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The analysis of long-term borehole heat exchanger system exploitation

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Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
The key issue in designing borehole heat exchangers (BHE) is the long-term performance of the ground source heat pump (GSHP) systems. The performance directly reflects economic profitability and depends on a large number of parameters including rock formation, the construction of the borehole heat exchangers, working parameters (circulation rates) and thermal load. The objective of the paper is to perform a realistic long-term (up to 10 years) analysis of the ground system to show possible degradation of efficiency over time. A mathematical model of the heat transfer in a borehole heat exchanger and the surrounding area has been constructed for parameters of the currently running experimental system. The long-term performance of the ground source heat pump system is evaluated.
Rocznik
Strony
227--235
Opis fizyczny
Bibliogr. 6 poz. rys., tab., wykr.
Twórcy
autor
  • AGH University of Science and Technology 30 Mickiewicza Ave, 30059 Kraków, Poland
autor
  • AGH University of Science and Technology 30 Mickiewicza Ave, 30059 Kraków, Poland
Bibliografia
  • [1] A. Chiasson. Advances in modeling of ground-source heat pump system. University of Windsor, Canada, 1989.
  • [2] A. Gonet, T. Sliwa, S. Stryczek, A. Sapinska-Sliwa, M. Jaszczur, L. Pajak, A. Zlotkowski. Methodology for the identification of potential heat of the rock mass along with technology implementation and operation of the borehole heat exchangers. Wydawnictwa AGH, Krakow, 2011.
  • [3] M. Hanuszkiewicz-Drapała. Modeling of thermal phenomena in ground heat exchangers of heat pumps taking into account hydraulic resistances. Modelling in Engineering, 38: 57–68, 2009 (in Polish).
  • [4] K. Morita. One Possible Way to Utilize Abandoned Deep Wells – the Application of the DCHE. International Scientific Conference – Geothermal Energy in Underground Mines, 129–148, 2001.
  • [5] M.J. O’Sullivan, K. Pruess, M. Lippmann. State of the art of geothermal reservoir simulation. Geothermics, 30: 395–429, 2001.
  • [6] J. Składzień, M. Hanuszkiewicz-Drapała, A. Fic. Thermal Analysis of Vertical Ground Exchangers of Heat Pumps. Heat Transfer Engineering, 27: 2–13, 2006.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-d7320741-ee0f-42bc-99b9-97e01b1763ec
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