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On capital utilization in the hydrogen economy: The quest to minimize idle capacity in renewables-rich energy systems
(Peer reviewed; Journal article, 2020)The hydrogen economy is currently experiencing a surge in attention, partly due to the possibility of absorbing variable renewable energy (VRE) production peaks through electrolysis. A fundamental challenge with this ... -
On Common Research Needs for the Next Generation of Floating Support Structures
(Chapter; Peer reviewed, 2022)The world is facing several industrial and societal challenges, such as providing enough renewable energy and enough safe and healthy food as formulated in the United Nations sustainable development goals. Using floating ... -
On controllability of four-product dividing wall columns
(Journal article; Peer reviewed, 2018)Although potential for reduction of energy requirement and related carbon dioxide emissions is highly attractive – around 50% compared to conventional three column sequences – process industries are still reluctant to ... -
On Converting Crisp Failure Possibility into Probability for Reliability of Complex Systems
(Peer reviewed; Journal article, 2021)The reliability of complex systems is analyzed based on several systematic steps using many safety engineering methods. The most common technique for safety system analysis and reliability, vulnerability and criticality ... -
On corner cutting in multi-obstacle avoidance problems
(Journal article, 2015)One challenging and not extensively studied issue in obstacle avoidance is the corner cutting problem. Avoidance constraints are usually imposed at the sampling time without regards to the intra-sample behavior of the ... -
On Enhancing Visual Query Building over KGs Using Query Logs
(Journal article; Peer reviewed, 2018)Knowledge Graphs have recently gained a lot of attention and have been successfully applied in both academia and industry. Since KGs may be very large: they may contain millions of entities and triples relating them to ... -
On intermetallic phases formed during interdiffusion between aluminium alloys and stainless steel
(Peer reviewed; Journal article, 2022)One of the major challenges in welding of aluminium (Al) alloys and steels is the growth of brittle intermetallic phases, which depends on the thermomechanical processing history and the alloying elements. This work focuses ... -
On Model Predictive Path Following and Trajectory Tracking for Industrial Robots
(Journal article; Peer reviewed, 2017)In this article the model predictive path following controller and the model predictive trajectory tracking con-troller are compared for a robotic manipulator. We consider both the Runge-Kutta and collocation based ... -
ON MODELLING ELECTROCHEMICAL GAS EVOLUTION USING THE VOLUME OF FLUID METHOD
(SINTEF Proceedings;6, Chapter; Peer reviewed, 2020)In this work we describe the various building block relevant in simulating electrochemical gas evolution using Volume of Fluid (VOF) method. These building blocks are implemented in the VOF solver available in OpenFOAM® ... -
On obtaining optimal well rates and placement for CO2 storage
(Journal article; Peer reviewed, 2017)Large-scale storage of CO2 in saline aquifers is considered an essential technology to mitigate CO2 emissions. Storage potential has mainly been estimated based on volumetrics or detailed simulations for specific injection ... -
On pragmatism in industrial modeling
(SINTEF Proceedings;1, Chapter, 2015)Many natural or industrial processes are of extreme complexity, and where the time- and length scales range from an atomistic level to years and kilometers. Often the processes or phenomena consist of multiple sub processes ... -
On pragmatism in industrial modeling. Part III: Application to operational drilling
(SINTEF Proceedings;2, Chapter, 2017)In this paper, we will apply the concepts of pragmatic industrial modelling to the development of a real time drilling support tool. We develop requirements to such a modelling tool, regarding both input and output, model ... -
On Scalability and Replicability of Smart Grid Projects—A Case Study
(Journal article; Peer reviewed, 2016)This paper studies the scalability and replicability of smart grid projects. Currently, most smart grid projects are still in the R&D or demonstration phases. The full roll-out of the tested solutions requires a suitable ... -
On scenario construction for stochastic shortest path problems in real road networks
(Peer reviewed; Journal article, 2021)Stochastic shortest path (SSP) computations are often performed under very strict time constraints, so computational efficiency is critical. A major determinant for the CPU time is the number of scenarios used. We demonstrate ... -
On the Atomic Structure of the β′′ Precipitate by Density Functional Theory
(Peer reviewed; Journal article, 2023)The substitution of elements into the precipitate in the 6xxx-series of aluminium alloys is an interface sensitive problem. The strain caused by the misfit between the precipitate and the matrix interacts with the size ... -
On the biogenicity of Fe-oxyhydroxide filaments in silicified low-temperature hydrothermal deposits: Implications for the identification of Fe-oxidizing bacteria in the rock record
(Journal article; Peer reviewed, 2019)Microaerophilic Fe(II)‐oxidizing bacteria produce biomineralized twisted and branched stalks, which are promising biosignatures of microbial Fe oxidation in ancient jaspers and iron formations. Extracellular Fe stalks ... -
On the Certificate Revocation Problem in the Maritime Sector
(Peer reviewed; Journal article, 2021)Maritime shipping is currently undergoing rapid digitalization, but with increasing exposure to cyber threats, there is a need to improve the security of the ship communication technology used during operations across ... -
On the Characteristics of Internal Software Startups
(Chapter, 2022)In recent years, more attention has been given to internal software startups in practice and in research alike, yet the concept is not fully understood. Nor is it clear whether or not it significantly differs from stand-alone ... -
On the choice of closure complexity in anisotropic drag closures for filtered Two Fluid Models
(Journal article; Peer reviewed, 2019)Filtered Two Fluid Models (fTFMs) aim to enable accurate industrial-scale simulations of fluidized beds by means of closures accounting for the effects of bubbles and clusters. The present study aims to improve anisotropic ... -
On the cleansing and inspection of GPS ephemeris data 2000–2016
(Chapter, 2017)Archived GPS ephemeris data for years 2000-2016 is investigated by cleansing and precision measures. The goal of this work was twofold: (1) to reveal and remove incorrect ephemeris data so that the cleansed data is as close ...