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IIR document

Design of a system to produce domestic hot water based on a water to water heat pump booster.

Number: pap. n. 1131

Author(s) : HERVÁS-BLASCO E., NAVARRO-PERIS E., CORBERÁN J. M.

Summary

Domestic Hot Water (DHW) demand will remain similar in spite of the effort done to reduce energy consumption in houses. Heat pump (HP) is a potential technology to produce DHW due to its high efficiency. However, DHW application is characterized by high secondary temperature lifts for what HPs have been using transcritical cycles. Under the European project “NEXTHPG”, a water-to-water HP prototype (WtWHP) was developed. This HP stands out for: its high efficiency, the recuperation of the heat from wastewater mass flows and the use of natural refrigerants with subcritical cycles (propane). The main objective of this work is to design a DHW production system integrating this WtWHP, a preheating heat exchanger, and a storage tank including the control strategy that leads to the maximum CO2 emissions reduction.

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Pages: 8

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Details

  • Original title: Design of a system to produce domestic hot water based on a water to water heat pump booster.
  • Record ID : 30026515
  • Languages: English
  • Source: Proceedings of the 25th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
  • Publication date: 2019/08/24
  • DOI: http://dx.doi.org/10.18462/iir.icr.2019.1131

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