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Development of concentrated solar power and conventional power plant hybrids
(2016)
Diplomityö
Diplomityö
CSP hybrids are one of the possible technical solutions in order to increase the share of renewable energy and decrease greenhouse gas emission levels as well as fuel consumption. The main objectives of the thesis are to ...
Improving automation delivery project quality with quality gate project model
(2016)
Diplomityö
Diplomityö
In Valmet Automation, a strong need for improvement of project quality and reduction of quality costs has been acknowledged. As a solution, in this study a new quality gate model for automation delivery projects is created. ...
Requirement Specification for Station Blackout Gas Turbine Generator in a Nuclear Power Plant
(2013)
Diplomityö
Diplomityö
The ultimate purpose of nuclear power plant safety systems is to prevent damage to the reactor and the possible release of radioactive materials into the surroundings following an internal or external event that interrupts ...
Characterization of a Downdraft Gasifier Fueled by Bamboo - A Pilot Project in Mexico
(2015)
Diplomityö
Diplomityö
Biomass gasification is a promising technology for using local feedstock to produce synthesis gas that can be applied for electricity production. Different biomasses can be utilized for the process and this study concentrates ...
Immobilization of Arsenic through pH Control during Bioleaching of Nickel Flotation Concentrate
(2013)
Diplomityö
Diplomityö
Bioleaching is a biohydrometallurgical method that utilizes the ability of acidophilic microorganisms such as Acidithiobacillus ferrooxidans, At. caldus, or Leptospirillum ferrooxidans to oxidize mineral sulfides, iron and ...
Computational Fluid Dynamics Modeling of Pulverized Biomass Combustion Using Optimized Reactivity Parameters
(2016)
Diplomityö
Diplomityö
In this work, optimized apparent reactivity parameters are used for combustion modeling of two biomass fuels. The main goal is to examine how the existing solid fuel models in the commercial Computational Fluid Dynamics ...
The evolving requirements for smart secondary substations in three European regulatory market environments
(2014)
Diplomityö
Diplomityö
This thesis outlines secondary substation concepts for three European countries, them being Finland, Germany, and Italy. The conceptual solutions were formed to tackle the current technical challenges in the distribution ...
Impact of Operation and Maintenance Practices on Sustainability of Rural Water Supply Systems – case Devchuli, Nepal
(2016)
Diplomityö
Diplomityö
Tässä diplomityössä tutkittiin kunnossapitokäytäntöjen vaikutusta vesihuoltojärjestelmien pitkän aikavälin kestävyyteen. Työssä tutkittiin Länsi-Nepalissa 1990-2005 toteutetun Suomen osittain rahoittaman Rural Water Supply ...
Operation of Vacuum Sewer System - case Ondangwa, Namibia
(2016)
Diplomityö
Diplomityö
The purpose of this thesis was to analyze the malfunctioning vacuum sewer system in Ondangwa, Namibia. The system did not form adequate vacuum to transport sewage from the formation place to the vacuum station and therefore ...
Experimental study on adsorption storage of gases on solid materials
(2015)
Diplomityö
Diplomityö
The goal of this thesis was to study adsorption storage of gases, mainly methane, in porous solids. The study included reviewing literature, building an experimental setup, preparation of samples, adsorption measurements ...