Cristin-person-ID: 32301
Person

Aktiv cristin-person Armin Hafner

  • Stilling:
    Professor
    ved Institutt for energi- og prosessteknikk ved Norges teknisk-naturvitenskapelige universitet

Kontaktinformasjon

Sted
Dr.-Ing. Armin Hafner Professor Kuldeteknikk NTNU Institutt for energi- og prosessteknikk Kolbjørn Hejes vei 1D No-7491 Trondheim

Resultater Resultater

General heat transfer correlations for supercritical carbon dioxide heated in vertical tubes for upward and downward flows.

Ye, Zuliang; Zendehboudi, Alireza; Hafner, Armin; Cao, Feng. 2022, International journal of refrigeration. XJU, NTNUVitenskapelig artikkel

The Performance Analysis of an Integrated CO2 Refrigeration System with Multi-Ejectors Installed in a Supermarket.

Söylemez, Engin; Hafner, Armin; Schlemminger, Christian; Kriezi, Ekaterini E.; Khorshidi, Vahid. 2022, Energies. SINTEFEN, NTNU, DANMARKVitenskapelig artikkel

The Applications of Ammonia-Water Absorption Compression High-Temperature Heat Pumps in European Food Industry.

Ren, Shuai; Ahrens, Marcel Ulrich; Hafner, Armin. 2022, High-Temperature Heat Pump Symposium 2022. NTNUPoster

Development of a combined absorption-compression heat pump test facility at high-temperature operation.

Ahrens, Marcel Ulrich; Hafner, Armin; Eikevik, Trygve Magne. 2019, High-Temperature Heat Pump Symposium 2019. NTNUPoster

Ongoing research for the utilization of NH3-H2O absorption-compression heat pumps at high temperature operation.

Ahrens, Marcel Ulrich; Hamid, Khalid; Tolstorebrov, Ignat; Hafner, Armin; Eikevik, Trygve Magne. 2022, High-Temperature Heat Pump Symposium 2022. NTNUVitenskapelig foredrag
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