Modeling and Performance Evaluation of Heat Pump Water Heater Systems

Arslan Saleem, Tehmina Ambreen, Carlos E. Ugalde-Loo

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Countries around the world have introduced strict energy policies to mitigate the adverse effects of global warming and climate change. These policies call for a change on a massive scale to decarbonize existing energy systems and to provide energy flexibility. Building stock accounts for a large percentage of carbon emissions. To support the decarbonization of buildings, this paper investigates the performance of a heat pump water heater (HPWH) system under a hot water draw-off load profile. The HPWH system was modeled in TRNSYS using a water-to-water heat pump, a hot water storage tank, and hydraulic components. A simulated load profile tapped a net useful energy content of 11.655 kWh in terms of domestic hot water. The coefficient of performance of the heat pump was calculated. In addition, the temperature distribution inside the storage tank and the water heating efficiency were obtained. The performance estimation of HPWH systems under daily heat load schedules may help in the design and selection of an energy efficient system which would, in turn, contribute to the decarbonization of building stock.

Original languageEnglish
Title of host publication2022 19th International Conference on Electrical Engineering, Computing Science and Automatic Control (CCE)
Place of PublicationMexico City, Mexico
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Number of pages5
ISBN (Electronic)9781665455084
DOIs
Publication statusPublished - 15 Dec 2022
Event2022 19th International Conference on Electrical Engineering, Computing Science and Automatic Control (CCE) - Mexico City, Mexico
Duration: 9 Nov 202211 Nov 2022
Conference number: 19
https://cce.cinvestav.mx/

Publication series

NameCCE 2022 - 2022 19th International Conference on Electrical Engineering, Computing Science and Automatic Control
PublisherIEEE
ISSN (Print)2642-3774
ISSN (Electronic)2642-3766

Conference

Conference2022 19th International Conference on Electrical Engineering, Computing Science and Automatic Control (CCE)
Abbreviated titleCCE 2022
Country/TerritoryMexico
CityMexico City
Period9/11/2211/11/22
Internet address

Keywords

  • heat pump water heater
  • hot water storage tank
  • load profile
  • TRNSYS

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