Blar i Institutt for energi og prosessteknikk på dokumenttype "Master thesis"
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A new Design of a Francis Turbine in order to reduce Sediment Erosion
(Master thesis, 2010)This Master Thesis is about the sand erosion challenges with the Francis turbines. The background for studying this subject is the fact that the sand erosion problem is a very negative factor for the development of new ... -
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 ... -
A Numerical Investigation of Turbulent Combustion in Pool Fires using OpenFOAM
(Master thesis, 2022)Brann er en faretype som kan p˚aføre store økonomiske tap og føre til tap av liv. Økt kunnskap rundt nøyaktig modellering av brann er ett av de første stegene for ˚a f˚a en bedre innsikt i dens mekanismer og gir bedre ... -
A regionalized scenario-based impact assessment of battery raw materials production
(Master thesis, 2023)In order to limit global temperature, rise within the range of 1.5°C to 2°C, the rapid implementation of electric vehicles (EVs) is crucial for decarbonizing the transport sector. However, the increased demand for lithium-ion ... -
A study of two-phase gas-liquid flow with viscous oil in a vertical pipe and annuli channel
(Master thesis, 2016)The knowledge of gas-liquid flows in annulus geometries can be found in several applications such as the geothermal, nuclear, space, chemical and petroleum. Over time, the design of ducts with annulus geometries for transport ... -
A systematic Design Methodology for Multicomponent Membrane Systems
(Master thesis, 2015)Abstract Fossil fuel predominantly dominates the world energy supply. With energy demand set to increase, especially for developing countries, CO2 emissions tax and the environmental impact of high CO2 concentration in ... -
A Taxonomy for Indicators Related to the Sustainable Development Goals: A Norwegian Municipality Case Study
(Master thesis, 2021)Global conditions are pushing cities and municipalities to a deeper involvement in sustainability. The 2030 Agenda contributes as a framework for multi-level stakeholders to aim for the Sustainable Development Goals. In ... -
A thermogravimetric and kinetic study on devolatilization of biomass
(Master thesis, 2018)The pyrolysis characteristics of spruce wood and birch wood, both of two different particle sizes: 0.063-0.1 mm and 0.2-0.3 mm were investigated using thermogravimetric analyzer. The pyrolysis process was subdivided into ... -
A thermogravimetric and kinetic study on devolatilization of woody biomass
(Master thesis, 2016)Biomass is a promising energy resource for a more sustainable global energy outlook. Thermochemical conversion of biomass is a very attractive and important technology for energy generation and production of value-added ... -
A time-quantitative analysis of calorie flows within the global food supply and the calorie footprint of nations - opportunities for increasing food availability and enhancing food security.
(Master thesis, 2022)Motivert av interessen for å finne måter å øke tilgjengeligheten på mat for å mate befolkningen i 2050 samtidig som den møte den økende globale etterspørselen etter avlinger til andre formål, presenterer dette arbeidet en ... -
Absorber for concentrating solar heat collectors
(Master thesis, 2011)Open volumetric absorbers have been tested and evaluated with the objective to determine their ability to heat air for small scale concentrating solar systems, more exactly a solar oven where a stove is heated up by a rock ... -
Active and passive measures to maintain pressure in LNG fuel systems for ships
(Master thesis, 2015)The purpose of this master thesis is to investigate the effects of active and passive measures to maintain the pressure in LNG fuel systems for ships. The background was two de-loading events that occurred on the gas engines ... -
Adapting the Design Procedures of Heat Pump Systems to nZEB
(Master thesis, 2015)Several changes in the previous Simulink model have been conducted. This have significantly reduced computational time and made the model more user friendly. A more realistic representation of the ground source and the ... -
Adaption of a two phase solver for axisymmetric problems
(Master thesis, 2012)This report documents the adaptation of a two dimensional two phaseNavier-Stokes solver to axisymmetric problems. The changes fromCartesian to cylindrical coordinates are thoroughly described with finitedifference methods ... -
Adaptiv gitterforfining for Euler ligningene av gassdynamikk
(Master thesis, 2019)En finitt volumløser som benytter adaptiv gitterforfining på ustrukturerte gitter har blitt utviklet for de to dimensjonale Euler-ligningene for gassdynamikk. Løseren bruker den eksplisitte Euler-metoden og Rusanov-metoden ... -
Adiabatic compressed air energy storage
(Master thesis, 2015)An increasing amount of intermittent renewable energy sources are being introduced to the European electrical grid. This results in difficulties to maintain and ensure a reliable and steady electricity supply. Energy storage ... -
Adsorption-Based Heat Storage for Cooking
(Master thesis, 2019)With the increasing effort to develop renewable technology, chemical heat storage has become more and more attractive. By using this type of storage, the heat dissipation issue is solved by storing the energy in the form ... -
Adsorptive Hydrogen Storage: Experimental investigations on thermal conductivity in porous media
(Master thesis, 2013)The objective of this work was to install and verify the Hot Disk TPS measurement setup for thermal conductivity measurements, and to carry out experiments on various porous materials. A literature survey on gas/solid ... -
Advanced analysis of measured data for efficient operation of modern buildings
(Master thesis, 2011)The aim of this study is to define several methods that enable to estimate the heat exchanged in the different components of an air handling unit (AHU), and propose control strategy optimizations. The AHU studied is a part ... -
Advanced experimental analysis of a small-scale prototype with noble gases for the future upgrade of the detector cooling system at CERN
(Master thesis, 2023)Som en del av High-Luminous oppgraderingen av Large Hadron Collider ved CERN i 2026, er det nye krav til kjøling av detektorene i interaksjonspunktene. Det nåværende systemet bruker CO₂ som kjølemiddel, og de nye kravene ...