Blar i Institutt for energi og prosessteknikk på emneord "Energi og miljø, Strømningsteknikk"
Viser treff 1-20 av 47
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A Novel Approach to Flow Model Turbulence Validation Using a Long Range Pulsed Lidar
(Master thesis, 2017)Flow models are useful to predict wind conditions for wind energy production purposes. However, as wind power development expands into areas of even more complex terrain and challenging flow conditions, more research is ... -
Aerodynamic Development of DNV GL Fuel Fighter - Towards Shell Eco Marathon 2015
(Master thesis, 2015)Shell Eco Marathon (SEM) is an international engineering competition for university students. The aim of the competitions is to build a vehicle that achieves the highest possible energy efficiency. DNV GL Fuel Fighter is ... -
An Experimental Study of the Jet in Cross-Flow in Fully Developed Turbulent Channel-Flow
(Master thesis, 2015)In this study a transient air jet in a fully developed turbulent channel flow has been studied. The main objective has been to see how the behaviour of the jet has been effected by the turbulent channel flow. The flow in ... -
Analysis of prediction methods for environmental conditions at the Hywind site - Analyse av beregningsmetoder for miljø på Hywind-lokasjonen
(Master thesis, 2016)The increasing amount of offshore installations and maintenance are rising the importance of reliable weather forecast. To carry out an offshore operation it is necessary that the waves are not too high nor the wind and ... -
Analysis of the Turbulence Intensity at Skipheia Measurement Station
(Master thesis, 2015)Two years of data from the coastal measurement station at Skipheia in Norway have been analysed to characterise the atmospheric turbulence intensity (TI) in the wind. In addition to consider all data at 70 meters in one, ... -
Comprehensive comparison of analytical wind turbine wake models with wind tunnel measurements and wake model application on performance modelling of a downstream turbine
(Master thesis, 2017)Wake effects in wind farms can cause significant power losses. In order to reduce these losses layout and control optimization can be applied. For this purpose, simple and fast tools to predict the wake flow are needed. ... -
Conduit Dynamics in Herand Power Plant
(Master thesis, 2015)The aim of this master thesis was to conduct a stability analysis of Herand power plant. Herand is a hydropower plant under planning by Herand Kraft, and it is planned to have a generator of 27MVA. The size of the power ... -
Design of a Portable Reverse Osmosis System
(Master thesis, 2016)The motivation for this thesis was to design a reverse osmosis system that is small, lightweight, durable and easy to transport. The intended application area of the system is to secure the supply of clean drinking water ... -
Design of a Turbine That Utilizes the Energy in Spill Water of Large Ships
(Master thesis, 2018)In this master thesis, a Straflo turbine prototype used for energy recovering in large ships was tested, evaluated, and redesigned. The main goals were first to evaluate the performance of the prototype based on efficiency ... -
Development of the Pressure-Time as a Relative Method
(Master thesis, 2017)Hydropower has played an essential role in the Norwegian power production over the last century. Approximately 99.9 % of the total production comes from renewable sources, of which hydropower represent 99 %. Changes in ... -
Direct Numerical Simulation of Turbulent Channel Flow
(Master thesis, 2018)Several Direct Numerical Simulations (DNS) of a fully developed turbulent channel flow are performed. The aim of this thesis is to analyze how grid resolutions and domain sizes affect the turbulence statistics. The simulations ... -
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 ... -
Effect of Heat Flux and External System Configuration on Pressure Drop Oscillations in a Horizontal Pipe
(Master thesis, 2015)Heat transfer processes can greatly benefit from the use of the boiling and condensation in two-phase flows. However, the use of two-phase flows may induce instabilities in the heat transfer system, causing control problems ... -
Effektregulering av vannkraftverk med Peltonturbiner
(Master thesis, 2016)Denne masteroppgaven er en fortsettelse av prosjektoppgaven "Dynamisk dimensjonering av vannkraftverk". Evanger kraftverk skal rehabiliteres. Kraftverket er driftet av BKK og er Norges 10. største. Ønsket er nå å oppnå mer ... -
Energy Systems on Autonomous Offshore Measurement Stations
(Master thesis, 2015)In this study, a performance test has been performed on a 200 W marine wind turbine, both in the wind tunnel at The Fluid Engineering Department at the Norwegian University of Science and Technology, and mounted on a ... -
Energy utilization from deep geothermal sources
(Master thesis, 2018)Recently, heat extraction from supercritical water (i.e. high pressure and high temperature) has received significant attention. Supercritical water from aquatic reservoirs several kilometers below the surface are led to ... -
Experimental Investigation and Mitigation of Vortex Shedding
(Master thesis, 2017)As part of meeting the increase in energy needs and environmental challenges, energy production using intermittent power sources as wind, solar and wave energy has increased. As a consequence, hydropower plants are exploited ... -
Experimental study of multiphase flow in an upward-inclined pipe
(Master thesis, 2017)This work has been dedicated to gain knowledge about two-phase flow in an inclined pipe through experimental investigation and adaption of theoretical framework from relevant literature. Two-phase flow experiments with ... -
Fluid-Structure Interaction in Compressible Viscous Flow
(Master thesis, 2018)In this master's thesis a ghost-point immersed boundary method for the compressible Navier-Stokes equations using higher order summation by parts operators is described and implemented for two-way coupled fluid-structure ... -
FSI Simulation of a Guide Vane
(Master thesis, 2016)When fluid flows over an object, vortexes can develop, depending on the geometry of the object and conditions in the flow. Unwanted vortexes can be generated around both stay vanes and guide vanes in a hydropower plant, ...