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2021
1 Hagen, Brede; Agromayor, Roberto; Nekså, Petter.
Equation-oriented methods for design optimization and performance analysis of radial inflow turbines. Energy 2021 ;Volum 237.
NTNU ENERGISINT Untitled
 
2 Nekså, Petter.
Millilardprosjekt skal gjera Barents-gass til ein del av klimaløysinga. Stavanger Aftenblad [Avis] 2021-06-01
ENERGISINT Untitled
 
3 Røkke, Petter Egil; Nekså, Petter; Knudsen, Brage Rugstad.
Vi kan bruke spillvarme til å lage norske avokadofarmer. Dagens Næringslilv [Avis] 2021-03-25
ENERGISINT Untitled
 
4 Singh, Simarpreet; Hafner, Armin; Maiya, M.P.; Banasiak, Krzysztof; Nekså, Petter.
Multiejector CO2 cooling system with evaporative gascooler for a supermarket application in tropical regions. Applied Thermal Engineering 2021 ;Volum 190.
NTNU ENERGISINT Untitled
 
2020
5 Andresen, Trond; Lingaas, Simon Johan Nilsen; Hagen, Brede; Nekså, Petter.
Dynamic Analysis of Energy Recovery Utilizing Thermal Storage from Batch-Wise Metal Casting. I: IIR Rankine Conference 2020. International Institute of Refrigeration 2020 ISBN 978-2-36215-038-8.
ENERGISINT NTNU Untitled
 
6 Clos, Daniel Perez; Johnsen, Sverre Gullikstad; Nekså, Petter; Aune, Ragnhild Elizabeth.
The Effect of Hard Scale Deposition on the Wall Heat Flux of a Cold Finger. I: Light Metals 2020. Springer 2020 ISBN 978-3-030-36407-6. s. 710-718
ENERGISINT NTNU SINTEF Untitled
 
7 Dasi, Koti; 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 ;Volum 20.
ENERGISINT NTNU Untitled
 
8 Hagen, Brede; Cavo, Matteo; Andresen, Trond; Nekså, Petter.
Gradient Based Design Optimization of a Radial Inflow Turbine. I: IIR Rankine Conference 2020. International Institute of Refrigeration 2020 ISBN 978-2-36215-038-8.
ENERGISINT NTNU Untitled
 
9 Ishimoto, Yuki; Voldsund, Mari; Nekså, Petter; Roussanaly, Simon; Berstad, David Olsson; Gardarsdottir, Stefania Osk.
Large-scale production and transport of hydrogen from Norway to Europe and Japan: Value chain analysis and comparison of liquid hydrogen and ammonia as energy carriers. International Journal of Hydrogen Energy 2020 ;Volum 45.(58) s. 32865-32883
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10 Nekså, Petter.
Bedre HVAC-systemer kan hjelpe hotellnæringen. VVS Aktuelt [Fagblad] 2020-06-17
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11 Nekså, Petter.
Historien om CO2 som kjølemedium. sintef.no [Internett] 2020-06-03
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12 Nekså, Petter.
How CO2 Can Help The Climate. SINTEF Energi AS 2020
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13 Nekså, Petter.
Hydrogen can contribute to decarbonizing the European energy system. SINTEF Energi 2020
ENERGISINT Untitled
 
14 Nekså, Petter.
Norsk teknologi kan kutte 0,5 grader global oppvarming!. SINTEF Energi 2020
NTNU Untitled
 
15 Nekså, Petter.
Norske hoteller kan redusere strømregningen med hele 44 prosent. ITBA Aktuelt [Internett] 2020-06-18
ENERGISINT Untitled
 
16 Nekså, Petter.
Slik kan hotellene halvere strømregningen. enerWE [Fagblad] 2020-06-17
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17 Nekså, Petter.
Standard for brannfarlige kuldemedier i varmepumper til avstemning. VVSFORUM [Fagblad] 2020-10-21
ENERGISINT Untitled
 
18 Nekså, Petter.
Standard for brannfarlige kuldemedier i varmepumper til avstemning. VVS aktuelt [Fagblad] 2020-10-21
NTNU Untitled
 
19 Nekså, Petter.
The story of CO2 as a refrigerant. sintef.no [Internett] 2020-04-20
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20 Nekså, Petter; Andresen, Trond.
FME HighEFF – Anlegg for utnyttelse av overskuddsvarme til kraftproduksjon. Norsk Kjøleteknisk Møte 2020; 2020-10-29 - 2020-10-29
ENERGISINT Untitled
 
21 Nikolaisen, Monika; Nekså, Petter.
Measuring achievement of the HighEFF overall goals. HighEFF Annual Consortium Meeting 2020; 2020-05-13 - 2020-05-13
ENERGISINT Untitled
 
22 Shahrooz, Mina; Lundqvist, Per; Nekså, Petter.
Effect of Waste Heat Utilization on the Performance of Low Temperature Rankine Cycle. I: IIR Rankine Conference 2020. International Institute of Refrigeration 2020 ISBN 978-2-36215-038-8.
ENERGISINT NTNU Untitled
 
23 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
 
24 Skjervold, Vidar T.; Skaugen, Geir; Andresen, Trond; Nekså, Petter.
Enabling Power Production from Challenging Industrial Off-Gas – Model-Based Investigation of a Novel Heat Recovery Concept. I: IIR Rankine Conference 2020. International Institute of Refrigeration 2020 ISBN 978-2-36215-038-8.
ENERGISINT Untitled
 
25 Tazawa, Taluya; Yoshida, S; Yamasaki, Haruhiko; Wakimoto, Hiroyuki; Yamaguchi, Hiroshi; Kamimura, Takeshi; Hattori, Kazuhiro; Nekså, Petter.
Thermal Characteristics in Supercritical CO2 Along Heating Tube. I: Proceedings of the 14th IIR-Gustav Lorentzen Conference on Natural Refrigerants - GL2020. International Institute of Refrigeration 2020 ISBN 978-2-36215-040-1. s. 226-231
NTNU Untitled
 
26 Yamasaki, Haruhiko; Kizilkan, Ônder; Yamaguchi, Hiroshi; Kamimura, Takeshi; Hattori, Kazuhiro; Nekså, Petter.
Experimental investigation of dry ice cyclone separator for ultra‐low temperature energy storage using carbon dioxide. Energy Storage 2020 ;Volum 2.(4)
ENERGISINT Untitled
 
27 Yamasaki, Haruhiko; Wakimoto, Hiroyuki; Yamaguchi, Hiroshi; Nekså, Petter.
Solar heat recovery system using CO2 as working fluid. I: Proceedings of the 14th IIR-Gustav Lorentzen Conference on Natural Refrigerants - GL2020. International Institute of Refrigeration 2020 ISBN 978-2-36215-040-1. s. 375-380
ENERGISINT NTNU Untitled
 
28 Yamasaki, Haruhiko; Yamaguchi, Hiroshi; Kizilkan, Ônder; Kamimura, Takeshi; Hattori, Kazuhiro; Nekså, Petter.
Experimental investigation of the effect of solid-gas two-phase flow in CO2 cascade refrigeration system. Energy Sources, Part A: Recovery, Utilization, and Environmental Effects 2020
ENERGISINT Untitled
 
2019
29 Bamigbetan, Opeyemi Olayinka; Eikevik, Trygve Magne; Nekså, Petter; Bantle, Michael; Schlemminger, Christian.
Experimental investigation of a prototype R-600 compressor for high temperature heat pump. Energy 2019 ;Volum 169. s. 730-738
ENERGISINT NTNU Untitled
 
30 Bamigbetan, Opeyemi Olayinka; Eikevik, Trygve Magne; Nekså, Petter; Bantle, Michael; Schlemminger, Christian.
The development of a hydrocarbon high temperature heat pump for waste heat recovery. Energy 2019 ;Volum 173. s. 1141-1153
ENERGISINT NTNU Untitled
 
31 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
 
32 Clos, Daniel Perez; Nekså, Petter; Johnsen, Sverre Gullikstad; Aune, Ragnhild Elizabeth.
Investigation on scale formation in aluminium industry by means of a cold-finger. The Minerals, Metals & Materials Series 2019 s. 707-719
ENERGISINT NTNU SINTEF Untitled
 
33 Ervik, Åsmund; Saai, Afaf; Meyer, Ole; Nekså, Petter.
Dynamic modelling of compressor ring plate valve behaviour with CFD and FEM. HighEFF Annual Consortium Meeting 2019; 2019-05-08 - 2019-05-09
ENERGISINT NTNU SINTEF Untitled
 
34 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
 
35 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
 
36 Nekså, Petter.
Skal berge skiløypene. NRK [Internett] 2019-04-15
ENERGISINT Untitled
 
37 Nekså, Petter.
VM-stadionet forurenser like mye hver dag som å kjøre bil 20 ganger rundt ekvator. NRK [Internett] 2019-10-04
ENERGISINT Untitled
 
38 Nekså, Petter; Bantle, Michael; Schlemminger, Christian; Bamigbetan, Opeyemi Olayinka.
High temperature industrial heat pumps utilising 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. 4729-4736
ENERGISINT NTNU Untitled
 
39 Nekså, Petter; Røkke, Petter Egil.
Energibruk og utslipp i industrien: Den billigste kilowatttimen. I: Det Nye Digitale Norge. : John Grieg Forlag 2019 ISBN 978-82-533-0374-1. s. 63-71
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40 Schlemminger, Christian; Svendsen, Eirik Starheim; Foslie, Sverre Stefanussen; Bantle, Michael; Bamigbetan, Opeyemi Olayinka; Nekså, Petter.
Performance of high temperature heat pump for simultaneous and efficient production of ice water and process heat. 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. 4632-4639
ENERGISINT NTNU Untitled
 
41 Sharooz, Mina; Lindqvist, Per; Nekså, Petter.
Effect of Working Fluid Type on Low Temperature Rankine Cycle Optimization. I: Proceedings of the 5th International Seminar on ORC Power Systems. Athens, Greece: The National Technical University of Athens (NTUA) 2019 ISBN 978-90-9032038-0.
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 Skjervold, Vidar T.; Andresen, Trond; Skaugen, Geir; Nekså, Petter.
Novel heat recovery concept development. Practical vs. Academic approach to Energy Recovery; 2019-10-22
ENERGISINT Untitled
 
44 Tomasgard, Asgeir; Berstad, David Olsson; Blekkan, Edd Anders; Karstad, Per Ivar; Burheim, Odne Stokke; Dawson, James; Espegren, Kari Aamodt; Løvås, Terese; Meyer, Julien; Møller-Holst, Steffen; Nekså, Petter; Pollet, Bruno; Størset, Sigmund Østtveit; Sundseth, Kyrre; Thomassen, Magnus; Ulleberg, Øystein.
Hydrogen i fremtidens lavkarbonsamfunn. Trondheim: Center for Sustainable Energy Research (CenSES), NTNU 2019 (ISBN 978-82-93198-31-4) 40 s.
ENERGISINT IFE NTNU SINTEF UiO Untitled
 
2018
45 Bamigbetan, Opeyemi Olayinka; Eikevik, Trygve Magne; Nekså, Petter; Bantle, Michael; Schlemminger, Christian.
Experimental investigation of the performance of a hydrocarbon heat pump for high temperature industrial heating. 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
 
46 Bamigbetan, Opeyemi Olayinka; Eikevik, Trygve Magne; Nekså, Petter; Bantle, Michael; Schlemminger, Christian.
Theoretical analysis for charge reduction in a 200 kW hydrocarbon hight temperature heat pump. I: Proceedings of the 13th IIR Gustav Lorentzen Conference, Valencia, 2018. International Institute of Refrigeration 2018 ISBN 978-2-36215-026-5. s. 1324-1331
ENERGISINT NTNU Untitled
 
47 Bamigbetan, Opeyemi Olayinka; Eikevik, Trygve Magne; Nekså, Petter; Bantle, Michael; Schlemminger, Christian.
Theoretical analysis of suitable fluids for high temperature heat pumps up to 125 °C heat delivery. International journal of refrigeration 2018 ;Volum 92. s. 185-195
ENERGISINT NTNU Untitled
 
48 Bamigbetan, Opeyemi Olayinka; Eikevik, Trygve Magne; Nekså, Petter; Bantle, Michael; Schlemminger, Christian; Dallai, Mauro.
Experimental Investigation of a Hydrocarbon Piston Compressor for High Temperature Heat Pumps. 24th International Compressor Engineering Conference; 2018-07-12
ENERGISINT NTNU Untitled
 
49 Berstad, David Olsson; Anantharaman, Rahul; Wilhelmsen, Øivind; Skjervold, Vidar T.; Nekså, Petter.
Large-Scale Hydrogen Production and Liquefaction for Regional and Global Export. International Hydrogen and Fuel Cells Conference; 2018-05-14 - 2018-05-15
ENERGISINT NTNU Untitled
 
50 Berstad, David Olsson; Nekså, Petter.
Ambisiøse planer for hydrogen i Japan.
ENERGISINT NTNU Untitled
 
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