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Optimal sizing of hybrid ground-source heat pump systems that use a cooling pond as a supplemental heat rejecter: a system simulation approach.

Author(s) : RAMAMOORTHY M., JIN H., CHIASSON A. D., et al.

Summary

Cooling-dominated commercial and institutional buildings served by ground-source heat pump (GSHP) systems generally reject more heat to a closed ground-loop heat exchanger (GLHE) than they extract over the annual cycle. So-called "hybrid GSHP systems" use supplemental heat rejecters (such as cooling towers, fluid coolers, cooling ponds, or pavement heating systems) to reject excess heat on a seasonal or diurnal basis, thereby reducing the first cost of the system. The design challenge lies in finding the optimum size of both the GLHE and the supplemental heat rejecter. The study uses a system simulation approach to investigate various design alternatives with the aim of optimally sizing a GLHE with a cooling pond supplemental heat rejecter.

Details

  • Original title: Optimal sizing of hybrid ground-source heat pump systems that use a cooling pond as a supplemental heat rejecter: a system simulation approach.
  • Record ID : 2002-1065
  • Languages: English
  • Source: ASHRAE Transactions. 2001 Winter Meeting, Atlanta, GA. Volume 107, part 1 + CD-ROM.
  • Publication date: 2001
  • Document available for consultation in the library of the IIR headquarters only.

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