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Exergy and energy analysis of a ground-source heat pump for domestic water heating under simulated occupancy conditions.

Author(s) : ALLY M. R., MUNK J. D., BAXTER V. D., et al.

Type of article: Article, IJR article

Summary

This paper presents analysis of a 5.275 kW (1.5-ton) water-to-water ground source heat pump (WW-GSHP) satisfying hot water needs in a 345 m2 research house operated under simulated occupancy conditions. The hot water use protocol from the Building America Research Benchmark Definition claims to capture the living habits of the average American household and its impact on energy consumption. Energy and exergy analyses provide insight on system efficiency and sources of irreversibility, the main cause of wasted energy. The WW-GSHP shared the ground loop with a 7.56 kW water to air ground source heat pump (WA-GSHP) to space condition the same house. Understanding the performance of GSHPs is vital if the ground is to be used as a viable renewable energy resource.

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Pages: 1417-1430

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Details

  • Original title: Exergy and energy analysis of a ground-source heat pump for domestic water heating under simulated occupancy conditions.
  • Record ID : 30008128
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 36 - n. 5
  • Publication date: 2013/08

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