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Quantitative indicators of social sustainability applicable in process systems engineering
(Lappeenranta-Lahti University of Technology LUT, 2019-05-23)
The emerging interest in sustainability for process systems engineering is motivated by the need to create an environmentally, economically and socially stable society. This is because companies have realized that profit ...
CFD-based optimization for wind turbine locations in a wind park
(Lappeenranta-Lahti University of Technology LUT, 2019-05-10)
Searching for the optimal positions of wind turbines in a wind farm for their maximal power generation has an important and difficult role in the wind energy industry. Several factors have to be considered while designing ...
Modification of carbon-based electrodes using metal nanostructures : Application to voltammetric determination of some pharmaceutical and biological compounds
(Lappeenranta-Lahti University of Technology LUT, 2019-08-16)
In this study, new modified carbon-based electrodes were fabricated and applied in the detection and determination of several medicines and water pollutants. Modification enhanced the use of these electrodes for analytical ...
Perspectives on business model experimentation in internationalizing high-tech companies
(Lappeenranta-Lahti University of Technology LUT, 2019-05-10)
The main research question addressed in this doctoral dissertation is “How do high-tech companies employ business model experimentation in their internationalization processes?” As the business model concept is itself ...
Selective recovery of rare earth elements from diluted aqueous streams using n- and o-coordination ligand grafted organic-inorganic hybrid composites
(Lappeenranta-Lahti University of Technology LUT, 2019-06-04)
The dominance exerted by the rare earth elements (REE) on the significant technological advancements of the past decades has been unmitigated and unparalleled. With such an eminent role played by REEs, there exists a ...
Big Data – Towards Data-driven Business
(Lappeenranta-Lahti University of Technology LUT, 2019-04-12)
This research stems from the disruptive phenomenon known as digital transformation, i.e. the pervasive use of digital technologies in order to add value in business. As a side effect of digital transformation, vast amounts ...
The linguistic approximation of fuzzy models outputs
(Lappeenranta-Lahti University of Technology LUT, 2019-11-29)
Linguistic approximation is a process of assigning linguistic labels to various mathematical objects, frequently ones that are obtained as outputs of fuzzy models. Such an assignment cannot be arbitrary – the usual requirement ...
Quantification of large steam bubble oscillations and chugging using image analysis
(Lappeenranta-Lahti University of Technology LUT, 2019-11-01)
The pressure suppression pool of a boiling water reactor as a safety system has vital importance from the nuclear reactor safety point of view. If a loss-of-coolant accident occurs, a large amount of steam is pushed through ...
Supercritical CO2 Numerical Modelling and Turbomachinery Design
(Lappeenranta-Lahti University of Technology LUT, 2019-04-16)
Supercritical CO2 Brayton cycles have attracted significant attention in recent years on the basis that they can achieve higher thermal efficiency at relatively lower turbine inlet temperature in comparison to conventional ...
Towards a sustainable valorisation of spilled oil by establishing a green chemistry between a surface active moiety of chitosan and oils
(Lappeenranta-Lahti University of Technology LUT, 2019-08-15)
This thesis presents fabrication of sustainable surfactants from bio-polymer and demonstrates their performance in dispersion of spilled oil with different quality of water and climatic conditions, to provide a sustainable ...