• AI Techniques in assisting elderly people at home with unobtrusive supervision of events related to health and safety 

      Kaspersen, Karina (Master thesis, 2017)
      AI techniques are used widely in merging technologies, such as smartphones, PC, Internet of Things (IoT) with cheap and computational power on chips. Device sizes, range of wireless communication and governmental initiatives ...
    • Alternative fuels in cement kilns - characterization and experiments 

      Ariyaratne, W. K. Hiromi (Master thesis, 2010-05-04)
      In this thesis, the possibilitites and limitations of using alternative fuels in cement kilns are considered.
    • Are the energy pathways diverted by temperature in biological sulphide oxidation? 

      Vyshniakov, Valerii (Master thesis, 2017)
      Many wastewater streams contain sulphides. Their corrosiveness, toxicity and unpleasant odor makes necessary the application of removal techniques. In the present study the temperature effect (25-35 oC) and N/S ratio (<0.35) ...
    • Aspen HYSYS process simulation and Aspen ICARUS cost estimation of CO2 removal plant 

      Vozniuk, Ievgeniia Oleksandrivna (Master thesis, 2010-06-25)
      An Aspen HYSYS model of CO2 removal was developed and modified with a split-stream configuration in order to reduce energy consumption in the reboiler. The model has been calculated with variation of parameters to optimize ...
    • Automatic Tuning of PID Controllers 

      Ige, Olalekan Olusoji (Master thesis, 2018)
      Proportional Integral and Derivative (PID) controllers are the most frequently used controllers in the process industry over the years. The performance is a factor of adequate tuning. The knowledge of the process is ...
    • Biodegradation of waste amines under anaerobic, micro-aerobic and aerobic conditions 

      Li, Yuan (Master thesis, 2008)
      Monoethanolamines (MEA) are commonly used as adsorbent in CO2 capture plants. MEA are degraded when used and become a waste product. 3 series of BOD test as well as 9 cases of syringe batch experiments under anaerobic, ...
    • Biogas feed analysis 

      Song, Yuan (Master thesis, 2008)
      Biogas production is regarded as the best energy recovery process from wet organic solid wastes (WOSW). Feed composition, storage conditions and time will influence the compositions of feed to biogas processes. In this ...
    • Biological reject water treatment by using moving bed biofilm reactors (MBBR) 

      Hashemi, Seyedbehnam (Master thesis, 2018)
      In this study two moving bed biofilm reactors (MBBRs) (i.e. the reactors called R1 and R2 respectively) were subjected to treat reject water from sludge dewatering. Such biological treatment was investigated for possible ...
    • Boil-off gas handling for LNG-carriers with a low-swirl burner 

      Melkevik, Stian (Master thesis, 2018)
      Wärtsilä is looking into a new technology for boil-off gas handling. The technology chosen for further research is a low-swirl burner. This burner has shown promising NOx emission results which is a problem inside the ...
    • Building a model library in Modelica - case study: Sundsbarm Power Plant 

      Vinnik, Iuliia (Master thesis, 2015-10-09)
      Modelica is rapidly developing programing language that allows building models of dynamic systems and analysing their operations. One of such systems is power plant, that requires constant regulation, optimization and ...
    • CFD study of a fluidized bed 

      Lundberg, Joachim (Master thesis, 2008)
      The aim of this thesis is to investigate the momentum exchange between the phases in a bubbling fluidized bed. The momentum exchange can be described by a drag model. Several drag models with different assumptions are ...
    • CFD Validation of transient subsea gas plume model 

      Kim, Taewook (Master thesis, 2017)
      Subsea gas blowouts are often a significant risk contributor to offshore installations. It is important to understand plume that is created by the blowout. Different plume models were investigated. CFD model in ANSYS Fluent ...
    • Change in flame front area over time with premixed combustion across an obstacle 

      Stueland, Christian Eide (Master thesis, 2018)
      This thesis is a joint project of USN, and CMR Gexcon to explore the changes in flame front area over time with premixed combustion across an obstacle. The objective of this thesis is to make a literature review on ...
    • Characterization of Ultrasonic Waves in various Drilling Fluids 

      Mozie, Kenneth Nonso (Master thesis, 2017)
      The aim of this master thesis is to characterize ultrasonic wave propagation in different mud samples with respect to propagation distance using three different transducers frequency, this is expected to be an introduction ...
    • Closed Loop transient response System Identification 

      Abass, Abass Mwadini (Master thesis, 2017)
      Closed-loop Transient step response analysis SID technique is known for its simplicity and effectiveness in accommodating practical constraints and operational restrictions of particular system, and thus giving customized ...
    • CO2 absorption in alkaline solution 

      Amundsen, Trine Gusfre (Master thesis, 2008)
      Density and viscosity for monoethanolamine (MEA) solution are important for estimation of mass transfer in CO2 removal by absorption. A literature search on density, viscosity, surface tension and contact angle was performed. ...
    • CO2 BLEVE (Boiling Liquid Expanding Vapor Explosion) 

      Ke, Wei (Master thesis, 2009-06-26)
      Boiling Liquid Expanding Vapor Explosion (BLEVE) has caused many accidents in industry, while research with BLEVE is still limited with scarcity of experimental data. Among all pressurized liquefied gases (PLGs), CO2 plays ...
    • CO2 capture solvent performance characterization 

      Peresunko, Nataliia (Master thesis, 2015-09-25)
      The aim of this work is to determine partial pressures and CO2 loadings of primary amine aqueous solutions such as monoethanolamine, 3-amino-1-propanol, 4-amino-1-butanol and 5-amino-1-pentanol at the equal vapor liquid ...
    • CO2 for enhanced oil recovery and secure storage of CO2 in reservoirs 

      Li, Yunhang (Master thesis, 2015-10-30)
      CO2-EOR(Enhanced Oil Recovery) is an effective and useful technology that can not only increase the oil production to meet the increasing need for energy around the world, but also mitigate the negtive influence of global ...
    • Coagulation effects of biological sludge reject water treatment 

      Niazi, Sepideh (Master thesis, 2018)
      This thesis is study of methods for improving the coagulation process of municipal wastewater in Norway, carried out at the Knarrdalstrand wastewater treatment plant in Porsgrunn. In the study two main issue were considered ...