Browsing Fakultet for ingeniørvitenskap (IV) by Title
Now showing items 9412-9431 of 22994
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Full-Scale Sea Trials of a Motion Control System for ROVs Based on a High-Gain State Observer
(Journal article, 2014)This paper reports selected results from full-scale sea trials, along with the description of the digital version implemented in practice, of a Motion Control System (MCS) previously proposed by the authors in the ... -
Full-Spectrum High-Resolution Modeling of the Dielectric Function of Water
(Journal article, 2020)In view of the vital role of water, exact knowledge of its dielectric function over a large frequency range is important. We report on currently available measurements of the dielectric function of water at room temperature ... -
Fully integrated BIM at maturity level 3 in the Road Project "E39 Kristiansand West - Mandal East".
(Master thesis, 2020)I det siste årene har digitalisering og forbedringen av internettløsninger forandret store deler innenfor den industrielle sektoren, noe som har resultert i en enorm økning i samarbeid og noen ganger produktivitet, ... -
Fully nonlinear phase-resolved wave modelling in the Norwegian fjords for floating bridges along the E39 coastal highway
(Journal article; Peer reviewed, 2023)Coastal wave conditions are highly influenced by bathymetry variations and coastlines. The Norwegian fjords present large gradients of bathymetry changes and irregular coastline geometries that make the understanding of ... -
A fully nonlinear potential flow wave modelling procedure for simulations of offshore sea states with various wave breaking scenarios
(Peer reviewed; Journal article, 2021)An accurate representation of a given sea state is crucial for the study of hydrodynamic loads on offshore structures. It is straightforward to check the quality of the reproduced regular waves in a numerical wave tank ... -
Fully resolved simulations of single char particle combustion using a ghost-cell immersed boundary method
(Journal article; Peer reviewed, 2018)A novel ghost‐cell immersed boundary method for fully resolved simulation of char particle combustion has been developed. The boundary conditions at the solid particle surface, such as velocity, temperature, density, and ... -
Fully-nonlinear wave-current-body interaction analysis by a harmonic polynomial cell method
(Journal article; Peer reviewed, 2014)A new numerical 2D cell method has been proposed by the authors, based on representing the velocity potential in each cell by harmonic polynomials. The method was named the harmonic polynomial cell (HPC) method. The method ... -
Functional and Optical Properties of Structured Surfaces in Additive Manufacturing: Technologies for appearance evaluation in the quality assurance of 3D-printed polymers
(Doctoral theses at NTNU;2023:178, Doctoral thesis, 2023)Quality assurance of additively manufactured parts requires assessment of appearance and surface finish quality. Appearance investigation is a primary step to ensure that the manufactured parts meet the required structural, ... -
The Functional Properties of Mg–Zn–X Biodegradable Magnesium Alloys
(Journal article; Peer reviewed, 2020)The implantation of metallic devices in orthopaedic surgical procedures and coronary angioplasty is associated with the risk of various adverse events: (i) mechanical (premature failure), (ii) chemo-mechanical (corrosion ... -
Functional Resonance Analysis Method (FRAM) Approach for Barrier Management in Offshore Drilling
(Master thesis, 2020)Som en del av risikostyringen viser barrierehåndtering seg å være en av de kritiske faktorene for å opprettholde en sikker tilstand for drift i olje- og gassindustrien. Med introduksjonen av ikke-tradisjonell tankegang ... -
Functional Resonance Analysis Method (FRAM) for Emerging Risks: a Hydrogen Safety Case-Study
(Master thesis, 2021)Den brede implementeringen av avansert teknologi i moderne industrielle prosesser genererer konseptet med komplekse sosiotekniske systemer. Sjansen er stor for at samspillet i slike systemer mellom mennesker og teknologi, ... -
Functional Safety Analysis of a Subsea Compressor Protection System
(Master thesis, 2021)With the fast growing demand of resources from the society, comes a much greater need for a more reliable and safer industries. Accidents in the past which caused loss of lives, damage to properties and destruction to the ... -
Functional Safety of Railway Signaling Systems: Performance Requirements and Evaluation Methods
(Chapter, 2021)Signaling is fundamental to the safe operation of the railway, ensuring that trains are spaced safely apart and conflicting movements are avoided. Railway signals are `traffic light' devices, which tell a train driver if ... -
Functionalized carbon nanotube-encapsulated magnesium-based nanocomposites with outstanding mechanical and biological properties as load-bearing bone implants
(Peer reviewed; Journal article, 2022)Magnesium (Mg)-based composites have recently been studied as biodegradable material for the fabrication of orthopedic implants. Nevertheless, in physiological environments, proper mechanical properties and sufficient ... -
Functionally Graded Additive Manufacturing: Bridging the Gap between Design and Material Extrusion
(Peer reviewed; Journal article, 2023)Nowadays, the use of 3D printing is becoming a key process for on-demand and customized manufacturing. One of the most flexible 3D printing techniques is fused deposition modeling (FDM), where the combination of multiple ... -
Functionally Graded Materials for Highly Stressed Components
(Doctoral theses at NTNU;2017:188, Doctoral thesis, 2017)The present work deals with representation, design, analysis and fabrication of Functionally Graded Materials (FGMs). First, a general overview on FGMs is described. A new and precious definition has been made. Structures, ... -
The fundamental difference between cleavage and hydrogen-assisted quasi-cleavage in ferritic materials revealed by multiscale quantitative fractographic and side surface characterization
(Peer reviewed; Journal article, 2021)The fracture surfaces and cracks in technically pure iron, Fe-2.5% Si alloy and low-carbon steel grade S235JR produced by quasi-cleavage (QC) hydrogen-assisted cracking (HAC) as well as by true cleavage (TC) were studied ... -
Fundamental mechanisms of density wave oscillations and the effect of subcooling
(Master thesis, 2011)Boiling two-phase flow is found in many industrial applications such as boiling water reactors, two-phase flow heat exchangers and refrigeration systems. The physics of two-phase gas-liquid flow may lead to undesirable ... -
Fundamental Mechanisms of Ice Adhesion
(Doctoral theses at NTNU;2020:87, Doctoral thesis, 2020)Uønsket isdannelse skaper bade daglige problemer og farlige situasjoner hvert år. Heldigvis er det måter å hindre slik uønsket ising. Overflater med lav isvedheft, der isen sklir rett av overflaten, er en lovende metode ... -
Fundamental Modeling of a Membrane Reactor with in Situ Hydrogen Separation and Combustion
(Journal article; Peer reviewed, 2013)In this work we consider a membrane reactor with catalytic steam methane reforming and/or water gas shift on the feed side, hydrogen separation and direct combustion of hydrogen on the permeate side, where the ultimate ...