Blar i Publikasjoner fra CRIStin - SINTEF Energi på dokumenttype "Journal article"
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A novel bench size model coalescer: Dehydration efficiency of AC fields on water-in-crude-oil emulsions
(Journal article; Peer reviewed, 2016)We describe herein the design of a small AC electrostatic model coalescer for investigating coalescence efficiency of water in oil emulsions. The function of the model coalescer is tested on emulsions with different water ... -
A robust method for calculating interface curvature and normal vectors using an extracted local level set
(Journal article; Peer reviewed, 2014)The level-set method is a popular interface tracking method in two-phase flow simulations. An often-cited reason for using it is that the method naturally handles topological changes in the interface, e.g. merging drops, ... -
A steady and quasi-steady state analysis on the CO2 hybrid ground-coupled heat pumping system
(Journal article; Peer reviewed, 2017)This article contains the steady and quasi-steady state analysis on a CO2 hybrid ground-coupled heat pumping system for warm climates. The hybrid system uses a combination of ambient air and ground boreholes as a heat sink ... -
A stochastic model for contact surfaces at polymer interfaces subjected to an electrical field
(Journal article; Peer reviewed, 2018)Morphology of the contact area between solid insulation materials ultimately determines the short- and long-term electrical properties of the complete insulation system. The main purpose of this paper is to propose a ... -
A Study on Densification and CO2 Gasification of Biocarbon
(Journal article; Peer reviewed, 2018) -
A techno-economic case study of CO2 capture, transport and storage chain from a cement plant in Norway
(Journal article; Peer reviewed, 2016)This paper investigates various alternatives for the application of CCS at a cement plant which is one of the focus site for CCS deployment in Norway. A matrix consisting of nine CCS alternative chains is analysed in order ... -
A Two-Fluid Model for Vertical Flow Applied to CO2 Injection Wells
(Journal article; Peer reviewed, 2016)Flow of CO2 in wells is associated with substantial variations in thermophysical properties downhole, due to the coupled transient processes involved: complex flow patterns, density changes, phase transitions, and heat ... -
A Virtual synchronous machine implementation for distributed control of power transformers in SmartGrids
(Journal article; Peer reviewed, 2015)The ongoing evolution of the power system towards a “SmartGrid” implies a dominant role of powerelectronic converters, but poses strict requirements on their control strategies to preserve stability andcontrollability. In ... -
AC Breakdown Voltage of 50-Year-Old Service Aged Hydro Power Generator Stator Bars
(Peer reviewed; Journal article, 2022)Randomly selected generator bars from a 50-year-old Norwegian hydro power generator were examined in this work. Typical non-destructive tests, as partial discharge and dissipation factor measurements were initially performed ... -
Accelerating Efficient Installation and Optimization of Battery Energy Storage System Operations Onboard Vessels
(Peer reviewed; Journal article, 2022)Emerging large battery energy storage systems (BESSs) are key enablers in the electrification of the shipping sector. With huge government investments in BESSs, there are large gaps between the government supported BESS ... -
Accounting for component condition and preventive retirement in power system reliability analyses
(Peer reviewed; Journal article, 2023)Deteriorated power system components have a higher probability of failure than new components. Still, reliability of supply analyses traditionally model all components of the same type with the same probability of failure, ... -
Accounting for uncertainties due to high-impact low-probability events in power system development
(Peer reviewed; Journal article, 2021)In the long-term development of the electric power system, system operators should consider the socio-economic balance between grid investment costs and security of supply, including the risk of power supply interruptions. ... -
Accurate quantum-corrected cubic equations of state for helium, neon, hydrogen, deuterium and their mixtures
(Peer reviewed; Journal article, 2020)Cubic equations of state have thus far yielded poor predictions of the thermodynamic properties of quantum fluids such as hydrogen, helium and deuterium at low temperatures. Furthermore, the shape of the optimal α functions ... -
Achieving 50% weight reduction of offshore steam bottoming cycles
(Peer reviewed; Journal article, 2021)Adding a bottoming cycle to the gas turbines powering offshore oil and gas production plants allows additional power to be produced from recovered excess heat. Hence, the power demand of the platform can be met by burning ... -
Acid Gas Removal in Geothermal Power Plant in Iceland
(Journal article; Peer reviewed, 2016) -
An adaptive Cartesian embedded boundary approach for fluid simulations of two- and three-dimensional low temperature plasma filaments in complex geometries
(Peer reviewed; Journal article, 2019)We review a scalable two- and three-dimensional computer code for low-temperature plasma simulations in multi-material complex geometries. Our approach is based on embedded boundary (EB) finite volume discretizations of ... -
Adaptive multiscale methods for 3D streamer discharges in air
(Peer reviewed; Journal article, 2019)We discuss spatially and temporally adaptive implicit-explicit (IMEX) methods for parallel simulations of three-dimensional fluid streamer discharges in atmospheric air. We examine strategies for advancing the fluid equations ... -
Advancing ecohydraulics and ecohydrology by clarifying the role of their component interdisciplines
(Journal article; Peer reviewed, 2019)Increasing awareness of the complexity of river ecosystems has led to the emergence of integrative disciplines that combine topics in river physical and ecological processes, exemplified by the disciplines of ecohydrology, ... -
Air Flow Measurements During Medium-Voltage Load Current Interruptions
(Journal article; Peer reviewed, 2015)Air has been considered a good alternative to SF6 as arc quenching medium for load break switchgear at medium voltage ratings. In this work, the air flow characteristics and influence from the electric arc have been studied ... -
Air heating of passive houses in cold climates: Investigation using detailed dynamic simulations
(Journal article; Peer reviewed, 2014)The passive house (PH) standard was originally defined for Central Europe and has subsequently been applied to many cold climate countries. In these conditions, the relation between this standard and the air heating (AH) ...