 2020. "Underground solar energy storage via energy piles," Applied Energy, Elsevier, vol. 261(C).
    5. Iman Izadgoshasb & Yee Yan Lim & Ricardo Vasquez Padilla & Mohammadreza Sedighi & Jeremy Paul Novak, 2019. "Performance Enhancement of a Multiresonant Piezoelectric Energy Harvester for Low Frequency Vibrations," Energies, MDPI, vol. 12(14), pages 1-16, July.
    6. Xu, Huining & Shi, Hao & Tan, Yiqiu & Ye, Qing & Liu, Xiujie, 2022. "Modeling and assessment of operation economic benefits for hydronic snow melting pavement system," Applied Energy, Elsevier, vol. 326(C).
    7. Heidari, Bahareh & Akbari Garakani, Amir & Mokhtari Jozani, Sahar & Hashemi Tari, Pooyan, 2022. "Energy piles under lateral loading: Analytical and numerical investigations," Renewable Energy, Elsevier, vol. 182(C), pages 172-191.
    8. Jinli Xie & Yinghong Qin, 2021. "Heat Transfer and Bearing Characteristics of Energy Piles: Review," Energies, MDPI, vol. 14(20), pages 1-15, October.

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