Blar i NTNU Open på tittel
Viser treff 24683-24702 av 100515
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Dynamic Modelling and Analysis of Submerged Floating Tunnels
(Master thesis, 2012)Investigations are performed on the capabilities of Computational Fluid Dynamics (CFD) to model a transient transcritical flow around a Submerged Floating Tunnel (SFT). The aim of this inquiry is to examine the possibility ... -
Dynamic Modelling and Analysis of Three Floating Wind Turbine Concepts with Vertical Axis Rotor
(Proceedings of the twenty-fifth International Ocean and Polar Engineering Conference;ISOPE 2015, Chapter, 2015)Recently there is an increasing interest in the development of offshore floating vertical axis wind turbines (FVAWTs). A FVAWT mounted on a semi-submersible has been proposed by several researchers, and a FVAWT with a spar ... -
Dynamic Modelling and Characterisation of a Solid Oxide Fuel Cell Integrated in a Gas Turbine Cycle
(Doktoravhandlinger ved NTNU, 1503-8181; 2005:176, Doctoral thesis, 2005)This thesis focuses on three main areas within the field of SOFC/GT-technology: • Development of a dynamic SOFC/GT model • Model calibration and sensitivity study • Assessment of the dynamic properties of a SOFC/GT power ... -
Dynamic Modelling and Control Design of Pre-combustion Power Cycles
(Doktoravhandlinger ved NTNU, 1503-8181; 2012:227, Doctoral thesis, 2012)Pre-combustion capture is an important CCS technology. Pre-combustion capture of CO2 incurs less of an energy penalty than current post combustion technologies. For this type of reforming to be competitive for power ... -
Dynamic Modelling and Estimation of Energy Expenditure and Heart Rate During Wheelchair Propulsion
(Master thesis, 2023)Tidligere studier har funnet passende modeller for puls og energiforbruk som responser til aktivitet. Denne masteroppgaven har forsøkt å finne matematiske modeller for både puls og energiforbruk som responser av rullestolkjøring ... -
Dynamic modelling and force analysis of a knuckle boom crane using screw theory
(Journal article; Peer reviewed, 2018)This article presents a method for determination of dynamic reaction forces in knuckle boom cranes. The method is based on the dynamic modelling procedure, which is an extension of Kane’s equations of motion. An efficient ... -
Dynamic modelling and simulation of the Graz Cycle for a renewable energy system
(Peer reviewed; Journal article, 2024)Critical atmospheric carbon dioxide levels and, in response, an increasing shift toward variable renewable energy sources causes the need of transient operation for thermal power plants coupled with carbon capture and ... -
Dynamic modelling and validation of an air‐to‐water reversible R744 heat pump for high energy demand buildings
(Peer reviewed; Journal article, 2021)This paper presents a reversible heat pump based on CO2 as the refrigerant, able to provide heating, cooling, and domestic hot water to high energy demand buildings. The unit was developed and tested under the EU H2020 ... -
Dynamic modelling of a Hydrocracker
(Master thesis, 2016)Different types of petroleum refining processes were considered to be modelled in the Kongsberg dynamic modelling software K-Spice. Multiple oil and gas processing units exist in the model library, which begs the question ... -
Dynamic modelling of chronotype and hypo/manic and depressive symptoms in young people with emerging mental disorders
(Peer reviewed; Journal article, 2023) -
Dynamic Modelling of Fuel Cell Systems for Electric Propulsion
(Chapter, 2021)In this paper, a dynamic model is developed for hybrid electric powertrains with fuel cell and batteries. The hybrid powertrain is considered mainly for marine propulsion with dynamic load, although the study can be ... -
Dynamic Modelling of Heat and Mass Transfer in the Silicon Arc Furnace
(Master thesis, 2019)Grunstoffet silisium er av stor betydning for det moderne samfunn. Selv om silisium er det vanligtse grunnstoffet i jordskorpen etter oksygen, så finnes ikke silisium i sin elementære form i naturen. Silisium kan produseres ... -
Dynamic Modelling of Ice Rubble and Extrusion Loads on Offshore Wind Turbines in Crushing Interaction
(Master thesis, 2022)For å imøtekomme den økende etterspørselen etter fornybar energi, installasjon av ny havvind energikapasiteten øker i mange land. Nye prosjekter vil bli foreslått for vann i hvilken flytende (hav)is er en vanlig forekomst ... -
Dynamic modelling of local low-temperature heating grids: A case study for Norway
(Journal article; Peer reviewed, 2017)Today's district heating (DH) networks in Norway are 2nd and 3rd generation systems, with supply temperatures ranging from 80 to 120 °C. In new developments, it is desirable to shift to 4th generation, low-temperature ... -
Dynamic modelling of national dwelling stocks: Understanding phenomena of historical observed energy demand and future estimated energy savings in the Norwegian dwelling stock
(Doctoral theses at NTNU;2017:36, Doctoral thesis, 2017)Residential buildings are responsible for 24% of the global final energy consumption, and the housing sector is important for future mitigation of greenhouse gases. Scenario models are important tools for estimation of the ... -
Dynamic modelling of the thermal response enhanced by sloshing in marine LNG fuel tanks
(Journal article; Peer reviewed, 2018)This paper investigates the thermal response in marine liquefied natural gas (LNG) fuel tanks by experiments and modelling. The aim of this work is to develop phenomenological models that can predict the rapid pressure ... -
Dynamic Modelling of Twin Harmonic Counter-Rotating PMSM for Booster Pump in Pumped Storage Hydropower
(Master thesis, 2023)En prototype av en permanentmagnet synkronmotor med utpregede poler og doble rotorer har blitt grundig simulert gjennom endelig elementanalyse i COMSOL. De to rotorene utnytter positiv og negativ sekvens harmoniske komponenter ... -
Dynamic Modelling, Simulation and Visualization of Marine Crane Operations on DP Vessels
(Master thesis, 2015)The research presented in this thesis is based on the idea that to find a better method of modelling, simulation and controlling the dynamic mechanical systems by using Lagrange method and bond graph approach. Based on the ... -
Dynamic Modelling, Vibration and Fatigue Analysis of Slow Rotating Propulsion Systems
(Master thesis, 2018)In recent years, shipping has experienced a technical transformation motivated by its impact on the environment and the desire to reduce operational costs. Engines with lower power ranges and slow steaming are two examples. ... -
Dynamic Models of Fixed Capital Stocks and Their Application in Industrial Ecology
(Journal article; Peer reviewed, 2014)Industrial assets or fixed capital stocks are at the core of the transition to a low-carbon economy. They represent substantial accumulations of capital, bulk materials, and critical metals. Their lifetime determines the ...