Process, Energy and Automation Engineering
Recent Submissions
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Accidental release of liquid CO₂ from transport and storage
(Doctoral dissertations at the University of South-Eastern Norway;174, Doctoral thesis, 2023-11-09)An unintended release of liquid CO2 during transport by tanks or pipelines could result in instantaneous depressurization and rapid phase transition with explosive evaporation. Under certain conditions, it could lead to a ... -
Modelling Tool for Hydropower Systems, with Analysis and Design
(Doctoral dissertations at the University of South-Eastern Norway;173, Doctoral thesis, 2023-10-19)The increased use of renewable energy sources is due to an increasing global energy need, and to counter the effects of fossil fuels on the environment. Common renewable energy sources such as solar energy and wind energy ... -
CO2 capture through electrified calcination in cement clinker production
(Doctoral dissertations at the University of South-Eastern Norway;170, Doctoral thesis, 2023-08-31)The cement industry has the second highest share of industrial CO2 emissions, and two-thirds of these emissions come from decomposing its key ingredient by the calcination reaction (CaCO3 → CaO + CO2). This thesis studied ... -
Characterization of the Spray for Twin-Fluid Atomizer for Inert Gas Generator
(Doctoral dissertations at the University of South-Eastern Norway;145, Doctoral thesis, 2022-12-12)In this era, the world is still hinged upon fossil fuels for energy production & power generation. However, stringent regulations are imposed upon industries by regulatory bodies. The highly efficient combustor systems are ... -
Cost estimation methods for CO2 capture processes
(Doctoral dissertations at the University of South-Eastern Norway;140, Doctoral thesis, 2022-10-12)Cost engineering and economic assessment play a crucial role in evaluation of CO2 capture technologies and energy systems. Cost is one of the key decisive factors when considering industrial deployment of a technology. ... -
Syngas Fermentation and Microbial Electrosynthesis Process Integration to Advance Biogas Production
(Doctoral dissertations at the University of South-Eastern Norway;131, Doctoral thesis, 2022-09-09)Norway is implementing several CO2 emissions control measures to become a low-emission society by 2050. As a part of this great vision, it strives to be the first nation to end the sales of fossil-fuelled vehicles by 2025. ... -
Hydrogen safety in confined spaces
(Doctoral dissertations at the University of South-Eastern Norway;130, Doctoral thesis, 2022-09-02)Unwanted hydrogen releases in confined spaces can be significantly more dangerous compared to open-air scenarios. The transmission towards a zero-emission system results in a growth of hydrogen-driven vehicles which increases ... -
Capabilities of anaerobic granular sludge bed process for the treatment of particle-rich substrates
(Doctoral dissertations at the University of South-Eastern Norway;56, Doctoral thesis, 2020-01-17)High-rate anaerobic reactors have qualities that make them more attractive for anaerobic digestion of organic substrates compared to traditional reactors such as Continuous Stirred Tank Reactor (CSTR). These qualities ... -
State Estimation and Optimal Control of an Industrial Copper Electrowinning
(Doctoral dissertations at the University College of Southeast Norway;6, Doctoral thesis, 2016)This dissertation contains a solution for an industrial large-scale complex control problem. There are several challenges to be faced when handling control problems. One such challenge is to be able to handle the system’s ... -
Modelling of ash melts in gasification of biomass
(Doctoral dissertations at the University of South-Eastern Norway;120, Doctoral thesis, 2022-03-04)The need for advanced biofuels produced from sustainable sources is stressed, both on national and international level due to a global agreement to limit the Earth’s global warming. The major goals in the Norwegian agreement ... -
Modelling and simulations of bubbling fluidized bed and entrained flow biomass gasification reactors
(Doctoral dissertations at the University of South-Eastern Norway;118, Doctoral thesis, 2022-02-24)The world needs sustainable energy solutions to replace fossil fuels. Climate change is the defining challenge of our time. New reports from the International Energy Agency (IEA, 2021)1 have developed a roadmap for max ... -
A study of premixed combustion of gas vented from failed Li-ion batteries
(Doctoral dissertations at the University of South-Eastern Norway;109, Doctoral thesis, 2021-11-25)As the world moves towards more clean and suitable energy sources such as wind and solar, there is an increasing demand for energy storage systems. Lithium-ion batteries (LIBs) are today the leading electrical energy storage ... -
Dynamics and Control for Efficient Fertilizer Processes
(Doctoral dissertations at the University of South-Eastern Norway;105, Doctoral thesis, 2021-10-11)Granulation processes have been a subject of research for more than 60 years. During these years of research, there has been a significant improvement in qualitative and quantitative knowledge of the granulation processes, ... -
Intelligent frequency control for the secure operation of modern power system
(Doctoral dissertations at the University of South-Eastern Norway;103, Doctoral thesis, 2021-09-23)The modern power system is experiencing several changes to meet the objective to become in a zero CO2 emissions industry. The principal changes are the high penetration of renewable energy sources (RESs) into the power ... -
The rapid depressurization and evaporation of liquified carbon dioxide
(Doctoral dissertations at the University College of Southeast Norway;20, Doctoral thesis, 2017-06-22) -
Impact erosion by solid particles in gas-particle flows
(Doctoral thesis, 2021-06-18)Mass loss of inner wall surface due to particle impact, also referred as erosive wear, is a common challenge encountered in industrial pneumatic conveying systems. Previous studies have shown that erosion is a process ... -
Methane production from lignocellulosic residues
(Doctoral dissertations at the University of South-Eastern Norway;93, Doctoral thesis, 2021-05-25)Aims: Biochar production by intermediate pyrolysis of renewable lignocellulosic biomass to replace traditional carbon material as a reducing agent and energy source in the metallurgical industries produces carbon rich waste ... -
Theoretical and Experimental Studies on Combustion of Alternative Fuels in Cement Kilns
(Doctoral thesis, 2002) -
Simulation and parameter optimization of fluidized-bed and biomass gasification
(Doctoral dissertations at the University of South-Eastern Norway;92, Doctoral thesis, 2021-04-27)This thesis gives an insight to experimental studies and computational particle fluid dynamic (CPFD) simulations of fluidized bed and fluidized bed gasification reactors. CPFD models were validated against experimental ... -
An Image Processing Framework for High Speed Videos from Combustion and Gas Explosion Experiments
(Doctoral dissertations at the University of South-Eastern Norway;83, Doctoral thesis, 2020-12-18)The method of high speed photography is used to visualize those phenomena which occur so fast that it is impossible to visualize by the normal human eyes. One of those phenomena is a shock wave propagation during gas ...
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