Selaus koulutusohjelman mukaan kokoelmassa Diplomityöt ja Pro gradu -tutkielmatSchool of Energy Systems, Energiatekniikka
Aineistot 1-20 / 470
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70 MWth kuplapetikattilan typenoksidipäästöjen vähentäminen
(2019)Työn tarkoituksena oli Vapo Oy:n toimeksiannosta selvittää, kuinka Forssan voimalaitoksen 70 MWth kuplapetikattilan typenoksidipäästöjä (NOx) voidaan vähentää. Päästövähennystarve on seurausta laitosta koskevan kaukolämpöjouston ... -
A comparison of predicted performance values from a 1D model and CFD simulations to measured data for an industrial high-speed centrifugal compressor
(2023)This thesis compared two different performance prediction tools for an industrial high-speed centrifugal air compressor through comparison of their predictions to experimental measurements. This comparison is done for the ... -
A design thinking approach for the workwear ecosystem : improving the environmental performance of workwear textiles
(2023)During the recent years, the textile industry has grown significantly triggering distress relating to the future climate impact of the industry. The concern is that the dominant value chain is linear and results continuously ... -
A profitability of the gasification plant in proportion to power consumption of a lime kiln
(2023)The aim of this thesis has been to build a tool to value the profitability of gasification plant investments. The tool enables the profitability of the investment to be assessed in relation to the power demand of the lime ... -
Absorptiojäähdytin osana kaukojäähdytystä : kustannustehokkuus Turku Energian kaukojäähdytystoiminnassa
(2023)Diplomityö selvittää jäähdytyksen toteutusta, tarkemmin käsitellen kaukojäähdytyksen toimintaa sekä tuotantotapoja ja perehtyy absorptiojäähdyttimen toimintaan. Tutkimuksen tavoitteena on selvittää absorptiojäähdyttimen ... -
Advanced leak detection system for recovery boilers
(2019)The master’s thesis was done to find out if by combining different methods, the accuracy and reliability of a leak detection system can be improved enough reduce the need for unnecessary operator presence in the boiler ... -
Agglomeraation hallinta kiertoleijukattilassa
(2022)Voimalaitoskattiloiden siirtymä pois fossiilisista polttoaineista kohti biomassaa sekä jäteperäisiä polttoaineita on aiheuttanut uusia ongelmia polttoteknisesti. Kierto- ja leijupetikattiloissa on törmätty biomassan poltossa ... -
Agglomeration of bed material in bubbling fluidized bed boilers with challenging fuels
(2021)In this Master’s thesis, the agglomeration in bubbling fluidized bed boiler (BFB) is studied by using experimental methods. The studied fuels are processed waste, oat shell pellet and sunflower seed shells. More knowledge ... -
Aksiaalisen tehojakauman poikkeaman säädön mallintaminen simulointiympäristöön ja sen virheen arviointi painevesilaitoksella
(2018)Olkiluoto 3:n reaktorisydän käyttää automaatiota hallitakseen reaktorin tilaa. Teollisuuden Voima Oyj:n Polttoainelaskenta- ja valvonta -yksikkö käyttää reaktorisydämen analyyseihin Studsvikin Core Management System ... -
Alkalielektrolyysin elektrodimateriaalien sähkökemiallinen karakterisointi
(2023)Fossiilisten polttoaineiden käyttö jatkaa tasaista laskuaan, mutta maailman primäärienergian kulutus kuitenkin kasvaa jatkuvasti. Uusiutuvan energiantuotannon lisääntyminen luo energiajärjestelmiin tuotannon kausittaista ... -
Aluekohtaisen energiajärjestelmän kehitys
(2021)Nykyiset energiankulutuksen sekä päästöjen vähennystavoitteet velvoittavat tuottamaan kiinteistöjen lämmityksen ja jäähdytyksen mahdollisemman energiatehokkaasti ja mahdollisimman paljon uusiutuvia energialähteitä hyödyntäen. ... -
Amine system optimization to reduce energy consumption
(2023)The purpose of this master’s thesis is to determine the optimization potential of amine system in Porvoo refinery to minimize the steam consumption in the reboilers of the amine regenerators. The benefits of optimization ... -
Analysis for the development of an optimization model for reserve market participation
(2023)Reserve markets are continuously developing to meet the demands of a changing energy system. The share of intermittent renewable energy production methods is increasing, and this drives the demand for more flexible energy ... -
Analysis of electrochemical impedance spectra in the context of polymer electrolyte membrane water electrolysis
(2021)The working of a Polymer Electrolyte Membrane (PEM) electrolysis cell is discussed and a graphical representation analysis of the equivalent circuit impedance is carried out. This helps to provide a comprehensive grasp on ... -
Analysis of line wind power plant concept
(2023)The accelerating adoption rate of renewable energy solutions, such as wind energy, provides opportunity for innovations to improve conventional designs or enable new use cases. A Finnish patent describing a line wind power ... -
Analysis of VVER-1200 passive heat removal systems : steam generator PHRS and containment PHRS
(2021)Passive safety systems used in nuclear power plants were examined in this thesis. First these systems have been introduced. Phenomena related to these systems were explained. Model systems were shown. This work focuses ... -
Applicability evaluation of smart readiness indicator for buildings
(2020)Buildings are a major energy consumer in the European Union, and only few existing buildings are classified as energy efficient. The EU has established energy directives to enhance energy performance and sustainability of ... -
Application of active thermal control methods for improving the thermal cycling performance and service lifetime of the machine-side converter of an airborne wind energy generator
(2021)High altitude wind systems are an upcoming wind power technology which extracts power from very high altitudes. In it, pumping cycle airborne wind energy system with reel out and reel in cycles undergo tremendous thermal ... -
Application of calcium looping process using circulating fluidized bed technology for decarbonization of Waste-to-Energy plants : process modeling of a tail-end calcium looping process with Aspen Plus
(2023)Reduction in fossil CO2 emission is necessary to limit global warming. Integrating carbon capture and storage (CCS) technology into Waste-to-Energy (WtE) plants presents a way to reduce fossil CO2 emissions or even create ... -
Application of CFD for the analysis of medium-scale LHTS for district heating
(2020)The Finite Volume method has been used to analyse the behaviour of a medium-scale latent heat thermal storage system. The shell-and-tube storage system is filled with phase change material (RT100) in the shell and heat ...