Blar i Fakultet for ingeniørvitenskap (IV) på tittel
Viser treff 6138-6157 av 23229
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Dynamic analysis and Optimisation of the 12MW WINDMOOR floating turbine
(Master thesis, 2021)De siste årene har vindkraft til havs hatt en stor utvikling. Havarealene som er tilgjengelig for bunnfaste havvindturbiner er begrenset på grunn av dybde begrensingene. Derfor har flytende vindturbiner et potensial til å ... -
Dynamic Analysis and Structural Optimization of Support Structures for bottom-fixed Offshore Wind Turbines
(Doctoral theses at NTNU ;2017:363, Doctoral thesis, 2017)Wind energy is recognized as a reliable and affordable source of energy for generating electricity. Up to date most of the wind energy capacity is installed onshore, but legal regulations and a shortage of potential locations ... -
Dynamic Analysis and Verification of the Universal Buoyancy System
(Master thesis, 2014)Liquefied Natural Gas (LNG) is becoming an increasingly popular alternative to traditional marine fuels, as it is a cost-effective solution so comply with the new Emission Control Area (ECA) sulphur emission regulations ... -
Dynamic Analysis in Design and Operation of Large Floating Offshore Wind Turbine Drivetrains
(Doctoral theses at NTNU;2020:403, Doctoral thesis, 2020)This thesis presents a versatile rotor-bearing simulation model, including elements required to model rolling-element bearings as main bearings in large floating offshore wind turbines. Furthermore, the thesis presents new ... -
Dynamic Analysis of a Braceless Semisubmersible Offshore Wind Turbine in Operational Conditions
(Peer reviewed; Journal article, 2015)The development of cost effective floating type offshore wind turbines has been desired in deep sea areas. Semisubmersible platform can be considered as a very efficient design configuration among the different type ... -
Dynamic analysis of a floating vertical axis wind turbine under emergency shutdown using hydrodynamic brake
(Journal article; Peer reviewed, 2014)Emergency shutdown is always a challenge for an operating vertical axis wind turbine. A 5-MW vertical axis wind turbine with a Darrieus rotor mounted on a semi-submersible support structure was examined in this study. ... -
Dynamic Analysis of a Floating Vertical Axis Wind Turbine using the Actuator Cylinder Flow Theory - Comparative study on a land-based versus spar vertical axis wind turbine concept and a code-to-code comparison
(Master thesis, 2016)An ever-increasing demand for electricity pushes the wind energy industry to deep waters that favor floating concepts. Vertical axis wind turbines (VAWTs) failed for onshore applications in the 1980s, but its advantages ... -
Dynamic Analysis of a Floating Wind Turbine with a Hydraulic Transmission System
(Chapter, 2015)A 5 MW spar-type floating wind turbine equipped with high-pressure hydraulic transmission machinery is presented in this paper. The hydraulic transmission system consists of a hydraulic pump, a nonreturn check valve, a ... -
Dynamic Analysis of a Francis Turbine
(Master thesis, 2019)Francisturbiner er velkjente installasjoner i norske vannkraftverk. De dynamiske egenskapene til en Francisturbin påvirkes signifikant av miljøet den opererer i, det er derfor et stort ønske å forstå samspillet mellom ... -
Dynamic Analysis of a Monopile Offshore Wind Support Structure Subjected to Earthquakes - A Comparative Study Between the Responses of an Elastic and an Inelastic Soil-Structure Interaction Model Through Incremental Dynamic Analysis
(Master thesis, 2018)It was shown that the response of the structure is highly sensitive to the amplitude of the earthquake, following a nonlinear increase in response with increasing PGD. Even at the recorded moderate earthquake level, nonlinear ... -
Dynamic Analysis of a Subsea Module During Splash-zone Transit
(Master thesis, 2013)This thesis carries out a research on the dynamic performance of the template during the lowing operation through splash-zone. During the lifting operation, especially under harsh environment, the waves, winds as well as ... -
Dynamic analysis of a system with RPT
(Master thesis, 2018)The purpose of this master thesis is to establish and validate a simulation model of the transition from pump to turbine mode of operation for hydropower systems with reversible pump-turbines (RPTs). The model builds on ... -
Dynamic analysis of bridges for horizontal and vertical pedestrian loads
(Master thesis, 2010) -
Dynamic Analysis of Connected Jackets
(Master thesis, 2018)The dynamic behavior of jacket platforms connected by a bridge has been studied by time-domain simulations in USFOS, which is a nonlinear finite element program. The main motivation behind studying this, is to be able to ... -
Dynamic Analysis of Energy Recovery Utilizing Thermal Storage from Batch-Wise Metal Casting
(Chapter, 2020)The thermal exergy contained in the liquid metal in ferroalloy production makes it an interesting source for energy recovery. The heat released during casting is rarely utilized today. This work investigates the feasibility ... -
Dynamic Analysis of Fire Water Pump Module
(Master thesis, 2012)The thesis starts with a simple description of the system and some brief theory needed for the following analysis. Further a factory acceptance test is performed, this implies measurement of the dynamic response due to ... -
Dynamic Analysis of Floating Bridges with Transverse Pontoons
(Master thesis, 2014)The main objective of this thesis is to analyse the dynamic response of floatingbridges with transverse pontoons, when subjected to harmonic regular waveloads. As a result, a simplified beam model of the Bergsøysundet ... -
Dynamic analysis of floating bridges.
(Master thesis, 2023)Floating bridges, also known as pontoon bridges, are structures intended to connect two sides of land separated by a body of water and differentiated from standard bridges by the use of floating elements (generally pontoons) ... -
Dynamic Analysis of Floating Dock Structures
(Master thesis, 2015)This paper concerns a dynamic analysis preformed on a floating dock structure. The structure was installed by Bi-Brygga AS and failed in 2013 during a winter storm. Bi-Brygga AS offered this structure as a case study for ... -
Dynamic Analysis of Floating Wind Turbine subjected to Deterministic Wind Gusts
(Master thesis, 2019)This thesis focuses on the time domain response under extreme deterministic wind gusts, for which simulations are carried out in order to assess the turbine’s performance and build a database: softwares SIMA, FAST and ...