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Hybrid Machine Learning and Mechanistic Thermal Model of Synchronous Generator
(Master thesis, 2021)Overheating of synchronous generators may result in shortened generator lifespan, thus strict constraints are imposed on their operation. A dynamic model of the generator temperature may leave good monitoring of the generator ... -
Hybrid Machine Learning and Mechanistic Thermal Model of Synchronous Generator
(Master thesis, 2020)Strict constraints are imposed on the power factor in the operation of the synchronous machines for electricity production, which are in place to protect the synchronous generators from overheating due to the increase in ... -
Hybrid Machine Learning Approaches for Landslide Susceptibility Modeling
(Peer reviewed; Journal article, 2019)This paper presents novel hybrid machine learning models, namely Adaptive Neuro Fuzzy Inference System optimized by Particle Swarm Optimization (PSOANFIS), Artificial Neural Networks optimized by Particle Swarm Optimization ... -
Hybrid Model Predictive Control Scheme for Controlling Temperature in Building Under Uncertainties
(Peer reviewed; Journal article, 2023)This paper presents a study on temperature control with a heater in a building using Model Predictive Control (MPC) with a focus on addressing two uncertainties: in model and the weather forecast. In previous works, a ... -
Hydro power solutions
(Bachelor thesis, 2016)Bachelor oppgaven skrevet i samarbeid med Norconsult, omhandler et lønnsomhetsvurderingsverktøy for beregninger av vannkraftverks løsninger. Programmet skal beregne kostnadene ved utbygging av små vannkraftverk og gi en ... -
Hydroakustiske undersøkelser av vandringsadferd og habitatbruk til ørret (Salmo trutta) i Bandak og Tokkeåi i Telemark 2014-2016
(Skriftserien fra Høgskolen i Sørøst-Norge;30, Research report, 2018-05-03)Tokke-Vinjevassdraget ble åpnet for revisjon av konsesjonsvilkårene i 2007, dvs. ny vurdering av miljøforhold, vilkår og tiltak knyttet til reguleringsinngrepene. Tokkeåi (med det regulerte elv-innsjø økosystemet Tokkeåi-Bandak ... -
Hydrodynamics - calculation of added mass on complex objects
(Master thesis, 2021)Added mass er et komplekst fenomen innen hydrodynamikk, hvor det finnes lite forståelse i industrien. Dermed var motivasjonen for dette arbeidet å bygge kunnskap innen hydrodynamikk og numerisk modellering av hydrodynamiske ... -
Hydrogen as marine fuel source and energy carrier for ships power production and propulsion
(Master thesis, 2022)At present, the shipping industry’s energy demands are covered satisfyingly with traditional fossil fuels. However, the global effort to prevent climate change has led the International Maritime Organization (IMO) to impose ... -
Hydrogen gas explosions in pipelines, modeling and experimental investigations
(Doctoral thesis; Peer reviewed, 2006)Gas explosions in closed pipes with a single obstacle have been investigated both numerically and experimentally. Most of the work is related to hydrogen and air mixtures, but other fuels have also been used. At the present ... -
Hydrogen leaks in partially confined spaces - dispersion and explosions
(Doctoral dissertations at the University of South-Eastern Norway;31, Doctoral thesis, 2017-12-12)In Porsgrunn, Norway, there was an explosion in an ammonia plant in July 1985. The accident was caused by a hydrogen leak inside a factory building, called N1. The result was a severe hydrogen-air explosion and jet fire, ... -
Hydrogen safety in confined spaces
(Doctoral dissertations at the University of South-Eastern Norway;130, Doctoral thesis, 2022-09-02)Unwanted hydrogen releases in confined spaces can be significantly more dangerous compared to open-air scenarios. The transmission towards a zero-emission system results in a growth of hydrogen-driven vehicles which increases ... -
Hydrogenolysis of methyl formate over copper nano particles
(Master thesis, 2016)Hydrogenolysis of methyl formate has been proposed as a part of an alternative route for methanol production. Copper catalyst for the hydrogenation of ester to alcohol is a catalyst commonly used due to its high selectivity ... -
Hydropower Systems: Comparison of Mechanistic and Table Look-up Turbine Models
(Journal article; Peer reviewed, 2017)In this paper, a detailed overview of hydropower system components is given. Components of the system include intake race, upstream and downstream surge tanks, penstock, turbine and draft tube. A case study which includes ... -
Hydropower unit – An analysis of operational efficiencies and energy losses
(Master thesis, 2021)The beginning of the “green shift” has already started in the Nordic power grid. In this context, it means extensive use of intermittent energy sources like wind and solar power. The intermittent sources impact the operational ... -
Hydropower‐driven thermal changes, biological responses and mitigating measures in northern river systems
(Peer reviewed; Journal article, 2021)Water temperatures control life histories and diversity of aquatic species. Hydropower regulation, particularly in high head systems, alters natural water temperature regimes, which may have profound and long‐term impacts ... -
Hyperbaric Pressure Control System
(Bachelor thesis, 2015)The requirement specification for the project where changed from delivery of a fully working product to contain only the design of this system due to long lead times on some of the high-pressure hydraulic parts. Three of ... -
Hyperlinking i dokumentasjon: av digitalbasert bildskapende utviklingsarbeid
(Tilde: rapporter från Institutionen för estetiska ämnen, Journal article, 2010)Artikkelen setter søkelys på problemstillinger og muligheter knyttet til bruk av hypertekst og hyperlinket materiale som et mulig verktøy i arbeid med dokumentasjon og formidling av digitalbasert skapende utviklingsarbeid. ... -
Hypertrofi som følge av styrketrening på et høyt volum. Hvordan påvirkes muskelvekst av volum, frekvens, pauselengde, øvelsesvalg, og grad av restitusjon mellom sett i styrketrening?
(Master thesis, 2022)Bakgrunn: Styrketrening blir brukt i flere deler av samfunnet. Styrketrening for å øke muskelmassen har fått en økende trend, og det er spekulert i om volum kan økes for å gi økt effekt på muskelmassen. Det er tidligere ... -
Hyttebygging i Rondane nasjonalparks randområder. En studie av kommunenes syn på hyttebyggingens effekter og goder
(Master thesis, 2011)De senere år har det blitt økt fokus i media på hyttebygging i høyfjellet i tilknytning til verneområder. Med det har også arealbruken i norske kommuner blitt satt på dagsorden. Uenigheter mellom parter med innflytelse ... -
Hæ? Utforskende grammatikk?
(Master thesis, 2023)Formålet med denne studien har vært å undersøke hvilke grammatikkoppgaver elevene møter i tre utvalgte norskfaglige lærebøker, og hvordan eleven blir aktivisert, gjennom problemstillingen “Hvilke grammatikkoppgaver møter ...