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Model-based design and optimisation of hydrometallurgical liquid–liquid extraction processes
(Lappeenranta University of Technology, 2018-11-12)
Hydrometallurgical methods are suitable for the treatment of primary, secondary, highand low-grade raw materials enabling the production of metals essential to modern society, in an environmentally and economically sustainable ...
Improving Transportation and Warehousing Efficiency with Simulation-Based Decision Support Systems
(Lappeenranta University of Technology, 2012-06-30)
Transportation and warehousing are large and growing sectors in the society, and their efficiency is of high importance. Transportation also has a large share of global carbondioxide emissions, which are one the leading ...
Simulation and optimization tools in paper machine concept design
(Lappeenranta University of Technology, 2012-11-16)
The last decade has shown that the global paper industry needs new processes
and products in order to reassert its position in the industry. As the paper
markets in Western Europe and North America have stabilized, the ...
Assessment of weld root fatigue strength of load-carrying fillet welded joints using notch stress approaches and finite element analysis
(Lappeenranta-Lahti University of Technology LUT, 2023-11-21)
This thesis uses nominal and notch stress concepts to evaluate the fatigue strength of loadcarrying fillet welded joints (LCFWJs) made of high-strength steel. The study investigates the effect of different reference radii ...
Modelling of component dynamics and system integration in power-to-gas process
(Lappeenranta-Lahti University of Technology LUT, 2021-12-09)
Climate change mitigation requires reducing of greenhouse gas emissions, especially carbon dioxide (CO2). Reducing fossil fuel usage is the main method of combatting greenhouse gas emissions in the energy sector, together ...
Mechanical Design Guidelines of an Electric Vehicle Powertrain
(Lappeenranta-Lahti University of Technology LUT, 2019-02-01)
The tendency of alternating fossil energy sources with state-of-the-art renewable energy resources is spreading in most contemporary fuel consuming applications, and transportation, as one of the essential human needs, is ...
Modeling and system analysis of electrically driven mechatronic systems
(Lappeenranta-Lahti University of Technology LUT, 2022-11-28)
A mechatronic system consists of mechanics, power electronics, and control electronics. Thus, designing a mechatronic system requires multidisciplinary knowledge. As the capabilities of microprocessors have increased and ...
Utilization of a Time Domain Simulator in the Technical and Economic Analysis of a Wind Turbine Electric Drive Train
(Lappeenranta University of Technology, 2010-08-13)
The amount of installed wind power has been growing exponentially during the past ten years. As wind turbines have become a significant source of electrical energy, the interactions between the turbines and the electric ...
Design and Simulation of High-Speed Rotating Electrical Machinery
(Lappeenranta University of Technology, 2016-01-22)
Global energy consumption has been increasing yearly and a big portion of it
is used in rotating electrical machineries. It is clear that in these machines
energy should be used efficiently. In this dissertation the aim ...
Methods for lifecycle support of hydraulically actuated mobile working machines using IoT and digital twin concepts
(Lappeenranta-Lahti University of Technology LUT, 2019-10-25)
The Internet of Things and Digital Twins are popular but quite distant concepts nowadays. Many problems arise along the efforts of combining these concepts. This research work focuses on these problems and considers the ...