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2020
1 Kauko, Hanne; Rohde, Daniel; Hafner, Armin.
Local Heating Networks with Waste Heat Utilization: Low or Medium Temperature Supply?. Energies 2020 ;Volum 13.(4) s. -
ENERGISINT NTNU Untitled
 
2 Koti, Dasi; Singh, Simarpreet; Guruchethan, A.M.; Maiya, M.P.; Hafner, Armin; Banasiak, Krzysztof; Nekså, Petter.
Performance Evaluation of Ejector Based CO₂ System for Simultaneous Heating and Cooling Application in an Indian Dairy Industry. Thermal Science and Engineering Progress 2020
ENERGISINT NTNU Untitled
 
3 Opalic, Sven Myrdahl; Goodwin, Morten; Lei, Jiao; Nielsen, Henrik Kofoed; Pardiñas, Ángel Á.; Hafner, Armin; Kolhe, Mohan Lal.
ANN modelling of CO2 refrigerant cooling system COP in a smart warehouse. Journal of Cleaner Production 2020 ;Volum 260. s. 1-10
NTNU UIA Untitled
 
4 Singh, Simarpreet; Maiya, Prakash; Hafner, Armin; Banasiak, Krzysztof; Nekså, Petter.
Energy efficient multiejector CO2 cooling system for high ambient temperature. Thermal Science and Engineering Progress 2020 ;Volum 19.
ENERGISINT NTNU Untitled
 
2019
5 Abdin, Nour; Hafner, Armin; Girotto, Sergio; Menten, Franziska; Pruss, Yannick; Savigliano, Riccardo.
CO2 commercial refrigeration system in Jordan. I: Proceedings of the 25th IIR International Congress of Refrigeration. Montréal, Canada, August 24-30, 2019. International Institute of Refrigeration 2019 ISBN 978-2-36215-035-7. s. 3476-3483
NTNU Untitled
 
6 Ahrens, Marcel Ulrich; Hafner, Armin; Eikevik, Trygve Magne.
Development of a combined absorption-compression heat pump test facility at high temperature operation. Cross-sector Workshop - HighEFF; 2019-10-23 - 2019-10-24
NTNU Untitled
 
7 Ahrens, Marcel Ulrich; Hafner, Armin; Eikevik, Trygve Magne.
Development of a combined absorptioncompression heat pump test facility at high temperature operation. HighEFF Cross-sector workshop; 2019-10-23 - 2019-10-24
NTNU Untitled
 
8 Ahrens, Marcel Ulrich; Hafner, Armin; Eikevik, Trygve Magne.
Development of Ammonia-Water Hybrid Absorption- Compression Heat Pumps. I: Proceedings of the 25th IIR International Congress of Refrigeration. Montréal, Canada, August 24-30, 2019. International Institute of Refrigeration 2019 ISBN 978-2-36215-035-7. s. 4942-4949
NTNU Untitled
 
9 Ahrens, Marcel Ulrich; Hafner, Armin; Eikevik, Trygve Magne.
Compressors for ammonia-water hybrid absorption-compression heat pumps. I: 8th Conference on Ammonia and CO2 Refrigeration Technologies, Proceedings. International Institute of Refrigeration 2019 ISBN 978-2-36215-034-0. s. 366-373
NTNU Untitled
 
10 Allymehr, Ehsan; Eikevik, Trygve Magne; Hafner, Armin.
Experimental investigation of evaporation of propane (R-290) in small pipes. I: Proceedings of the 25th IIR International Congress of Refrigeration. Montréal, Canada, August 24-30, 2019. International Institute of Refrigeration 2019 ISBN 978-2-36215-035-7. s. 1855-1862
NTNU Untitled
 
11 Andreasen, Glenn; Stoustrup, J.; Izadi-Zamanabadi, R.; Pardiñas, Ángel Á.; Hafner, Armin.
Data-Driven Modeling of a CO2 Refrigeration System. 2019 American Control Conference (ACC); 2019-07-10 - 2019-07-12
NTNU Untitled
 
12 Andreasen, Glenn; Stoustrup, Jakob; Izadi-Zamanabadi, Roozbeh; Pardiñas, Angel A.; Hafner, Armin.
Data-Driven Modeling of a CO2 Refrigeration System. American Control Conference, Philadelphia, USA, July 2019; 2019-07-01 - 2019-07-03
NTNU Untitled
 
13 Andreasen, Glenn; Stoustrup, Jakob; Izadi-Zamanabadi, Roozbeh; Pardiñas, Ángel Á.; Hafner, Armin.
Data-driven modeling of a CO2 refrigeration system. American Control Conference (ACC) 2019 ;Volum 2019-July. s. 5385-5390
NTNU Untitled
 
14 Andreasen, Glenn; Stoustrup, Jakob; Pardiñas, Ángel Á.; Hafner, Armin; Izadi-Zamanabadi, R..
Data-driven modelling of a R744 refrigeration system with parallel compression configuration.. I: Proceedings of the 25th IIR International Congress of Refrigeration. Montréal, Canada, August 24-30, 2019. International Institute of Refrigeration 2019 ISBN 978-2-36215-035-7. s. 2399-2407
NTNU Untitled
 
15 Banasiak, Krzysztof; Singh, Simarpreet; Hafner, Armin; Maiya, Prakash; Nekså, Petter; Pardiñas, Ángel Á..
Experimental investigation of CO2 systems for Indian supermarkets with parallel configuration of multiejectors (INDEE). I: Proceedings of the 25th IIR International Congress of Refrigeration. Montréal, Canada, August 24-30, 2019. International Institute of Refrigeration 2019 ISBN 978-2-36215-035-7. s. 3924-3931
ENERGISINT NTNU Untitled
 
16 Giacomelli, Francesco; Mazzelli, Federico; Banasiak, Krzysztof; Hafner, Armin; Milazzo, Adriano.
Experimental and computational analysis of a R744 flashing ejector. International journal of refrigeration 2019 ;Volum 107. s. 326-343
ENERGISINT NTNU Untitled
 
17 Gullo, Paride; Hafner, Armin; Banasiak, Krzysztof.
Thermodynamic Performance Investigation of Commercial R744 Booster Refrigeration Plants Based on Advanced Exergy Analysis. Energies 2019 ;Volum 12.
ENERGISINT NTNU Untitled
 
18 Gullo, Paride; Hafner, Armin; Banasiak, Krzysztof; Minetto, Silvia; Kriezi, Ekaterini E..
Multi-Ejector Concept: A Comprehensive Review on its Latest Technological Developments. Energies 2019 ;Volum 12.(3)
ENERGISINT NTNU Untitled
 
19 Hafner, Armin.
CoolFish - Energy efficient and climate friendly cooling, freezing and heating onboard fishing vessels. Årsmøte i Fiskebåt Nord; 2019-11-28 - 2019-11-29
NTNU Untitled
 
20 Hafner, Armin.
The advantages of natural working fluids. I: Proceedings of the 25th IIR International Congress of Refrigeration. Montréal, Canada, August 24-30, 2019. International Institute of Refrigeration 2019 ISBN 978-2-36215-035-7. s. 2456-2464
NTNU Untitled
 
21 Hafner, Armin.
Why natural working fluids are a smart choice for energy efficient heat pumps and refrigeration units. HighEFF Annual Consortium Meeting 2019; 2019-05-08 - 2019-05-09
NTNU Untitled
 
22 Hafner, Armin; Gabrielii, Cecilia H; Widell, Kristina Norne.
Refrigeration units in marine vessels Alternatives to HCFCs and high GWP HFCs. Nordisk ministerråd 2019 (ISBN 978-92-893-5940-5) 80 s. TemaNord(527)
ENERGISINT OCEAN NTNU Untitled
 
23 Hafner, Armin; Pardiñas, Ángel Á..
CO2 refrigeration technology: Possible innovations. Science et technique du froid 2019 ;Volum 2019-April. s. 173-180
NTNU Untitled
 
24 Haida, Michal; Smolka, Jacek; Hafner, Armin; Palacz, Michal; Ostrowski, Zeimowit; Bodys, Jakub; Kriezi, Ekaterini E.; Försterling, Sven; Nowak, Andrzej J.; Banasiak, Krzysztof.
Performance operation of liquid ejectors for a R744 integrated multi-ejector supermarket system using a hybrid ROM. International journal of refrigeration 2019 ;Volum 110. s. 58-74
ENERGISINT NTNU Untitled
 
25 Jin, Zhequan; Hafner, Armin; Eikevik, Trygve Magne; Nekså, Petter.
Preliminary study on CO2 transcritical ejector enhanced compressor refrigeration system for independent space cooling and dehumidification. International journal of refrigeration 2019 ;Volum 100. s. 13-20
ENERGISINT NTNU Untitled
 
26 Kauko, Hanne; Rohde, Daniel; Hafner, Armin.
Local thermal grids with waste heat utilization: low- or medium-temperature supply?. 5th International Conference on Smart Energy Systems; 2019-09-10 - 2019-09-11
ENERGISINT NTNU Untitled
 
27 ; Sundal, Eirin Vannes.
Energy flow analysis of a smart thermal grid at Leangen. : NTNU 2019 146 s.
ENERGISINT NTNU Untitled
 
28 Kihle, Jørgen Formo.
Smart thermal grid concepts for the Leangen area. : NTNU 2019 101 s.
ENERGISINT NTNU Untitled
 
29 Kumar, Kundan; Singh, Simarpreet; Kumar, Pramod; Maiya, M.P.; Hafner, Armin; Banasiak, Krzysztof; Nekså, Petter.
Experimental analysis of transcritical CO2 booster refrigeration system with heat recovery and ejector expansion. I: Proceedings of the 25th IIR International Congress of Refrigeration. Montréal, Canada, August 24-30, 2019. International Institute of Refrigeration 2019 ISBN 978-2-36215-035-7. s. 1467-1474
ENERGISINT NTNU Untitled
 
30 Manescu, Raluca Iolanda; Allouche, Yosr; Hafner, Armin.
Experimental evaluation of ice storage inside a helical coil heat exchanger integrated into a R744 refrigeration system. Science et technique du froid 2019 ;Volum 2019-April. s. 287-294
NTNU Untitled
 
31 Manescu, Raluca Iolanda; Allouche, Yosr; Janeiro, Ana Larranaga; Hafner, Armin.
Experimental investigation on the integration of cold energy storage into a R744 refrigeration system. I: Proceedings of the 25th IIR International Congress of Refrigeration. Montréal, Canada, August 24-30, 2019. International Institute of Refrigeration 2019 ISBN 978-2-36215-035-7. s. 3566-3573
NTNU Untitled
 
32 Mastrowski, Mikolaj; Smolka, Jacek; Hafner, Armin; Haida, Michal; Palacz, Michal; Banasiak, Krzysztof.
Experimental study of the heat transfer problem in expansion devices in CO2 refrigeration systems. Energy 2019 ;Volum 173. s. 586-597
ENERGISINT NTNU Untitled
 
33 Ringstad, Knut Emil; Allouche, Yosr; Gullo, Paride; Banasiak, Krzysztof; Hafner, Armin.
CO2 ejector modelling using CFD: current status. I: Proceedings of the 25th IIR International Congress of Refrigeration. Montréal, Canada, August 24-30, 2019. International Institute of Refrigeration 2019 ISBN 978-2-36215-035-7. s. 2813-2822
ENERGISINT NTNU Untitled
 
34 Ringstad, Knut Emil; Allouche, Yosr; Hafner, Armin.
Investigation of CFD models for ammonia ejector design. HighEFF Annual Consortium Meeting 2019; 2019-05-08 - 2019-05-09
NTNU Untitled
 
35 Ringstad, Knut Emil; Hafner, Armin; Allouche, Yosr.
Investigation of CFD models for ammonia ejector design. I: 8th Conference on Ammonia and CO2 Refrigeration Technologies, Proceedings. International Institute of Refrigeration 2019 ISBN 978-2-36215-034-0. s. 94-100
NTNU Untitled
 
36 Selvnes, Håkon; Allouche, Yosr; Sevault, Alexis; Hafner, Armin.
A CFD analysis for the performance assessment of a novel design of plates-in-tank latent storage unit for freezing applications. I: 8th Conference on Ammonia and CO2 Refrigeration Technologies, Proceedings. International Institute of Refrigeration 2019 ISBN 978-2-36215-034-0. s. 303-310
ENERGISINT NTNU Untitled
 
37 Selvnes, Håkon; Allouche, Yosr; Sevault, Alexis; Hafner, Armin.
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; 2019-04-11 - 2019-04-13
ENERGISINT NTNU Untitled
 
38 Selvnes, Håkon; Allouche, Yosr; Sevault, Alexis; Hafner, Armin.
CFD modeling of ice formation and melting in horizontally cooled and heated plates. HighEFF Annual Consortium Meeting 2019; 2019-05-08 - 2019-05-09
ENERGISINT NTNU Untitled
 
39 Selvnes, Håkon; Allouche, Yosr; Sevault, Alexis; Hafner, Armin.
CFD modeling of ice formation and melting in horizontally cooled and heated plates. I: Eurotherm Seminar #112 - Advances in Thermal Energy Storage. Lleida, Spain: Edicions de la Universitat de Lleida 2019 ISBN 978-84-9144-155-7. s. 837-847
ENERGISINT NTNU Untitled
 
40 Selvnes, Håkon; Allouche, Yosr; Sevault, Alexis; Hafner, Armin.
CFD modeling of ice formation and melting in horizontally cooled and heated plates. Eurotherm Seminar 112 - Advances in Thermal Energy Storage; 2019-05-15 - 2019-05-17
ENERGISINT NTNU Untitled
 
41 Selvnes, Håkon; Hafner, Armin; Kauko, Hanne.
Design of a cold thermal energy storage unit for industrial applications using CO2 as refrigerant. I: Proceedings of the 25th IIR International Congress of Refrigeration. Montréal, Canada, August 24-30, 2019. International Institute of Refrigeration 2019 ISBN 978-2-36215-035-7. s. 1879-1886
ENERGISINT NTNU Untitled
 
42 Singh, Simarpreet; Hafner, Armin; Banasiak, Krzysztof; Maiya, Prakash; Nekså, Petter.
Experimental Evaluation of a Multi-Ejector Trans-critical CO2 System for Supermarkets. I: Proceedings of the 25th IIR International Congress of Refrigeration. Montréal, Canada, August 24-30, 2019. International Institute of Refrigeration 2019 ISBN 978-2-36215-035-7. s. 3419-3427
ENERGISINT NTNU Untitled
 
43 Smitt, Silje Marie; Hafner, Armin.
Numerical performance investigation of a CO2 heat pump and refrigeration system for a Nordic hotel. I: Proceedings of the 25th IIR International Congress of Refrigeration. Montréal, Canada, August 24-30, 2019. International Institute of Refrigeration 2019 ISBN 978-2-36215-035-7. s. 4207-4214
NTNU Untitled
 
44 Smitt, Silje Marie; Hafner, Armin; Hoksrød, Erik.
Presentation of the first combined CO2 heat pump, air conditioning and hot tap water system for a hotel in Scandinavia. I: 8th Conference on Ammonia and CO2 Refrigeration Technologies, Proceedings. International Institute of Refrigeration 2019 ISBN 978-2-36215-034-0. s. 220-226
NTNU Untitled
 
45 Taguas Garzon, Francisco Javier; Hafner, Armin.
Heat pumps for energy efficient breweries. Science et technique du froid 2019 ;Volum 2019-April. s. 358-365
NTNU Untitled
 
46 Verlaat, B; Petagna, P.; Zwalinski, L; Daguin, J.; Giakoumi, D.; Bhanot, V; Battistin, M; Hafner, Armin; Collot, J; Bondoux, Dominique; Postema, H; Tropea, P; Blust, Stefanie; Hanf, P; Pardiñas, Ángel Á..
CO2 cooling challenges at CERN for the future phase 2 upgrade program. I: Proceedings of the 25th IIR International Congress of Refrigeration. Montréal, Canada, August 24-30, 2019. International Institute of Refrigeration 2019 ISBN 978-2-36215-035-7. s. 351-359
NTNU Untitled
 
47 Verpe, Espen Halvorsen; Tolstorebrov, Ignat; Sevault, Alexis; Hafner, Armin; Ladam, Yves.
Cold thermal energy storage with low-temperature plate freezing of fish on offshore vessels. I: Proceedings of the 25th IIR International Congress of Refrigeration. Montréal, Canada, August 24-30, 2019. International Institute of Refrigeration 2019 ISBN 978-2-36215-035-7. s. 3133-3140
ENERGISINT NTNU Untitled
 
48 Widell, Kristina Norne; Dhakal, Pranab Raj; Thakur, Maitri; Hafner, Armin.
Refrigeration to prevent food losses. I: Proceedings of the 25th IIR International Congress of Refrigeration. Montréal, Canada, August 24-30, 2019. International Institute of Refrigeration 2019 ISBN 978-2-36215-035-7. s. 2956-2963
OCEAN NTNU Untitled
 
49 Widell, Kristina Norne; Nordtvedt, Tom Ståle; Hafner, Armin.
Er kuldemediet i kjøle- og fryseutstyr viktig for vårt klima?. Norsk Sjømat 2019 ;Volum 1.
OCEAN NTNU Untitled
 
2018
50 Blust, Stefanie; Hafner, Armin; Banasiak, Krzysztof; Nekså, Petter.
Possible configurations of multiejector driven CO2 systems for Indian supermarkets. I: Proceedings of the 13th IIR Gustav Lorentzen Conference, Valencia, 2018. International Institute of Refrigeration 2018 ISBN 978-2-36215-026-5. s. -
ENERGISINT NTNU Untitled
 
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