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Cooling dominated Hybrid Ground Source Heat Pump System application

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  • Sagia, Z.
  • Rakopoulos, C.
  • Kakaras, E.

Abstract

A cooling dominated Hybrid Ground Source Heat Pump System (HGSHPS) is utilized to cover the energy demands of an office building. The energy demands are computed by TRNSYS 16.1, considering two different scenarios, based on different glazing properties. A ground loop consisted of a rectangular field of 15 borehole heat exchangers is utilized to cover building loads. GLD 2009 sizing software calculates borehole length setting two different fixed temperatures for the heat carrier fluid entering heat pump, 30°C and 33°C. Assuming different cooling tower capacity, the desired flow rate is estimated for a cooling range of 5.7°C (the difference between the water inlet and outlet temperature). A MATLAB code is created to calculate the required pressure drop per packing height of cooling tower for four packings in different operating conditions.

Suggested Citation

  • Sagia, Z. & Rakopoulos, C. & Kakaras, E., 2012. "Cooling dominated Hybrid Ground Source Heat Pump System application," Applied Energy, Elsevier, vol. 94(C), pages 41-47.
    • Handle: RePEc:eee:appene:v:94:y:2012:i:c:p:41-47
    DOI: 10.1016/j.apenergy.2012.01.031
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    References listed on IDEAS

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    1. Florides, Georgios & Kalogirou, Soteris, 2007. "Ground heat exchangers—A review of systems, models and applications," Renewable Energy, Elsevier, vol. 32(15), pages 2461-2478.
    2. Barigozzi, G. & Perdichizzi, A. & Ravelli, S., 2011. "Wet and dry cooling systems optimization applied to a modern waste-to-energy cogeneration heat and power plant," Applied Energy, Elsevier, vol. 88(4), pages 1366-1376, April.
    3. Yang, H. & Cui, P. & Fang, Z., 2010. "Vertical-borehole ground-coupled heat pumps: A review of models and systems," Applied Energy, Elsevier, vol. 87(1), pages 16-27, January.
    4. Man, Yi & Yang, Hongxing & Wang, Jinggang, 2010. "Study on hybrid ground-coupled heat pump system for air-conditioning in hot-weather areas like Hong Kong," Applied Energy, Elsevier, vol. 87(9), pages 2826-2833, September.
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