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Analysis of the Potential of Low-Temperature Heat Pump Energy Sources

Author

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  • Pavel Neuberger

    (Department of Mechanical Engineering, Faculty of Engineering, Czech University of Life Sciences Prague, Kamýcká 129, 165 21 Prague-Suchdol, Czech Republic)

  • Radomír Adamovský

    (Department of Mechanical Engineering, Faculty of Engineering, Czech University of Life Sciences Prague, Kamýcká 129, 165 21 Prague-Suchdol, Czech Republic)

Abstract

The paper deals with an analysis of temperatures of ground masses in the proximities of linear and slinky-type HGHE (horizontal ground heat exchanger). It evaluates and compares the potentials of HGHEs and ambient air. The reason and aim of the verification was to gain knowledge of the temperature course of the monitored low-temperature heat pump energy sources during heating periods and periods of stagnation and to analyse the knowledge in terms of the potential to use those sources for heat pumps. The study was conducted in the years 2012–2015 during three heating periods and three periods of HGHEs stagnation. The results revealed that linear HGHE had the highest temperature potential of the observed low-temperature heat pump energy sources. The average daily temperatures of the ground mass surrounding the linear HGHE were the highest ranging from 7.08 °C to 9.20 °C during the heating periods, and having the lowest temperature variation range of 12.62–15.14 K, the relative frequency of the average daily temperatures of the ground mass being the highest at 22.64% in the temperature range containing the mode of all monitored temperatures in a recorded interval of [4.10, 6.00] °C. Ambient air had lower temperature potential than the monitored HGHEs.

Suggested Citation

  • Pavel Neuberger & Radomír Adamovský, 2017. "Analysis of the Potential of Low-Temperature Heat Pump Energy Sources," Energies, MDPI, vol. 10(11), pages 1-14, November.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:11:p:1922-:d:119830
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    References listed on IDEAS

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    1. Pavel Neuberger & Radomír Adamovský & Michaela Šeďová, 2014. "Temperatures and Heat Flows in a Soil Enclosing a Slinky Horizontal Heat Exchanger," Energies, MDPI, vol. 7(2), pages 1-16, February.
    2. Pavel Pauli & Pavel Neuberger & Radomír Adamovský, 2016. "Monitoring and Analysing Changes in Temperature and Energy in the Ground with Installed Horizontal Ground Heat Exchangers," Energies, MDPI, vol. 9(8), pages 1-13, July.
    3. Tarnawski, V.R. & Leong, W.H. & Momose, T. & Hamada, Y., 2009. "Analysis of ground source heat pumps with horizontal ground heat exchangers for northern Japan," Renewable Energy, Elsevier, vol. 34(1), pages 127-134.
    4. Xiang Gou & Yang Fu & Imran Ali Shah & Yamei Li & Guoyou Xu & Yue Yang & Enyu Wang & Liansheng Liu & Jinxiang Wu, 2016. "Research on a Household Dual Heat Source Heat Pump Water Heater with Preheater Based on ASPEN PLUS," Energies, MDPI, vol. 9(12), pages 1-16, December.
    5. Cristina Sáez Blázquez & Arturo Farfán Martín & Ignacio Martín Nieto & Diego Gonzalez-Aguilera, 2017. "Measuring of Thermal Conductivities of Soils and Rocks to Be Used in the Calculation of A Geothermal Installation," Energies, MDPI, vol. 10(6), pages 1-19, June.
    6. Garcia Gonzalez, Raquel & Verhoef, Anne & Vidale, Pier Luigi & Main, Bruce & Gan, Guogui & Wu, Yupeng, 2012. "Interactions between the physical soil environment and a horizontal ground coupled heat pump, for a domestic site in the UK," Renewable Energy, Elsevier, vol. 44(C), pages 141-153.
    7. Wu, Wei & Wang, Baolong & You, Tian & Shi, Wenxing & Li, Xianting, 2013. "A potential solution for thermal imbalance of ground source heat pump systems in cold regions: Ground source absorption heat pump," Renewable Energy, Elsevier, vol. 59(C), pages 39-48.
    8. Yu Jin Nam & Xin Yang Gao & Sung Hoon Yoon & Kwang Ho Lee, 2015. "Study on the Performance of a Ground Source Heat Pump System Assisted by Solar Thermal Storage," Energies, MDPI, vol. 8(12), pages 1-17, November.
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    Cited by:

    1. Pavel Neuberger & Radomír Adamovský, 2019. "Analysis and Comparison of Some Low-Temperature Heat Sources for Heat Pumps," Energies, MDPI, vol. 12(10), pages 1-14, May.
    2. Barbara Larwa, 2018. "Heat Transfer Model to Predict Temperature Distribution in the Ground," Energies, MDPI, vol. 12(1), pages 1-16, December.
    3. Bryś, Krystyna & Bryś, Tadeusz & Sayegh, Marderos Ara & Ojrzyńska, Hanna, 2020. "Characteristics of heat fluxes in subsurface shallow depth soil layer as a renewable thermal source for ground coupled heat pumps," Renewable Energy, Elsevier, vol. 146(C), pages 1846-1866.
    4. Krzysztof Neupauer & Sebastian Pater & Krzysztof Kupiec, 2018. "Study of Ground Heat Exchangers in the Form of Parallel Horizontal Pipes Embedded in the Ground," Energies, MDPI, vol. 11(3), pages 1-16, February.
    5. Monika Gwadera & Krzysztof Kupiec, 2021. "Modeling the Temperature Field in the Ground with an Installed Slinky-Coil Heat Exchanger," Energies, MDPI, vol. 14(13), pages 1-20, July.

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