Fakultet for ingeniørvitenskap (IV)
Recent Submissions
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Performance Quantification of Icebreaker Operations in Ice Management by Numerical Simulations
(Peer reviewed; Journal article, 2021)The paper addresses the problem of quantifying and assessing the effectiveness of icebreaker operations in ice management (IM) using a high-fidelity simulator. The numerical model includes an accurate geometric representation ... -
Enzymatic pretreatment of steam-exploded birch wood for increased biogas production and lignin degradation
(Peer reviewed; Journal article, 2021)Lignocellulose is readily available biomass for biogas production; however, due to its rigid structure, it requires pretreatment to obtain a maximum energy extraction. In this study, steam explosion (SE) (220 °C and 10 ... -
Hydrological performance of lined permeable pavements in Norway
(Peer reviewed; Journal article, 2021)Lined permeable pavements (LPPs) are types of sustainable urban stormwater systems (SUDs) that are suitable for locations with low infiltration capacity or shallow groundwater levels. This study evaluated the hydrological ... -
Analysis of fatigue test data of retrieved mooring chain links subject to pitting corrosion
(Peer reviewed; Journal article, 2021)Fatigue is one of the main failure mechanisms of catenary type mooring lines. Fatigue resistance is affected by a large number of factors. In this paper, the effect of pitting corrosion on the fatigue resistance of mooring ... -
On the role of symmetry and degeneracy in nonlinear thermoacoustic eigenproblems with application to can-annular combustors
(Doctoral theses at NTNU;2022:30, Doctoral thesis, 2022)The subject of this dissertation are thermoacoustic instabilities in combustion chambers with discrete rotational and reflective symmetries. Designing thermoacoustically stable combustors is one of the principal challenges ... -
The Effect of Hydrogen Enrichment on the Thermoacoustic Behaviour of Lean Premixed Flames
(Doctoral theses at NTNU;2022:23, Doctoral thesis, 2022)Gas turbines (GT) burning hydrogen can help deliver large-scale zero carbon power generation and facilitate rapid decarbonisation over the short to medium term. They can also play a crucial role in increasing the penetration ... -
Rock physics model of shale: Predictive aspect
(Peer reviewed; Journal article, 2021)Shales often show strong elastic anisotropy that originate from the alignment and platy nature of its constituent minerals. Despite its impact on AVO (Amplitude Variation with Offset) response and seismic time-shifts, ... -
Towards understanding the interconnection between celestial pole motion and earth’s magnetic field using space geodetic techniques
(Peer reviewed; Journal article, 2021)The understanding of forced temporal variations in celestial pole motion (CPM) could bring us significantly closer to meeting the accuracy goals pursued by the Global Geodetic Observing System (GGOS) of the International ... -
Rapid change of particle velocity due to volatile gas release during biomass devolatilization
(Peer reviewed; Journal article, 2021)Our earlier study showed significant differences in average particle velocity between simulation and experimental results for devolatilizing biomass particles in an idealised entrained flow reactor [N. Guo et al., Fuel, ... -
Product formation during discharge: a combined modelling and experimental study for Li–O2 cathodes in LiTFSI/DMSO and LiTFSI/TEGDME electrolytes
(Peer reviewed; Journal article, 2021)Li–air or Li–O2 batteries are a promising energy storage technology due to the potentially high energy density. However, significant challenges related to reversible charge/discharge of these cells need to be solved. The ... -
Economic optimization for heatprosumer- based district heating systems in unidirectional heating markets
(Doctoral theses at NTNU;2022:18, Doctoral thesis, 2022) -
Full Waveform Inversion of Wide-Angle Ocean Bottom Seismometer data of a synthetic subduction zone model
(Master thesis, 2021)The water, which penetrated the upper part of the crust gets dragged down in a subduction zone, consecutively it gets released due to increasing heat and migrates in the above tectonic plate. This is believed to be the ... -
Earthquake Response Analysis of Buildings
(Master thesis, 2021)Denne masteroppgaven studerer jordskjelvanalyse ved å bruke forenklet metode i henhold til Eurokode 8. Tre forskjellige modeller blir studert, modell 1 hvor jordtrykk er langs en av de langsgående kjellerveggene og hvor ... -
Free-Space Optical Communication: From Space to Ground and Ocean
(Peer reviewed; Journal article, 2021)During the last decade, there has been a rapid advancement in the area of mobile broadband and wireless communication. The demand for higher data rate and capacity has continuously increased thanks to the growing need for ... -
Communication Technologies for Smart Grid: A Comprehensive Survey
(Peer reviewed; Journal article, 2021)With the ongoing trends in the energy sector such as vehicular electrification and renewable energy, the Smart Grid (SG) is clearly playing a more and more important role in the electric power system industry. One essential ... -
Space heating solution using solar heat from a PVT system
(Master thesis, 2021)Målet med masteroppgaven er å utvikle et romoppvarmingssystem med bruk av varme fra et solcelle/solfanger (PVT) system. Basert på dette ble tre forskningsspørsmål definert. The første spørsmålet er å beskrive og vurdere ... -
Managerial work and behaviour pattern - within a cluster of small to medium oil service companies.
(Master thesis, 2021)Vi har i denne oppgaven sett nærmere på en leders tidsbruk, arbeidsaktiviteter og verbal kommunikasjon i en klynge på ca 40 olje service bedrifter på vestkysten av Norge. Dataene ble samlet inn ved hjelp av en kombinasjon ... -
Syklisters hastighet på vinterføre
(Master thesis, 2021)Med et økende søkelys på klima og klimagassutslipp, er det et ønske å få flere til å bruke sykkel som transportmiddel. Transportsektoren har de siste årene sett en økning i bruk av sykkel i de store byene. Likevel faller ... -
Computationally efficient coarse-graining XDEM/CFD modeling of fixed-bed combustion of biomass
(Peer reviewed; Journal article, 2022)In the multi-scale modeling of a dense particle system, the particle phase and the gas phase can be modeled on vastly different scales. The coupling between the two models has a critical influence on the predictions obtained ... -
CFD modeling of biomass combustion and gasification in fluidized bed reactors using a distribution kernel method
(Peer reviewed; Journal article, 2022)A three-dimensional reactive multi-phase particle-in-cell (MP-PIC) model is employed to investigate biomass combustion and gasification in fluidized bed furnaces. The MP-PIC model considered here is based on a coarse grain ...
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