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Exergy Analysis of a Ground Source Heat Pump System Under Cooling and Heating Conditions

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Proceedings of the 8th International Symposium on Heating, Ventilation and Air Conditioning

Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 262))

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Abstract

Energy and exergy analyses models were established to evaluate the performance of a ground source heat pump (GSHP) based on the energy conservation and the exergy destruction principles. The GSHP supplies cooling water and hot water to the air handling unit of a building air-conditioning system in cooling and heating season, respectively. It rejects and absorbs heat from the soil through borehole heat exchangers accordingly. The models were programmed and the properties of the working mediums were calculated by calling the software REFPROP. Results indicate that GSHP system operates at higher exergy efficiency in heating mode. The exergy efficiencies of the whole system are 23.07 and 34.31 % in cooling and heating modes, respectively. And the performances of every component are evaluated.

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References

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Author information

Authors and Affiliations

  1. School of Environmental and Municipal Engineering, **’an University of Architecture and Technology, 13 Yanta Road, **’an, 710055, China

    Lei Zhao & Chen Yuan

Authors
  1. Lei Zhao
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  2. Chen Yuan
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Correspondence to Lei Zhao .

Editor information

Editors and Affiliations

  1. **'an University of Architecture and Technology, **'an, People's Republic of China

    Angui Li

  2. Tsinghua University, Bei**g, People's Republic of China

    Yingxin Zhu

  3. The University of Hong Kong, Hong Kong, People's Republic of China

    Yuguo Li

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Zhao, L., Yuan, C. (2014). Exergy Analysis of a Ground Source Heat Pump System Under Cooling and Heating Conditions. In: Li, A., Zhu, Y., Li, Y. (eds) Proceedings of the 8th International Symposium on Heating, Ventilation and Air Conditioning. Lecture Notes in Electrical Engineering, vol 262. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-39581-9_79

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  • DOI: https://doi.org/10.1007/978-3-642-39581-9_79

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-39580-2

  • Online ISBN: 978-3-642-39581-9

  • eBook Packages: EngineeringEngineering (R0)

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