ADVANCED HEAT PUMPS WITH THERMAL STORAGE FOR DEMAND SIDE MANAGEMENT

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Air source heat pumps are easy to install, and in particular for those units capable of achieving higher temperatures, are able to be directly retrofitted into the higher-temperature hot water heating systems typically found in UK homes. Phase change materials (PCMs) are attractive for use in thermal energy store applications due to their high-energy storage density over a small temperature range, therefore allowing the air-source heat pump to operate during winter warmer afternoon ambient air conditions. This energy is then stored for evening use, with the added benefit of delaying the air-source heat pump start until after the peak electricity demand time of early evening. A finite-volume numerical simulation model has been used to examine the thermal performance of PCMs augmented hot water thermal energy store for a heat pump energy storage application. These simulation results will be used to improve the system operation in winter and identify limitations when used for heat pump on-off control application.
Original languageEnglish
Title of host publicationInternationalConference on Applied Energy (ICAE2012)
Number of pages9
Publication statusPublished - 5 Jul 2012
EventThe 4th International Conference on Applied Energy (ICAE) : ICAE 2012 - Suzhou, China
Duration: 5 Jul 20128 Jul 2012
http://applied-energy.org/2012/general

Conference

ConferenceThe 4th International Conference on Applied Energy (ICAE)
CountryChina
CitySuzhou
Period5/07/128/07/12
Internet address

Keywords

  • finite-volume
  • phase change material
  • heat pump
  • energy storage

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