Background and activities

PostDoc researcher within the refrigeration group at the departement of Energy and Process Engineering. My main activity deals with the efficient integration of thermal energy storage units into R744 transcritical refrigeration systems for food storage and freezing applications. 

Scientific, academic and artistic work

Journal publications

Part of book/report

  • Manescu, Raluca Iolanda; Allouche, Yosr; Janeiro, Ana Larranaga; Hafner, Armin. (2019) Experimental investigation on the integration of cold energy storage into a R744 refrigeration system. 25th IIR International Congress of Refrigeration Proceedings.
  • Ringstad, Knut Emil; Allouche, Yosr; Gullo, Paride; Banasiak, Krzysztof; Hafner, Armin. (2019) CO2 ejector modelling using CFD: current status. 25th IIR International Congress of Refrigeration Proceedings.
  • Ringstad, Knut Emil; Hafner, Armin; Allouche, Yosr. (2019) Investigation of CFD models for ammonia ejector design. 8th Conference on Ammonia and CO2 Refrigeration Technologies, Proceedings.
  • Selvnes, Håkon; Allouche, Yosr; Sevault, Alexis; Hafner, Armin. (2019) A CFD analysis for the performance assessment of a novel design of plates-in-tank latent storage unit for freezing applications. 8th Conference on Ammonia and CO2 Refrigeration Technologies, Proceedings.
  • Selvnes, Håkon; Allouche, Yosr; Sevault, Alexis; Hafner, Armin. (2019) CFD modeling of ice formation and melting in horizontally cooled and heated plates. Eurotherm Seminar #112 - Advances in Thermal Energy Storage.