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Étude d’un système à boucle secondaire avec des frigorigènes efficaces et inflammables pour le conditionnement d’air mobile.

The study of secondary loop system with efficient and flammable refrigerants in MAC. 

Numéro : No 245

Auteurs : HWANG I., LEE H., CHOI G., KIM J., OH M.

Résumé

In EV market, two key factors are driving range and cost. The conventional heat pump system can extend driving range in cold season, but it has lots of components and has complicated structures. The cost of heat pump is also more expensive than normal air-condition system with air PTC heater. To solve these challenges, secondary loop system has been considered for EV thermal management system based on coolant system. However, it has weak point in regard to fast cool down, warm up and maximum performance due to heat loss. To solve those problems, some refrigerant is in study, and we did drop in test with efficient & flammable refrigerants (R1234yf, R152a, R290). Test result shows the possibility of secondary loop system & challenges.

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Pages : 6 p.

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Détails

  • Titre original : The study of secondary loop system with efficient and flammable refrigerants in MAC. 
  • Identifiant de la fiche : 30030058
  • Langues : Anglais
  • Sujet : Technologie
  • Source : 13th IEA Heat Pump Conference 2021: Heat Pumps – Mission for the Green World. Conference proceedings [full papers]
  • Date d'édition : 31/08/2021

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