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2017
1 Bodys, Jakub; Palacz, Michal; Haida, Michal; Smolka, Jacek; Nowak, Andrzej J.; Banasiak, Krzysztof; Hafner, Armin.
Full-scale multi-ejector module for a carbon dioxide supermarket refrigeration system: Numerical study of performance evaluation. Energy Conversion and Management 2017 ;Volum 138. s. 312-326
ENERGISINT NTNU Untitled
 
2 Gullo, Paride; Hafner, Armin; Cortella, Giovanni.
Integration d'un systeme de conditionnement d'air et d'une installation frigorifique equipee d'un precompresseur a ejecteurs multiples au R744 ? Evaluation theorique des benefices energetiques pour des applications en supermarche. International journal of refrigeration 2017 ;Volum 75. s. 164-176
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3 Jin, Zhequan; Eikevik, Trygve Magne; Nekså, Petter; Hafner, Armin.
A steady and quasi-steady state analysis on the CO2 hybrid ground-coupled heat pumping system. International journal of refrigeration 2017 ;Volum 76. s. 29-41
ENERGISINT NTNU Untitled
 
4 Jin, Zhequan; Eikevik, Trygve Magne; Nekså, Petter; Hafner, Armin; Wang, Ruzhu.
Annual energy performance of R744 and R410A heat pumping systems. Applied Thermal Engineering 2017 ;Volum 117. s. 568-576
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5 Jokiel, Michael; Kauko, Hanne; Schlemminger, Christian; Hafner, Armin; Claussen, Ingrid Camilla.
Phase change material thermal energy storage for a large ammonia chiller/heat pump system. 7th Conference on Ammonia and CO2 Refrigeration Technologies; 2017-05-11 - 2017-05-13
ENERGISINT NTNU Untitled
 
6 Kauko, Hanne; Kvalsvik, Karoline Husevåg; Rohde, Daniel; Hafner, Armin; Nord, Natasa.
Dynamic modelling of local low-temperature heating grids: A case study for Norway. Energy 2017 ;Volum 139. s. 289-297
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7 Kvalsvik, Karoline Husevåg; Banasiak, Krzysztof; Hafner, Armin.
Integrated CO2 refrigeration and AC unit for hot climates. Ammonia and CO2 Refrigeration Technologies; 2017-05-11 - 2017-05-13
ENERGISINT NTNU Untitled
 
8 Palacz, Michal; Haida, Michal; Smolka, Jacek; Nowak, Andrzej J.; Banasiak, Krzysztof; Hafner, Armin.
HEM and HRM accuracy comparison for the simulation of CO2 expansion in two-phase ejectors for supermarket refrigeration systems. Applied Thermal Engineering 2017 ;Volum 115. s. 160-169
ENERGISINT NTNU Untitled
 
9 Pardiñas, Ángel Á.; Hafner, Armin; Banasiak, Krzysztof.
Integrated R744 ejector supported parallel compression racks for supermarkets. Concept & steady state simulations of configurations. Ammonia and CO2 Refrigeration Technologies; 2017-05-11 - 2017-05-13
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10 Pardiñas, Ángel Á.; Hafner, Armin; Banasiak, Krzysztof.
Integrated R744 ejector supported parallel compression racks for supermarkets. Operation conditions.. Ammonia and CO2 Refrigeration Technologies; 2017-05-11 - 2017-05-13
ENERGISINT NTNU Untitled
 
11 Pardiñas, Ángel Á.; Hafner, Armin; Banasiak, Krzysztof; Larsen, Lars.
Performance test procedures for LCCP supermarket analysis. Ammonia and CO2 Refrigeration Technologies; 2017-05-11 - 2017-05-13
ENERGISINT NTNU Untitled
 
12 Tolstorebrov, Ignat; Eikevik, Trygve Magne; Hafner, Armin; Bantle, Michael.
Performance Simulation of a Refrigerated Sea Water System for Salmon Chilling with R744 as Refrigerant. KIFEE-2017; 2017-03-06 - 2017-03-10
ENERGISINT NTNU Untitled
 
2016
13 Bodys, Jakub; Palacz, Michal; Haida, Michal; Smolka, Jacek; Nowak, Andrzej J.; Banasiak, Krzysztof; Hafner, Armin.
Parallel Work of CO2 Ejectors Installed in a Multi-Ejector Module of Refrigeration System. Journal of Physics, Conference Series 2016 ;Volum 745.(3)
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14 Bodys, Jakub; Palacz, Michal; Smolka, Jacek; Haida, Michal; Bulinski, Zbigniew; Nowak, Andrzej J.; Fic, Adam; Banasiak, Krzysztof; Hafner, Armin.
3-D CFD modelling of multi-ejector module performance. I: 12th IIR Gustav Lorentzen Conference on Natural Refrigerants GL2016 : Proceedings. International Institute of Refrigeration 2016 ISBN 9782362150180.
ENERGISINT NTNU Untitled
 
15 Bodys, Jakub; Smolka, Jacek; Palacz, Michal; Haida, Michal; Banasiak, Krzysztof; Nowak, Andrzej J.; Hafner, Armin.
Performance of fixed geometry ejectors with a swirl motion installed in a multi-ejector module of a CO2 refrigeration system. Energy 2016 ;Volum 117. s. 620-631
ENERGISINT Untitled
 
16 Fidorra, N; Minetto, Silvia; Hafner, Armin; Banasiak, Krzysztof; Köhler, J..
Analysis of cold thermal energy storage concepts in CO2 refrigeration systems. I: 12th IIR Gustav Lorentzen Conference on Natural Refrigerants GL2016 : Proceedings. International Institute of Refrigeration 2016 ISBN 9782362150180.
ENERGISINT NTNU Untitled
 
17 Hafner, Armin.
Супермаркет будущего. chrdk.ru [Internett] 2016-07-25
ENERGISINT Untitled
 
18 Hafner, Armin.
Natural refrigerants, a complete solution - Latest technological advancements. ATMOsphere Asia 2016; 2016-02-09 - 2016-02-10
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19 Hafner, Armin.
Natural refrigerants, a complete solution - Latest technological advancements for warm climates. ATMOsphere Europe 2016; 2016-04-19 - 2016-04-20
NTNU Untitled
 
20 Hafner, Armin.
CO2 MAC (1988-2016), CO2 transport and magnetic cooling. ATMOsphere Europe 2016; 2016-04-19 - 2016-04-20
NTNU Untitled
 
21 Hafner, Armin.
Dette bør du gjøre nå. klikk.no 2016
NTNU Untitled
 
22 Hafner, Armin.
R744-ejektor butikk-kjøleanlegg Driftserfaringer fra Norges første parallellkom- presjonskjøleanlegg med ejektorsupport. Norsk Kjøleteknisk Møte; 2016-04-07 - 2016-04-08
NTNU Untitled
 
23 Hafner, Armin; Banasiak, Krzysztof.
Flexible R744-Gewerbekältelaboranlage: Kälte- und –Klimaanlagenkonfigurationen mit Ejektorunterstützung. I: Deutsche Kälte- und Klimatagung 2016 Kassel. DKV - Deutscher Kälte- und Klimatechnischer Verein 2016 ISBN 978-3-932715-91-4.
ENERGISINT NTNU Untitled
 
24 Hafner, Armin; Banasiak, Krzysztof.
Full scale supermarket laboratory R744 ejector supported & AC integrated parallel compression unit. I: 12th IIR Gustav Lorentzen Conference on Natural Refrigerants GL2016 : Proceedings. International Institute of Refrigeration 2016 ISBN 9782362150180.
ENERGISINT NTNU Untitled
 
25 Hafner, Armin; Banasiak, Krzysztof.
R744 ejector technology future perspectives. Journal of Physics, Conference Series 2016 ;Volum 745.(3)
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26 Hafner, Armin; Banasiak, Krzysztof; Boeck, Lutz.
R744 train HVAC unit. I: 12th IIR Gustav Lorentzen Conference on Natural Refrigerants GL2016 : Proceedings. International Institute of Refrigeration 2016 ISBN 9782362150180.
ENERGISINT NTNU Untitled
 
27 Hafner, Armin; Banasiak, Krzysztof; Herdlitschka, Timo; Fredslund, Kristian; Girotto, Sergio; Haida, Michal; Smolka, Jacek.
R744 ejector system case: Italian supermarket, Spiazzo. I: 12th IIR Gustav Lorentzen Conference on Natural Refrigerants GL2016 : Proceedings. International Institute of Refrigeration 2016 ISBN 9782362150180.
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28 Hafner, Armin; Boeck, Lutz; Banasiak, Krzysztof.
Bahnklimatisierung mit R744 Anlagen. I: Deutsche Kälte- und Klimatagung 2016 Kassel. DKV - Deutscher Kälte- und Klimatechnischer Verein 2016 ISBN 978-3-932715-91-4.
ENERGISINT NTNU Untitled
 
29 Haida, Michal; Banasiak, Krzysztof; Smolka, Jacek; Hafner, Armin; Eikevik, Trygve Magne.
Experimental analysis of the r744 vapour compression rack equipped with the multi-ejector expansion work recovery module. International journal of refrigeration 2016 ;Volum 64. s. 93-107
ENERGISINT NTNU Untitled
 
30 Haida, Michal; Banasiak, Krzysztof; Smolka, Jacek; Hafner, Armin; Madsen, Kenneth B..
Experimental analysis of the R744 vapour compression rack equipped with the multi-ejector expansion work recovery module. I: 12th IIR Gustav Lorentzen Conference on Natural Refrigerants GL2016 : Proceedings. International Institute of Refrigeration 2016 ISBN 9782362150180.
ENERGISINT NTNU Untitled
 
31 Haida, Michal; Palacz, Michal; Smolka, Jacek; Nowak, Andrzej J.; Hafner, Armin; Banasiak, Krzysztof.
A modified homogeneous relaxation model for CO2 two-phase flow in vapour ejector. Journal of Physics, Conference Series 2016 ;Volum 745:032159.(3)
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32 Haida, Michal; Smolka, Jacek; Palacz, Michal; Bodys, Jakub; Nowak, Andrzej J.; Bulinski, Zbigniew; Fic, Adam; Banasiak, Krzysztof; Hafner, Armin.
Numerical investigation of an R744 liquid ejector for supermarket refrigeration systems. Thermal Science 2016 ;Volum 20.(4) s. 1259-1269
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33 Haukås, Hans T.; Stene, Jørn; Rekstad, Inge Håvard; Nekså, Petter; Hafner, Armin; Eikevik, Trygve Magne.
CO2 (R744) som kuldemedium. Postboks 2312 Solli, 0201 Oslo: Norsk Kjøleteknisk Forening c/o Tekna, 2016 90 s.
NTNU Untitled
 
34 Hu, Haitao; Eikevik, Trygve Magne; Nekså, Petter; Hafner, Armin; Ding, Guoliang; Huang, Qingnan; Ye, Jingjing.
Performance analysis of an R744 ground source heat pump system with air-cooled and water-cooled gas coolers. International journal of refrigeration 2016 ;Volum 63. s. 72-86
ENERGISINT NTNU Untitled
 
35 Jin, Zhequan; Eikevik, Trygve Magne; Nekså, Petter; Hafner, Armin.
Investigation on CO2 hybrid ground-coupled heat pumping system under warm climate. International journal of refrigeration 2016 ;Volum 62. s. 145-152
ENERGISINT NTNU Untitled
 
36 Jin, Zhequan; Eikevik, Trygve Magne; Nekså, Petter; Hafner, Armin; Wang, Ruzhu.
Energy efficiency comparison of heat pumping systems using R744 and R410A as refrigerant. I: 12th IIR Gustav Lorentzen Conference on Natural Refrigerants GL2016 : Proceedings. International Institute of Refrigeration 2016 ISBN 9782362150180.
ENERGISINT NTNU Untitled
 
37 Kauko, Hanne; Kvalsvik, Karoline Husevåg; Rohde, Daniel; Hafner, Armin; Nord, Natasa.
Modelling local low-temperature heating grids: a case study for Norway. 2nd International Conference on Smart Energy Systems and 4th Generation District Heating; 2016-09-27 - 2016-09-28
ENERGISINT NTNU Untitled
 
38 Manescu, Raluca Iolanda; Hafner, Armin.
Energy Storage Possibilities for Supermarket Refrigeration Units. I: Deutsche Kälte- und Klimatagung 2016 Kassel. DKV - Deutscher Kälte- und Klimatechnischer Verein 2016 ISBN 978-3-932715-91-4.
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39 Nekså, Petter; Hafner, Armin; Bredesen, Arne Mathias; Eikevik, Trygve Magne.
CO2 as working fluid - technological development on the road to sustainable refrigeration. I: 12th IIR Gustav Lorentzen Conference on Natural Refrigerants GL2016 : Proceedings. International Institute of Refrigeration 2016 ISBN 9782362150180.
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40 Nowak, Andrzej J.; Palacz, Michal; Smolka, Jacek; Banasiak, Krzysztof; Bulinski, Zbigniew; Fic, Adam; Hafner, Armin.
CFD simulations of transport phenomena during transcritical flow of real fluid (CO2) within ejector. International journal of numerical methods for heat & fluid flow 2016 ;Volum 26.(3-4) s. 805-817
ENERGISINT Untitled
 
41 Palacz, Michal; Haida, Michal; Smolka, Jacek; Fic, Adam; Bulinski, Zbigniew; Nowak, Andrzej J.; Banasiak, Krzysztof; Hafner, Armin.
An analysis of homogeneous relaxation model accuracy for the CO2 expansion inside the two-phase ejector. I: 12th IIR Gustav Lorentzen Conference on Natural Refrigerants GL2016 : Proceedings. International Institute of Refrigeration 2016 ISBN 9782362150180.
ENERGISINT NTNU Untitled
 
42 Palacz, Michal; Haida, Michal; Smolka, Jacek; Nowak, Andrzej J.; Hafner, Armin.
A comparison of homogeneous equilibrium and relaxation model for CO2 expansion inside the two-phase ejector. Journal of Physics, Conference Series 2016 ;Volum 745.(3) s. 1-7
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43 Palacz, Michal; Smolka, Jacek; Kus, Waclaw; Fic, Adam; Bulinski, Zbigniew; Nowak, Andrzej J.; Banasiak, Krzysztof; Hafner, Armin.
CFD-based shape optimisation of a CO2 two-phase ejector mixing section. Applied Thermal Engineering 2016 ;Volum 95. s. 62-69
ENERGISINT Untitled
 
44 Palacz, Michal; Smolka, Jacek; Nowak, Andrzej J.; Banasiak, Krzysztof; Hafner, Armin.
Shape optimisation of a two-phase ejector for CO2 refrigeration systems. International journal of refrigeration 2016 ;Volum 74. s. 212-223
ENERGISINT NTNU Untitled
 
45 Pardiñas, Angel A.; Bantle, Michael; Hafner, Armin; Banasiak, Krzysztof; Fernandez-Seara, Jose.
Modelling vapour compression cycles with R744 for residential heat pumps adapted to the Spanish climate. I: 12th IIR Gustav Lorentzen Conference on Natural Refrigerants GL2016 : Proceedings. International Institute of Refrigeration 2016 ISBN 9782362150180.
ENERGISINT NTNU Untitled
 
46 Smolka, Jacek; Palacz, Michal; Bodys, Jakub; Banasiak, Krzysztof; Fic, Adam; Bulinski, Zbigniew; Nowak, Andrzej J.; Hafner, Armin.
Performance comparison of fixed- and controllable-geometry ejectors in a CO2 refrigeration system. International journal of refrigeration 2016 ;Volum 65. s. 172-182
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47 Smolka, Jacek; Palacz, Michal; Haida, Michal; Bodys, Jakub; Bulinski, Zbigniew; Nowak, Andrzej J.; Fic, Adam; Banasiak, Krzysztof; Hafner, Armin.
A performance comparison of fixed ejectors with and without a swirl generator and controllable ejectors in a CO2 refrigeration system. I: 12th IIR Gustav Lorentzen Conference on Natural Refrigerants GL2016 : Proceedings. International Institute of Refrigeration 2016 ISBN 9782362150180.
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48 Widell, Kristina Norne; Hafner, Armin; Nordtvedt, Tom Ståle.
Kühlung von pelagischem Fisch - im Fokus: Blauer Wittling -. I: Deutsche Kälte- und Klimatagung 2016 Kassel. DKV - Deutscher Kälte- und Klimatechnischer Verein 2016 ISBN 978-3-932715-91-4.
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2015
49 Banasiak, Krzysztof; Hafner, Armin; Eikevik, Trygve Magne.
Experimental characteristics of R744 ejectors for expansion work recovery in heat pumping installations. I: Proceedings of the 24th International Congress of Refrigeration. International Institute of Refrigeration 2015 ISBN 978-2-36215-012-8.
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50 Banasiak, Krzysztof; Hafner, Armin; Kriezi, Ekaterini E.; Madsen, Kenneth B.; Birkelund, Michael; Fredslund, Kristian; Olsson, Rickard.
Development and performance mapping of a multi-ejector expansion work recovery pack for R744 vapour compression units. International journal of refrigeration 2015 ;Volum 57. s. 265-276
ENERGISINT Untitled
 
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