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Heat pumps and working fluids for the future.

Author(s) : LUNDQVIST P. G.

Summary

It is important to distinguish between heat pumps and heat pumping technologies. The latter includes all types of refrigeration equipment where a temperature level below the ambient is sustained by supplying either mechanical work (electricity) or heat to the heat-pumping unit (heat is pumped from a low temperature level to a high). The paper restricts itself to the first group, the heat pumps. Refrigeration cycles (of all kinds) cannot be replaced in a similar fashion. It starts with a review of some typical heat pump applications, a discussion of performance numbers and the fundamental thermodynamics required for comparing different types of heat pumping cycles. This section is followed by a review of available heat pump cycles and finally with a more in depth working fluid discussion concerning vapour compression heat pumps.

Details

  • Original title: Heat pumps and working fluids for the future.
  • Record ID : 2005-0417
  • Languages: English
  • Source: Hands-on experience with heat pumps in buildings. Workshop report [CD-ROM].
  • Publication date: 2001/10/10

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