Blar i Institutt for energi og prosessteknikk på tidsskrift "Science et technique du froid"

Viser treff 1-4 av 4

    • Integrated CO2 solutions for supermarkets 

      Hafner, Armin; Nekså, Petter (Journal article; Peer reviewed, 2018)
      Supermarkets represent a refrigeration application area which is spearheading towards the total phase in of natural working fluids. Exposed to demanding customers where reputation is an important part of the business, focus ...

    • Integrated energy concepts for high performance hotel buildings 

      Smitt, Silje Marie; Hafner, Armin (Journal article, 2018)
      Integrated energy concepts with heat recovery are not widely applied for hotels, i.e. there is a huge potential to further reduce the specific primary energy demand in this kind of buildings. The development and implementation ...

    • Performance investigation of a multi-ejector R744 heat pump 

      Singh, Simarpreet; Reddy, Amshith; Prakash, Maiya P.; Banasiak, Krzysztof; Hafner, Armin; Nekså, Petter (Journal article; Peer reviewed, 2018)
      Carbon dioxide (CO2, R744) is a natural refrigerant which is emerging as a potential substitute for Hydrofluorocarbons (HFCs) and FCs nowadays because of its eco-friendliness, non-flammability, high volumetric capacity and ...

    • Thermal Energy Storage with PCM for Refrigerated Sea Water System of Fishing Vessels 

      Saeed, Muhammad Zahid; Widell, Kristina Norne; Hafner, Armin; Svendsen, Eirik Starheim; Nordtvedt, Tom Ståle (Peer reviewed; Journal article, 2021)
      This paper investigates thermal storage integration with the refrigerated seawater (RSW) system of a fishing vessel. Four different scenarios were investigated, including ice in tanks, two design modifications in chilling ...