• The significance of green exercise for the health and wellbeing of Italian immigrants in Norway: a mixed-methods study 

      Calogiuri, Giovanna; Petersen, Evi; Rossi, Alessio; Terragni, Laura (Peer reviewed; Journal article, 2023)
      Background: Green exercise (physical activity in presence of nature) has beneficial effects for health and wellbeing. Green exercise is a popular form of recreation in the Nordic countries, but participation is lower among ...
    • Similarities and differences between service users’ and carers’ experiences of crisis resolution teams in Norway: a survey 

      Hasselberg, Nina; Klevan, Trude Gøril; Weimand, Bente; Uverud, Gunn-Marit; Holgersen, Katrine Høyer; Siqveland, Johan; Ruud, Torleif (Peer reviewed; Journal article, 2022)
      Background: Crisis resolution team (CRT) care in adult mental health services is intended to provide accessible and flexible short-term, intensive crisis intervention to service users experiencing a mental health crisis ...
    • Similarity of Campylobacter lari among human, animal, and water isolates in Norway 

      Rosef, Olav; Johnsen, Gro; Stølan, Aud; Klæboe, Halvdan (Journal article; Peer reviewed, 2008)
      A total of 49 isolates of Campylobacter lari from human, poultry, ducks, pigs, and water were genetically characterized. The species were identified by biotyping and multiplex polymerase chain reaction (PCR). Automatic ...
    • Simple modelling approach using Modelica for microbial electrosynthesis 

      Arachchige, Gamunu L. Samarakoon; Winkler, Dietmar; Sivalingam, Vasan; Dinamarca, Carlos; Bakke, Rune (Peer reviewed; Journal article, 2020)
      This study intends to develop a simple mathematical model that contributes to the integration of Microbial Electrosynthesis (MES) in AD to reduce CO2 to CH4. Open-source modelling language Modelica was used to build the ...
    • Simulated effects of wet-etched induced surface roughness on IR transmission and reflection 

      Papatzacos, Phillip; Akram, Muhammad Nadeem; Bardalen, Eivind; Øhlckers, Per (Chapter, 2020)
      We have constructed a finite element simulation where we investigate the effects of wet-etch-induced surface roughness on transmission and reflection of infrared light in the 8-12um band. A silicon wafer was wet-etched for ...
    • Simulated winter browsing may lead to induced susceptibility of willows to beavers in spring 

      Veraart, Annelies J.; Nolet, Bart A.; Rosell, Frank; de Vries, Peter P. (Journal article; Peer reviewed, 2006)
      Browsing may lead to an induced resistance or susceptibility of the plant to the herbivore. We tested the effect of winter browsing by Eurasian beavers (Castor fiber L., 1758) on food quality of holme willows (Salix ...
    • Simulating CSF flow dynamics in the normal and chiari I subarachnoid space during rest and exertion 

      Linge, Svein; Mardal, Kent-Andre; Haughton, Victor; Helgeland, Anders (Journal article; Peer reviewed, 2012)
      BACKGROUND AND PURPOSE: CSF fluid dynamics in healthy subjects and patients with Chiari I have been characterized during rest with phase-contrast MR imaging and CFD. CSF flow velocities and pressures in the nonresting state ...
    • Simulation and Cost Comparison of CO2 Liquefaction 

      Øi, Lars Erik; Eldrup, Nils Henrik; Adhikari, Umesh; Bentsen, Mathias Håvåg; Badalge, Jayalanka Chathurangani Liyana; Yang, Songbo (Journal article; Peer reviewed, 2016)
      Liquefaction of CO2 is an intermediate step for storage or ship transport. Two processes are suggested. The traditional method is based on external refrigeration and the other is an integrated refrigeration process. In the ...
    • Simulation and Economic Optimization of Amine-based CO2 Capture using Excess Heat at a Cement Plant 

      Ali, Hassan; Øi, Lars Erik; Eldrup, Nils Henrik (Journal article; Peer reviewed, 2018)
      In order to remove CO2 from power or process industry, a well-known method is absorption in monoethanolamine (MEA) followed by desorption, and this technology has been in operation for decades. The major challenge is the ...
    • Simulation and Economic Optimization of Vapour Recompression Configuration for Partial CO2 capture 

      Øi, Lars Erik; Sundbø, Erik; Ali, Hassan (Journal article; Peer reviewed, 2017)
      A standard method for CO2 capture is by absorption in an amine based solvent followed by desorption. Such plants are traditionally designed for removal of 85-90 % CO2 from the exhaust gas as a reasonable trade-off between ...
    • Simulation and Impact of different Optimization Parameters on CO2 Capture Cost 

      Aromada, Solomon Aforkoghene; Karunarathne, Sumudu; Eldrup, Nils Henrik; Orangi, Sina; Farsi Madan, Farzan; Fajferek, Katarzyna Grazyna; Sæter, Njål Torgeir; Bahri, Syaiful; Øi, Lars Erik (Journal article; Peer reviewed, 2021)
      The influence of different process parameters/factors on CO2 capture cost, in a standard amine based CO2 capture process was studied through process simulation and cost estimation. The most influential factor was found to ...
    • Simulation and optimization of screw feeder in a bubbling fluidized bed gasification reactor 

      Thapa, Rajan Kumar; Vaa, Trym Fehn; Vaa, Oddvin; Jaiswal, Rajan; Jecmenica, Mladen (Journal article; Peer reviewed, 2022)
      A fluidized bed biomass gasification reactor is used to produce syngas from biomass and municipal wastes. Gasification is a flexible technology where many different types of feedstocks can be used. The University of ...
    • Simulation based Cost Optimization tool for CO2 Absorption Processes: Iterative Detailed Factor (IDF) Scheme 

      Aromada, Solomon Aforkoghene; Eldrup, Nils Henrik; Øi, Lars Erik (Journal article; Peer reviewed, 2021)
      A simple, fast, and accurate process simulation based cost estimation and optimization scheme was developed in Aspen HYSYS based on a detailed factorial methodology for solvent-based CO2 absorption and desorption processes. ...
    • SIMULATION BASED LECTURES FOR STUDENTS IN LOGISTICS 

      Bjorbæk, Clemet Thærie; Berg, Øivind; Schuett, Holger; Dushenko, Mariia (Journal article, 2018)
      Automation and digitalization in logistic processes nowadays increase the complexity of logistic systems (supply networks, terminals and warehouses) and leads to highly linked systems. Their dimensioning as well as start-up ...
    • Simulation of a purification plant for pyrolysis gas based on plastic waste 

      Quaredaghi, Ebrahim; Ronasi, Sara; Moldestad, Britt Margrethe Emilie (Peer reviewed; Journal article, 2020)
      This study focuses on exctracting ethylene and propylene from other componenents in the pyrolysis gas mixture of plastic waste. Selective absorption of ethylene and propylene from the gas mixture by using a silver nitrate ...
    • Simulation of air-biomass gasification in a bubbling fluidized bed using CPFD model 

      Timsina, Ramesh; Moldestad, Britt Margrethe Emilie; Eikeland, Marianne Sørflaten; Thapa, Rajan Kumar (Journal article; Peer reviewed, 2019)
      Biomass is a renewable energy source. Biomass gasification process produces producer gas, which can be further used for power generation or as raw materials for the production of secondary fuels. Experiment on the air ...
    • Simulation of burning velocities in gases vented from thermal run-a-way lithium ion batteries 

      Johnsplass, Jonathan; Henriksen, Mathias; Vågsæther, Knut; Lundberg, Joachim; Bjerketvedt, Dag (Journal article; Peer reviewed, 2017)
      This paper describes the results from simulations of laminar burning velocities in the premixed air and flammable gases vented from abused Li-ion batteries. The released mixture from such batteries contain mixtures of ...
    • Simulation of CO2 storage in the North Sea 

      Torsen, Arne O.; Smistad, Harris J.; Tveit, Håkon; Hansen, Ole C.; Bjørtuft, Vegard G.; Furuvik, Nora Cecilie Ivarsdatter; Moldestad, Britt Margrethe Emilie (Journal article; Peer reviewed, 2018)
      Use of fossil fuel has resulted in emission of large amounts of CO2 to the atmosphere, which increases the risk of global heating. There is a lot of research going on regarding CO2 capture and storage. The Paris Agreement, ...
    • Simulation of CO2-Distribution in Fractured Oil Reservoir 

      Furuvik, Nora Cecilie Ivarsdatter; Halvorsen, Britt (Conference object; Peer reviewed, 2015-11-25)
      Deep geologic injections and storage of Carbon dioxide (CO2) for enhanced oil recovery (EOR) are an upcoming combination due to the potential for increased oil production from depleted oilfields at the same time reducing ...
    • Simulation of Condensation in Biogas containing Ammonia 

      Øi, Lars Erik; Bråthen, Terje; Hovland, Jon (Peer reviewed; Journal article, 2021)
      Condensation in raw biogas during compression is a problem because the CO2 and water in the liquid phase is very corrosive. Raw biogas typically contains 60 mol-% methane, 40 mol-% CO2, is saturated with water and may ...