Browsing USN Open Archive by Title

Now showing items 7984-8003 of 9838

    • Simulation of flow in sedimentation tank using FLUENT 

      Weerasooriya, Achini (Master thesis, 2015-10-09)
      Sewage treatment is the process which removes majority of the contaminants from a sewage stream and produces a liquid effluent suitable for safe disposal into the natural environment and sludge. Physical, chemical and ...

    • Simulation of gas and liquid flow in a biogas reactor using Fluent. 

      Dayarathna, Sithara (Master thesis, 2015-09-18)
      Anaerobic Digestion (AD) is a popular secondary treatment method to handle biological wastes in sewage and wastewater treatment plants due to its multiple benefits apart from the waste reduction. One of the biogas reactors ...

    • Simulation of Gasification of Livestock Manure with Aspen Plus 

      Haugen, Hildegunn H.; Halvorsen, Britt; Eikeland, Marianne Sørflaten (Conference object; Peer reviewed, 2015-11-25)
      Gasification is a flexible technology where all types of organic waste including biomass from manure can be used as feed to the reactor. The recovery of energy from solid waste offers several benefits including substantial ...

    • Simulation of hydrogen tank refueling 

      Salcido Sanchez, Jose Luis (Master thesis, 2021)
      Several simulations of hydrogen filling process for a type IV tank were completed using openFOAM Computational Fluid Dynamics (CFD) open-source code. CFD codes have been proven to be a useful method for estimating temperature ...

    • Simulation of Hydrogen Tank Refuelling 

      Mojarrad, Masih (Master thesis, 2020)
      As an alternative to fossil fuels and as a sustainable energy carrier, there are considerable interestsin investigating hydrogen. Hence, it seems significant to evaluate the behavior of hydrogen in refueling or storing. ...

    • Simulation of improved absorption configurations for CO2 capture 

      Øi, Lars Erik; Aromada, Solomon Aforkoghene (Conference object; Peer reviewed, 2015-11-25)
      The most well-known technology for post combustion CO2 capture from exhaust gas is absorption in an amine-based solvent followed by desorption. The drawback of this method is the high heat consumption required for desorption. ...

    • Simulation of manure resource recovery plant 

      Hussain, Shahid (Master thesis, 2015-09-18)
      The Bio Win software was used to simulate manure feeding to a separator, anaerobic digester (AD) and activated sludge (AS) nitrification reactor system. The General Bio Win model called integrated AS/AD model was capable ...

    • Simulation of oil production and CO₂ 

      Furuvik, Nora Cecilie Ivarsdatter (Master thesis, 2016)
      Deep geologic injection of supercritical carbon dioxide (CO₂) for enhanced oil recovery (EOR), plays an important role in the sequestration of CO₂ to minimize the impact of CO₂-emissions due to global warming. CO₂-EOR ...

    • Simulation of Oil Production from Homogenous North Sea Reservoirs with Inflow Control using OLGA/Rocx 

      Sund, Sveinung Martinius; Iversen, Thomas Berg; Hansen, Magnus S.; Bohlin, Jørgen; Vøllestad, Ole Kristian; Furuvik, Nora Cecilie Ivarsdatter; Halvorsen, Britt (Journal article; Peer reviewed, 2017)
      Advances in drilling technology have made long, horizontal wells the preferred method to extract oil from reservoirs in the Norwegian Sector. Early water or gas breakthrough is a passive inflow control devices (ICD) are ...

    • Simulation of Oil Recovery Through Advanced Wells Using a Transient Fully Coupled Well-Reservoir Model 

      Madhawee Anuththara, Juwan Gomasge; Moradi, Ali; Kumara, Amaranath S.; Moldestad, Britt Margrethe Emilie (Chapter, 2023)
      Oil recovery can be enhanced by maximizing the well-reservoir contact using long horizontal wells. One of the main challenges of using such wells is the early breakthrough of unwanted fluids due to the heel-toe effect and ...

    • Simulation of Simplified Model for Reaction Kinetics in Biomass Gasification 

      Agu, Cornelius Emeka; Thapa, Rajan Kumar; Halvorsen, Britt (Conference object; Peer reviewed, 2015-11-25)
      Due to complexity in interactions between solid particles and between particles and carrier fluid, modeling of biomass gasification kinetics has been shown to be very challenging. Some commercial packages such as Barracuda ...

    • Simulation of the Effect of Local Electric Potential and Substrate Concentration on CO2 Reduction via Microbial Electrosynthesis 

      Ahmadi, Vafa; Dinamarca, Carlos (Peer reviewed; Journal article, 2022)
      Integrating anaerobic digestion into electrochemical reactors is an advanced technology for biomethane recovery. Imposing low electric potential between electrodes, supplies CO2, electrons, and hydronium ions from anodic ...

    • Simulation of the Pyrolysis Process: from Plastic Waste to Environmental Friendly Fuel 

      Andersen, Marius; Sætre, Kai Arne; Fredriksen, Siw Bodil; Pfeiffer, Carlos Fernando (Journal article; Peer reviewed, 2018)
      How to deal with plastic waste is an important question, as it may affect both the climate and environment. A method that may be beneficial to dispose some kinds of plastic waste that cannot be material-recycled is ...

    • Simulation of Transcritical Flow in Hydraulic Structures 

      Agu, Cornelius Emeka; Lie, Bernt; Elseth, Geir (Journal article; Peer reviewed, 2015-11-25)
      In hydraulic engineering, transcritical flows are often required in some applications. One example is in a Venturi channel where the occurrence of critical depth is used to estimate flow rate in the channel. In this paper, ...

    • Simulations and real applications of PI and MPC averaging level control in a water resource recovery facility 

      Haugen, Finn (Journal article; Peer reviewed, 2018)
      The basin level control system in an existing wastewater treatment plant is designed for two different operation modes: compliant level control for smooth pump flow, and stiff level control. Both a model-based predictive ...

    • Simulations at work — a framework for configuring simulation fidelity with training objectives 

      Hontvedt, Magnus; Øvergård, Kjell Ivar (Peer reviewed; Journal article, 2019)
      This study aims to provide framework for considering fidelity in the design of simulator training. Simulator fidelity is often characterised as the level of physical and visual similarity with real work settings, and the ...

    • Simulations in Maritime Training: A video study of the socio-technical organisation of ship simulator training 

      Hontvedt, Magnus (Doctoral thesis, 2015)
      This thesis is situated within the field of educational research, and examines the use of ship simulators to create work-like contexts in maritime training. Within the maritime domain the use of ship simulators is customary ...

    • Simulations of the Holocene climate in Europe using an interactive downscaling within the iLOVECLIM model (version 1.1) 

      Arthur, Frank (Peer reviewed; Journal article, 2023)
      This study presents the application of an interactive downscaling in Europe using iLOVECLIM (a model of intermediate complexity), increasing its atmospheric resolution from 5.56 to 0.25∘ kilometric. A transient simulation ...

    • Simulering av CO2-fjerning med aminer 

      Moholt, Bjørn (Master thesis, 2010-08-26)
      Gasskraftverk produserer store mengder CO2, og det er ønskelig å unngå utslipp av CO2 til atmosfæren. Skagerak Energi AS har planer om et gasskraftverk med CO2-fjerning i Grenlandsområdet. Det er utført simuleringer ...

    • Simulert Samarbeid i psykisk helsevern 

      Øvrum, Nils Christian (Master thesis, 2024)
      Dette prosjektet er en del av pilotprosjektet «VR- simuleringer i samarbeidslæring» ledet fra Sykehuset Telemark. Målet var å prøve ut en modell for tverretatlig VR- simulering for å få erfaring og kunnskaper om hvordan ...