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Numerical analysis of the influence of different control strategies on the seasonal performance of an air-to-water heat pump.

Number: pap. ID: 168

Author(s) : MOLINAROLI L., BIANCHI C., MAGNI F., et al.

Summary

The paper illustrates the results of a numerical study carried out to investigate the influence of different heating capacity control strategies on the seasonal performance of an air-to-water heat pump. The analysis is carried out through a dynamic mathematical model of the system composed by the heat pump, the radiant heating floor and the house and considering three different control strategies of the heating capacity supplied by the heat pump and two control strategies of the temperature of the water leaving the heat pump. Simulations are carried out both in the scenario where the heat pump is used only for heating purpose and where the heat pump is used also for tap hot water production. The results allow to state that the heat pump control strategy strongly influences its seasonal performance and, with an optimal choice, it is possible to achieve higher seasonal COP and to reduce indoor air temperature and floor temperature fluctuations.

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Pages: 8 p.

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Details

  • Original title: Numerical analysis of the influence of different control strategies on the seasonal performance of an air-to-water heat pump.
  • Record ID : 30001593
  • Languages: English
  • Source: Proceedings of the 23rd IIR International Congress of Refrigeration: Prague, Czech Republic, August 21-26, 2011. Overarching theme: Refrigeration for Sustainable Development.
  • Publication date: 2011/08/21

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