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Modèle énergétique d'une pompe à chaleur aérothermique pour explorer l’amélioration des performances dans des conditions de froid : étude dans l’environnement Python. 

Energy model of an air source heat pump to explore performance improvements under cold conditions: a Python framework.

Numéro : 3326

Auteurs : ERMEL C., BIANCHI M. V. A., SCHNEIDER P. S.

Résumé

Replacing combustion appliances with heat pumps can be part of a strategy to electrify buildings. When their electricity is supplied by renewables, the adoption of heat pumps for space heating may help curb the CO2 emissions inherent to traditional heating systems that burn natural gas or coal. When operating in very cold climates, however, heat pump performance deteriorates, sometimes requiring backup heating supplied by electric resistances or other sources to continue to function. To avoid the use of electric resistances, complementary technologies, like thermal energy storage, solar collectors, or alternative refrigerants, have been explored in recent years. In this study, we present an open-source Python-based numerical model developed to evaluate the annual hourly performance of an air source heat pump (ASHP) operating in the USA. Simulation results include coefficient of performance and heating capacity. The model, validated with experimental results, will be employed in the future to investigate the feasibility of integrating thermal energy storage and other technologies into ASHPs operating in cold climates.

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Pages : 10 p.

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Détails

  • Titre original : Energy model of an air source heat pump to explore performance improvements under cold conditions: a Python framework.
  • Identifiant de la fiche : 30030225
  • Langues : Anglais
  • Source : 2022 Purdue Conferences. 7th International High Performance Buildings Conference at Purdue.
  • Date d'édition : 2022

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