Blar i Institutt for energi og prosessteknikk på emneord "Energi og miljø, Varme- og energiprosesser"
Viser treff 1-20 av 21
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Application of mechanistic models for flow distribution and heat transfer in finned tube bundles
(Master thesis, 2013)The focus of this thesis was heat transfer and pressure drop in staggered tube bundles with solid and serrated fins. The first part of the work dealed with five prediction models, namely PFR's model (1976), Nir's model ... -
Assessment of the potential of small scale LPG technologies
(Master thesis, 2014)Many countries experience an economic growth, naturally leading to an increasing demand of energy. LPG is a relatively unknown energy carrier in Europe, whereas in other parts of the world LPG is used for daily cooking in ... -
Conversion of solid reacting particles in a non-premixed double shear layer
(Master thesis, 2018)As the increasing the efficiency of the combustion processes is crucial nowadays, a fundamental understanding of this process is required. This thesis is focusing on the effect of turbulence on the conversion rate of solid ... -
Design and simulations of Refrigerated Sea Water Chillers with CO2 ejector pumps for marine applications in hot climates
(Master thesis, 2017)According to provided literature review, many investigations concerned improvement possibilities of carbon-dioxide refrigeration units. Basis for further development of this technology are located in environmentally friendly ... -
Design av ventialsjonsvifte
(Master thesis, 2010)Bakgrunn Nye EU-direktiver legger press på å komme med nye løsninger som gir lavere energi forbruk i bygninger. Da ventilasjon av bygg krever mye energi, vil optimalisereing av komponenter i ventilasjon systemene bidra ... -
Development of an energy efficient and environmentally friendly drum dryer using a heat pump with CO2 as working fluid
(Master thesis, 2014)The drum dryer is a common appliance for drying clothes in households today. It is constantly developed in order to reduce its environmental impact and energy consumption. An industrial partner has initiated a research ... -
Evaluation Of Design Concepts For A Separation Monitoring Technology
(Master thesis, 2014)Current wet gas meters used by Statoil can detect liquid volume fractions (LVFs) over 5%, but not smaller fractions. This means that there are currently no technologies capable of monitoring separation performance. It is ... -
Evaluation of fiber for fault detection in a Direct Electrical Heating System
(Master thesis, 2015)Direct electrical heating (DEH) is a field proven flow assurance technology which is based on controlling the temperature by electrifying the pipeline and utilizing the pipelines electrical resistance to generate heat. ... -
Experimental Investigation of evaporation of propane (R290) in small pipes
(Master thesis, 2018)This master thesis discusses the two-phase boiling pressure drop and heat transfer characteristics of propane in different test conditions in an experimental setup. One smooth tube with inside diameter of Di=4.2 mm was ... -
Funksjonstest av ventilasjonsvifte
(Master thesis, 2010)Økt fokus på energibruk i bygninger gjør det interessant å sjekke virkningsgrad til vifter for ventilasjonsformål som mistenkes å være lav. 15 \% av energien i nye bygg går i dag til å drive ventilasjonsvifter. Slik designen ... -
Heating power at room and building levels in passive houses and low-energy buildings
(Master thesis, 2015)This master thesis investigates the Norwegian standard for calculating necessary power demand, NS-EN 12831:2003- Varmesystemer i bygninger - Metode for beregning av dimensjonerende effektbehov. In that context, it is also ... -
Improvement of energy efficiency in a brewery
(Master thesis, 2018)The implementation and performance of an innovative surplus heat recovery system in a brewery are analyzed in this Thesis. An energy balance of the flows present in the plant was performed, and focus was given to determining ... -
Investigation of Pressure Release Systems for CO2
(Master thesis, 2015)A pressure release system for CO2 is designed to release CO2 from a system where the pressure is higher than a predetermined maximum pressure. Precautions has to be taken when designing a pressure release system for CO2 ... -
Micro-Nano enhanced surfaces for investigation of oil-water separation
(Master thesis, 2015)Separator are an important part of the oil processing. The fluid mixture extracted from an oil well contains large amount of water, and is separated by using large separators. A gravitational separator relies on the ... -
Numerisk simulering av strømning omkring anisotrope partikler
(Master thesis, 2013)I denne studien er uniform strømning og lineær skjærstrømning omkring partikler ved lave Reynoldstall simulert ved hjelp av den åpne programvaren OpenFOAM. Fra resultatene framkommer det at ved uniform strømning avtar ... -
Optimale feil-posisjoner for reguleringsventiler i et kjølemedium-system
(Master thesis, 2014)As part of a modification project for one of the fields in the North Sea, the optimal failure position of three new globe valves has been studied. In a gas compression train, the gas needs to be cooled to a set temperature, ... -
Parameter study of electric power production in wind farms - experiments using two model scale wind turbines
(Master thesis, 2014)A parameter study investigating the effects of adjusting tip speed ratios (TSR) and turbine distance in a model scale wind farm was conducted in the wind tunnel facility at NTNU. The aim was to identify optimal turbine ... -
Study on the performance of central solar heating plants with seasonal storage using underground soil in North China and Norway
(Master thesis, 2014)This thesis involves the work on a combined system consisting of a solar collector, a geothermal heat pump and borehole ground storage. To fully utilize solar energy this study is based on a heating system deigned to store ... -
Testing av regulator for små turbiner
(Master thesis, 2013)In this master thesis, an experimental setup for a stand-alone power system has been installed and tested in the Waterpower Laboratory at NTNU. The experimental test rig consisted of a cross-flow turbine, a synchronous ... -
Varmelagring i neste generasjon vedovner
(Master thesis, 2013)Instituttet for energi- og prosessteknikk er involvert innen forskning og utvikling av neste generasjons vedovner. Et av målene for slike vedovner er at de skal ha en vesentlig jevnere effektavgivelse enn dagens løsninger. ...