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Characterization of the Electrical Resistivity and Water Sorption Properties of a Semiconducting Swelling Tape
(Master thesis, 2018)In presence of moisture and localized field enhancements water trees might develop within the polymeric insulation of HV subsea power cables. Water trees tend to grow unnoticeable and deteriorate the insulation properties ... -
Characterization of vortical structures in a stirred tank
(Peer reviewed; Journal article, 2022)Data obtained from large eddy simulations of single-phase, turbulent flow of Newtonian and shear-thinning fluids in a baffled stirred tank reactor are considered to identify and characterize vortical structures. The ... -
Charge-Tuned CO Activation over a χ‑Fe5C2 Fischer−Tropsch Catalyst
(Journal article; Peer reviewed, 2018)We performed DFT calculations to understand CO activation over a χ-Fe5C2 Fischer–Tropsch catalyst. The χ-Fe5C2 catalyst exhibits unique CO activation behaviors, and the BEP relation is nearly valid for this system. The ... -
Chemical Additives as Flow Improvers for Waxy Crude Oil and Model Oil: A Critical Review Analyzing Structure–Efficacy Relationships
(Journal article; Peer reviewed, 2022)Waxy crude oil has become a crucial unconventional oil alternative owing to the depleting conventional oil resources. However, ascertaining flow assurance in a waxy crude oil pipeline at low temperatures is challenging due ... -
Chemical Bonding and Electronic Properties of the Co Adatom and Dimer Interacting with Polyaromatic Hydrocarbons
(Journal article, 2015)The density functional calculations presented here elucidate the nature of the interaction between the Co atom and dimer with a polyaromatic hydrocarbon (PAH). The results are analyzed in terms of structural, electronic, ... -
Chemical Modification of Microfibrillated Cellulose: Effects on Film Barrier Properties
(Doktoravhandlinger ved NTNU, 1503-8181; 2011:303, Doctoral thesis, 2011)A global demand for environmental sustainability is a strong driving force towards the development of enhanced barrier concepts and the use of new materials, especially for packaging applications. Abundant and renewable, ... -
Chemical Modification of Paraffin Wax-Oil Gels
(Doctoral theses at NTNU;2019:222, Doctoral thesis, 2019)Paraffin wax crystallized in petroleum production line is well known in causing flow assurance challenges. Wax crystallization behavior is influenced by its interaction with other components co-exist in petroleum fluids. ... -
Chemical Quenching: EAB-1
(Master thesis, 2012)The main objective of the present work was to investigate the opportunity for the use of light hydrocarbons as quenching agents to quench high temperature gas streams. When light hydrocarbon, for example propane, is ... -
Chemical Reactor Investigations; Modeling, Implementation and Simulation
(Doktoravhandlinger ved NTNU, 1503-8181; 2014:12, Doctoral thesis, 2014)Applied to chemical reactor problems, this work involves mathematical modeling, analyzes of numerical methods, and simulation studies. The simulation results presented are based on in-house codes. The first part deals ... -
Chemical Recycling of Elastane and Elastane Blends
(Master thesis, 2023)The global environmental landscape has been significantly impacted by the accumulation and improper management of post-consumer polymers. With a significant rise in the use of polymeric textile fibres, and the massive ... -
Chemical Stability and Characterization of Degradation Products of Blends of 1-(2-Hydroxyethyl)pyrrolidine and 3-Amino-1-propanol
(Peer reviewed; Journal article, 2022)Aqueous amine solvents are used to capture CO2 from various flue gas sources. In this work, the chemical stability of a blend of 3-amino-1-propanol (3A1P) and 1-(2-hydroxyethyl)pyrrolidine [1-(2HE)PRLD] was studied. The ... -
Chemocatalytic Conversion of Biomass Derivatives to Organic Acids: Process Optimization and Concept Process Design
(Master thesis, 2020)Katalytisk produksjon av organiske syrer fra biomassederivater kan åpne for alternative veier for kjemikalier som tidligere har blitt produsert av petroleumsprodukter. I denne masteroppgaven vil en litteraturstudie samt ... -
Cloud Point Depressants
(Master thesis, 2012)Wax formation and deposition in subsea crude oil piepline is most important problem in cold environments faced by petroleum industry. Significant research is been going on at industrial as well as academic levels to develop ... -
Cluster-size-dependent interaction between ethylene and CuCl2 clusters supported via γ-alumina
(Peer reviewed; Journal article, 2020)Alumina-supported copper chloride serves as an industrial catalyst for ethylene oxychlorination, resulting from its high activity and selectivity. A better understanding of the detailed active site structure and reaction ... -
CO Oxidation over Alumina-Supported Copper Catalysts
(Peer reviewed; Journal article, 2022)CO oxidation, one of the most important chemical reactions, has been commonly studied in both academia and the industry. It is one good probe reaction in the fields of surface science and heterogeneous catalysis, by which ... -
Co(11-20) and Pd3Au(100) single crystals as catalyst model systems
(Doctoral theses at NTNU;2017:372, Doctoral thesis, 2017)The work in this thesis was carried out with the overall goal to investigate surface dynamics of model catalyst surfaces. Single crystals were utilized as model systems, namely Co(11-20) and Pd3Au(100). The Co(11-20) ... -
Co-precipitated ni-mg-al hydrotalcite-derived catalyst promoted with vanadium for co<inf>2</inf> methanation
(Journal article; Peer reviewed, 2021)Co-precipitated Ni-Mg-Al hydrotalcite-derived catalyst promoted with vanadium were synthesized with different V loadings (0–4 wt%) and studied in CO2 methanation. The promotion with V significantly changes textural properties ... -
Co-precipitation and grafting of (3-Aminopropyl) triethoxysilane on Ferro nanoparticles to enhance oil recovery mechanisms at reservoir conditions
(Peer reviewed; Journal article, 2022)After primary and secondary recovery processes, a substantial amount of oil remains trapped in the reservoir due to pressure and reservoir heterogeneity. Iron oxide nanoparticles (IONPs) are increasingly being considered ... -
CO2 absorpsjon: Likevekts- og kinetikkmålinger
(Master thesis, 2009) -
CO2 absorption from industrial clusters
(Master thesis, 2022)Denne oppgaven har brukt Aspen plus til å simulere forskjellige konfigurasjoner for CO2 fangst, for å finne den mest effektive måten å fange CO2 fra flere utslippskilder ved å bruke aminabsorpsjon. Dette er gjort ved å ...