• Shape optimisation of a two-phase ejector for CO2 refrigeration systems 

  Palacz, Michal; Smolka, Jacek; Nowak, Andrzej J.; Banasiak, Krzysztof; Hafner, Armin (Journal article; Peer reviewed, 2016)

  The shape optimisation of four CO2 ejectors is presented in this study. The considered ejectors were originally designed for a multi-ejector supermarket CO2 refrigeration system. The objective function was formulated to ...

• System model derivation of the CO2 two-phase ejector based on the CFD-based reduced-order model 

  Haida, Michal; Smolka, Jacek; Hafner, Armin; Ostrowski, Zeimowit; Palacz, Michal; Nowak, Andrzej J.; Banasiak, Krzysztof (Journal article; Peer reviewed, 2018)

  The developed reduced-order model (ROM) of the R744 two-phase ejector was presented in this paper. The proper orthogonal decomposition (POD) model was employed together with the radial basis function (RBF) to evaluate the ...

• Method using a density-energy state function with a reference equation of state for fluid-dynamics simulation of vapor-liquid-solid carbon dioxide 

  Hammer, Morten; Ervik, Åsmund; Munkejord, Svend Tollak (Journal article; Peer reviewed, 2013)

  With the advent of CO2 capture and storage (CCS) as an important remedy for reducing atmospheric CO2 emissions, it has become necessary to develop accurate and efficient simulation tools. Among other things, such tools ...

• Optimal medium-term hydropower scheduling considering energy and reserve capacity markets 

  Helseth, Arild; Fodstad, Marte; Mo, Birger (Journal article; Peer reviewed, 2016)

  Print Request Permissions This paper describes a method for optimal scheduling of hydropower systems for a profit maximizing, price-taking, and risk neutral producer selling energy, and capacity to separate and sequentially ...

• Results of Investment Analysis in Power Transmission in Latvia and Lithuania 

  Lauka, Dace; Blumberga, Dagnija; Graabak, Ingeborg; Amundsen, Jonas Skaare (Journal article; Peer reviewed, 2016)

• Decentralized Production of Fischer-Tropsch Biocrude via Coprocessing of Woody Biomass and Wet Organic Waste in Entrained Flow Gasification: Techno-Economic Analysis 

  del Alamo Serrano, Gonzalo; Kempegowda, Rajesh Shivanahalli; Skreiberg, Øyvind; Khalil, Roger Antoine (Journal article; Peer reviewed, 2017)

  The present work addresses the techno-economics of the decentralized coproduction of Fischer-Tropsch biocrude and liquefied natural gas via thermochemical conversion of woody biomass and wet organic waste to syngas in an ...

• A Two-Fluid Model for Vertical Flow Applied to CO2 Injection Wells 

  Linga, Gaute; Lund, Halvor (Journal article; Peer reviewed, 2016)

  Flow of CO2 in wells is associated with substantial variations in thermophysical properties downhole, due to the coupled transient processes involved: complex flow patterns, density changes, phase transitions, and heat ...

• Vannforskriften og norsk vannkraftproduksjon. Kan miljødesign og funksjonsmål gi bedre planprosesser? 

  Ruud, Audun; Fjeldstad, Hans-Petter (Journal article; Peer reviewed, 2015)

• Optimal Sizing of Battery Energy Storage Systems for Hybrid Marine Power Systems 

  Barrera-Cardenas, Rene Alexander; Mo, Olve; Guidi, Giuseppe (Chapter; Peer reviewed, 2019)

• Macroalgae for Higher Value Products and Liquid Fuels 

  Sandquist, Judit; Skjermo, Jorunn; McDillan, James D. (Chapter, 2017)

• Release of Potassium during Devolatilization of Spruce Bark 

  Wang, Liang; Moilanen, Antero; Lehtinen, Jere; Konttinen, Jukka; Matas, Berta Güell (Journal article; Peer reviewed, 2017)

  The spruce bark with different particle sizes were devolatilized under various final temperatures and heating rates. The char yield and potassium release from the spruce bark at studied conditions were quantified. Lower ...

• Optimization and comparison of superconducting generator topologies for a 10 MW wind turbine application 

  Liu, Dong; Polinder, Henk; Abrahamsen, Asger B; Stehouwer, Ewoud; Hendriks, Ben; Magnusson, Niklas (Journal article; Peer reviewed, 2017)

• Technical documentation of version 3.3 of the NOWIcob tool 

  Hofmann, Matthias; Sperstad, Iver Bakken; Kolstad, Magne Lorentzen (SINTEF Energi. Rapport;, Research report, 2017)

• The future of fish passage science, engineering, and practice 

  Silva, Ana T.; Lucas, Martyn C.; Castro-Santos, Theodore; Katopodis, Christos; Baumgartner, Lee J.; Thiem, Jason D.; Aarestrup, Kim; Pompeu, Paulo S.; O'Brien, Gordon C.O.; Braun, Douglas C.; Burnett, Nicholas J.; Zhu, David Z.; Fjeldstad, Hans-Petter; Forseth, Torbjørn; Rajaratnam, Nallamuthu; Williams, John G.; Cooke, Steven J. (Journal article; Peer reviewed, 2017)

  Much effort has been devoted to developing, constructing and refining fish passage facilities to enable target species to pass barriers on fluvial systems, and yet, fishway science, engineering and practice remain imperfect. ...

• Experimental and computational analysis of a R744 flashing ejector 

  Giacomelli, Francesco; Mazzelli, Federico; Banasiak, Krzysztof; Hafner, Armin; Milazzo, Adriano (Journal article; Peer reviewed, 2019)

• Control of Three-Phase Solid-State Transformer with Phase-Separated Configuration for Minimized Energy Storage Capacitors 

  Isobe, Takanori; Barrera-Cardenas, Rene A.; He, Zijin; Zou, Yang; Terazono, Katsushi; Tadano, Hiroshi (Journal article; Peer reviewed, 2019)

  This paper presents the control structure of a solidstate transformer for three-phase AC/AC, to reduce the required size of capacitors. The structure consists of an AC/DC converter based on cascaded H-bridge converters, ...

• Performance Evaluation of a Modern Wood Stove Using Charcoal 

  Sevault, Alexis; Khalil, Roger Antoine; Enger, Bjørn Christian; Skreiberg, Øyvind; Goile, Franziska; Wang, Liang; Seljeskog, Morten; Kempegowda, Rajesh Shivanahalli (Journal article; Peer reviewed, 2017)

• Characterization of ash deposits from municipal solid Waste (MSW) incineration plants 

  Wang, Liang; Øye, Bjarte Arne; Skreiberg, Øyvind; Becidan, Michael; Vatland, Polina; Fossum, Morten; Stuen, Johnny (Journal article; Peer reviewed, 2017)

• Optimal microgrid operation considering battery degradation using stochastic dual dynamic programming 

  Aaslid, Per; Belsnes, Michael Martin; Fosso, Olav B (Chapter; Peer reviewed, 2019)

• Process modeling for torrefaction of birch branches 

  Bach, Quang Vu; Skreiberg, Øyvind; Lee, Chul-Jin (Journal article; Peer reviewed, 2017)

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