Now showing items 7-26 of 170

    • Bidirectional Power Transfer between Grid and Electric Vehicle Batteries 

      Habte, Okbe Kifle (Master thesis, 2020)
      In the last decades, the significant growth of electric vehicle (EV) is promising an alternative to solve the concern about fossil fuel and global warming. However, as the number of EVs increasing significantly, it can ...
    • 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 ...
    • Calcination in an electrically heated bubbling fluidized bed applied in calcium looping 

      Samani, Nastaran Ahmadpour (Master thesis, 2020)
      Switching fossil fuels to green electricity as the energy source to decarbonate the raw meal in the calciner can eliminate the CO2 emissions produced through fuel combustion and also provide a basis for simple capture ...
    • 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 Rheological Properties of Drilling Fluids Using Ultrasonic Waves 

      Hafredal, Morten (Master thesis, 2018)
      Drilling fluid rheology is important for drilling safety and has to be constantly monitored and adjusted during drilling operations. The goal of this thesis is to attempt to create a model with neural networks that can ...
    • 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 ...
    • Comparing methods for system identification on the quadruple tank 

      Kharel, Bhanu Bhakta (Master thesis, 2015-10-30)
      System Identification in control engineering has been the field of interest for the research and development to find the optimal model of dynamic system. Both MIMO and SISO systems can be modeled using different system ...
    • Comparison of CO2 dehydration processes after CO2 capture 

      Okoli, Kenneth Ikechukwu (Master thesis, 2017)
      This study compares two conventional methods of CO2 dehydration processes after CO2 capture and its suitability of use. The methods are Triethylene Glycol (TEG) absorption and 3A Molecular sieve adsorption. Chapter 1 and ...