Blar i Institutt for energi og prosessteknikk på tittel
Viser treff 1691-1710 av 4152
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Fouling Impact on Compressor Performance
(Master thesis, 2019)Olje- og gassindustrien har en sentral og utfordrende oppgave i et samfunn med parallelt økende energibehov og miljøbevissthet. Innovativ teknologi i form av subsea våtgasskompresjon kan være en viktig bidragsyter mot en ... -
Fouling Impact on Compressor Performance
(Master thesis, 2019)Olje- og gassindustrien har en sentral og utfordrende oppgave i et samfunn med parallelt økende energibehov og miljøbevissthet. Innovativ teknologi i form av subsea våtgasskompresjon kan være en viktig bidragsyter mot en ... -
Fractal modelling of turbulent flows: Subgrid modelling for the Burgers equation
(Master thesis, 2011)The stochastically forced Burgers equation shares some of the same characteristics as the three-dimensional Navier-Stokes equations. Because of this it is sometimes used as a model equation for turbulence. Simulating the ... -
Fractal-Like Flow-Fields with Minimum Entropy Production for Polymer Electrolyte Membrane Fuel Cells
(Journal article; Peer reviewed, 2020) -
A framework for regional ecosystem authenticity evaluation–a case study on the Qinghai-Tibet Plateau of China
(Peer reviewed; Journal article, 2021)Ecosystem authenticity is a concept for understanding the status of an ecosystem and provides useful information for making environmental management plans. However, approaches for quantitative ecosystem authenticity ... -
A framework for the assessment of marine litter impacts in life cycle impact assessment
(Peer reviewed; Journal article, 2021)Purpose Marine litter, mostly plastics, is a growing environmental problem. Environmental decision makers are beginning to take actions and implement regulations that aim to reduce plastic use and waste mismanagement. ... -
Framtidens energiveier for bygninger - muligheter for energieffektivisering og konvertering til fornybar energikilde i bygningsmasse
(Master thesis, 2018)Denne oppgaven er delt i fire deler: 1) En litteraturstudie som omfatter temaer innenfor energibruk i bygninger, energieffektiviseringstiltak og bygningssimulering. 2) En analyse av bygningsmassen på Gløshaugen med formål ... -
Francis turbines for variable speed operation
(Doctoral theses at NTNU;2020:79, Doctoral thesis, 2020)Ascribing to the recent trends of market-driven electricity production and increased deployment of non-dispatchable renewables globally, several researchers have suggested the use of variable speed technology to improve ... -
Francis-99: Coupled simulation of the resonance effects in runner channels
(Journal article; Peer reviewed, 2019)A resonance phenomenon is observed experimentally in the runner channels of the Francis-99 model turbine runner. An incompressible CFD simulation is unable to simulate this. Two different coupled physics schemes are therefore ... -
Freeze out in natural gas systems
(Master thesis, 2009) -
Freeze out in natural gas systems: Utfrysning i naturgass-systemer
(Master thesis, 2009)The motivation of the work is to increase the knowledge about thermodynamic modeling of freezeouts in natural gas systems and a deeper understanding of the phase behavior of natural gasmixtures, due to the problems experienced ... -
Frekvensresponsmålinger ved Svartisen Kraftverk
(Master thesis, 2010)Mål Simulere Svartisen Kraftverk i LVTrans og sammenligne med frekvensresponsmålinger. Oppgaven skal bearbeides utifra følgende punkter: 1) Kandidaten skal sette seg in i teorien bak og metoder for frekvens respons målinger ... -
Fremtidig utvikling i energiforbruk og CO2-utslipp for Norges boligmasse
(Research report, 2014) -
Fremtidsrettet energiforsyning for kommunale næringsbygninger i Oppdal sentrum
(Master thesis, 2023)Norge eier kommuner 25% av næringsbygninger som videre står for en tredjedel av energibru- ken i sektoren. Norske kommuner som reduserer energiforbruket i sine næringsbygg vil derfor bidra betydelig til det globale ... -
Fremtidsrettet energiforsyning for kommunale næringsbygninger i Oppdal sentrum
(Master thesis, 2023)Norge eier kommuner 25% av næringsbygninger som videre står for en tredjedel av energibru- ken i sektoren. Norske kommuner som reduserer energiforbruket i sine næringsbygg vil derfor bidra betydelig til det globale ... -
Frequency controlled agglomeration of pt-nanoparticles in sonochemical synthesis
(Peer reviewed; Journal article, 2022)Optimizing the surface area of nanoparticles is key to achieving high catalytic activities for electrochemical energy conversion devices. In this work, the frequency range (200 kHz–500 kHz) for maximum sonochemical radical ... -
Frictional Pressure Drop for Two-phase Flow of Carbon Dioxide in a Tube: Comparison between Models and Experimental Data
(Journal article; Peer reviewed, 2014)We compare models for two-phase frictional pressure drop with experimental data for pure CO2 taken in a tube of 10 mm inner diameter. The flow was nearly adiabatic, and the mass fluxes ranged from 1058 to 1663 kg/(m2 s), ... -
Frictional pressure-drop models for steady-state and transient two-phase flow of carbon dioxide
(Master thesis, 2012)Related to the technology of CO2 capture, transport, and storage (CCS), an accurate transport model which predicts the behaviour of carbon-dioxide mixtures during steady-state and transient situations, is needed. A correct ... -
From bad electrochemical practices to an environmental and waste reducing approach for the generation of active hydrogen evolving electrodes
(Journal article; Peer reviewed, 2019)The electrodeposition of noble metals using corresponding dissolved metal salts represents an interesting process for the improvement of the electrocatalytic Hydrogen Evolution Reaction (HER) properties of less active ... -
From farm to fork: comparative analysis of biodiversity footprints of selected food recipes.
(Master thesis, 2023)Selv om erkjennelsen av klimaendringer er vidt spredt, er spørsmål om tap av biologisk mangfold og skade på økosystemtjenester ikke klar over av flertallet. Artsmangfold karakteriserer stabilitet og bærekraft i økosystemene, ...