Blar i NTNU Open på tittel
Viser treff 44176-44195 av 100509
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Hydraulic scale modelling of the rating curve for a gauging station with challenging geometry
(Peer reviewed; Journal article, 2019)Direct discharge measurements during flood events can be challenging from a technical as well as from a safety point of view. Therefore, flood discharges are often estimated by extrapolating a rating curve. Extrapolations ... -
Hydraulic Structures- At the Heart of 21st Century Global Sustainable Development
(Journal article, 2023)For millennia, societal progress, health and prosperous economic growth has been closely linked to development of water infrastructure. Now in the 21st century, humankind faces some immense challenges including increasing ... -
Hydraulic Transient Impact on Surrounding Rock Mass of Unlined Pressure Tunnels
(Peer reviewed; Journal article, 2023)The frequent pressure pulsations due to hydraulic transients in hydropower plants induce cyclic loading on the rock mass that may contribute to increased instances of block falls and increased risk of tunnel collapse over ... -
Hydraulics and Thermodynamics of Closed Surge Tanks for Hydropower Plants
(Doctoral thesis at NTNU;2016:20, Doctoral thesis, 2016)This work has studied the hydraulic and thermodynamics of closed surge tanks for hydropower plants. Surge tanks are applied in hydropower plants to control and reduce the acceleration forces of the water during change of ... -
Hydraulisk jekking ved høytrykksinjeksjon av berg
(Master thesis, 2016)Innlekkasje av vann er en stadig utfordring ved driving av tunnel og bergrom, da konstruksjonene normalt er plassert under grunnvannsspeilet. Vannets opptreden og bevegelse i bergmassen, avhenger av bergmassens hydrauliske ... -
Hydraulisk modellering av et vannledningsnett
(Bachelor thesis, 2020)Formålet med bacheloroppgaven er å finne svakheter i ledningsnettet til Eide Vassverk SA ved bruk av hydraulisk modellering og brannvannssimuleringer. Oppgaven er delt opp i tre hovedmål, der første del er å utarbeide ... -
Hydraulisk modellering av kraftverksdrift i Tokkeåi
(Master thesis, 2017)En todimensjonal hydraulisk modell har blitt konstruert i HEC-RAS 5.0 for elven Tokkeåi (5 km lang) i Telemark. Hovedformål for oppgaven er å vurdere graden av effektkjøring av kraftverk. Elven deler seg i flere løp, noe ... -
Hydraulisk utforming av nedløp fra gateavrenning
(Master thesis, 2015)I denne masteroppgaven er det sett på hvordan den hydrauliske kapasiteten til forskjellige rister varierer med hensyn på helning, vannføring i vegbanen, ristutforming og størrelse. Det er sett på hvordan kapasiteten beregnes ... -
Hydraulisk utforming av nedløp fra gateavrenning
(Master thesis, 2015)I denne masteroppgaven er det sett på hvordan den hydrauliske kapasiteten til forskjellige rister varierer med hensyn på helning, vannføring i vegbanen, ristutforming og størrelse. Det er sett på hvordan kapasiteten beregnes ... -
Hydrazide Conjugated Oligoguluronates
(Master thesis, 2017)Advances reported in the field of amphiphilic block copolymers in recent years has demonstrated that predetermined structures can be formed from the self-organizing of amphiphilic molecules at interfaces or in solutions. ... -
Hydreringstiltak for å redusere forekomsten av kontrastmiddelindusert nefropati
(Bachelor thesis, 2019)Innledning: Hensikten med oppgaven er å finne ut hvilke hydreringsmetoder som har best effekt for å redusere forekomsten av kontrastmiddelindusert nefropati (CIN) hos pasienter med høy risiko for å utvikle CIN ved injeksjon ... -
Hydrides of Laves type Ti–Zr alloys with enhanced H storage capacity as advanced metal hydride battery anodes
(Peer reviewed; Journal article, 2020)The present work was focused on the studies of the effect of variation of stoichiometric composition of Ti–Zr based AB2±x Laves phase alloys by changing the ratio between A (Ti + Zr) and B (Mn + V + Fe + Ni) components ... -
Hydro i Quatar - Læring og CSR-arbeid
(Master thesis, 2005)Denne oppgåva tek føre seg koplinga mellom Corporate Social Responsibility (CSR) og organisasjonsmessig læring. CSR er ei kjelde til usikkerheit hos leiarar, og leverer uvande problemstillingar for ein ingeniørorganisasjon. ... -
Hydro Power Reservoir Aggregation via Genetic Algorithms
(Journal article; Peer reviewed, 2017)Electrical power systems with a high share of hydro power in their generation portfolio tend to display distinct behavior. Low generation cost and the possibility of peak shaving create a high amount of flexibility. However, ... -
Hydro power scheduling in multi-owner river systems
(Master thesis, 2010)1. Initial problem formulation 2. Iterative approach building for one reservoir 3. Testing for two cascaded reservoirs 4. Testing for four cascaded reservoirs 5. Further work -
Hydro reservoir levels and power price dynamics: empirical insight on the nonlinear influence of fuel and emission cost on Nord Pool day-ahead electricity prices
(Journal article; Peer reviewed, 2015)This paper examines the dependency of the hourly day-ahead electricity price on fundamentals in the Nord Pool power market. We examine whether power prices depend differently on supply and demand variables when hydro ... -
Hydro Turbine and Governor Modelling: Electric - Hydraulic Interaction
(Master thesis, 2010)This Master s Thesis work deals with the development of improved hydro turbine models for the evaluation of a hydraulic power generating system performance in response to small disturbances in power system analysis tool. ... -
Hydro-Elastic Analysis of a Floating Bridge in Waves Considering the Effect of the Hydrodynamic Coupling and the Shore Sides
(Chapter, 2018)A new numerical method, which is based on three-dimensional (3D) potential flow theory and finite element method (FEM), is used to predict the wave-induced hydroelastic responses of flexible floating bridges. The floating ... -
Hydro-plastic response of beams and stiffened panels subjected to extreme water slamming at small impact angles, Part I: An analytical solution
(Journal article; Peer reviewed, 2019)Water impact (slamming) is a strongly nonlinear phenomenon including significant fluid structure interactions. In the case of slamming with a small impact angle between the structure and water, the coupling between ... -
Hydro-plastic response of beams and stiffened panels subjected to extreme water slamming at small impact angles, Part II: Numerical verification and analysis
(Journal article; Peer reviewed, 2019)An analytical model has been proposed for the response of beams and stiffened panels subjected to extreme flat or nearly flat water impacts in Part I of the two-part companion paper. The model aims to capture the significant ...