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Application and development of numerical methods for the modelling of innovative gas cooled fission reactors
(Lappeenranta University of Technology, 2014-12-05)
Innovative gas cooled reactors, such as the pebble bed reactor (PBR) and the gas
cooled fast reactor (GFR) offer higher efficiency and new application areas for nuclear
energy. Numerical methods were applied and developed ...
Reliability Based Design, Analysis and Control of the Remote Handling Maintenance System for Fusion Reactor
(Lappeenranta University of Technology, 2018-01-12)
The in-vessel components of fusion reactor, such as the divertor and blanket that face the hot plasma during plasma operation, need regular maintenance due to the damage caused by the heavy heat load, the thermal stress ...
Financial literacy in perspective – evidence from Estonian and Finnish students
(Lappeenranta-Lahti University of Technology LUT, 2022-03-25)
Rapid evolution of the financial sector, and the shift of responsibility for long-term financial well-being from the states to the individuals, caused mainly by demographic changes, requires a deeper understanding and ...
Analysis of theory and methodology used in determination of electric motor drive system losses and efficiency
(Lappeenranta-Lahti University of Technology LUT, 2021-04-23)
This research is divided into two main parts: loss determination of motors, converters, and motor drive systems and determination of measurement uncertainty. With its accurate measurements and data analysis, the work ...
The role of Smart Connected Product-Service Systems in creating sustainable business ecosystems
(Lappeenranta-Lahti University of Technology LUT, 2021-06-08)
The dissertation focuses on the role of Smart Connected Product-Service Systems (SCPSS) in creating sustainable business ecosystems. The objective of the research is to propose a unified lifecycle concept that defines what ...
Intelligent algorithms of a redundant robot system in a future fusion reactor
(Lappeenranta-Lahti University of Technology LUT, 2021-05-14)
A fusion reactor, also called a thermonuclear reactor, is a large-scale of size device to produce electrical power from the energy released in a nuclear fusion reaction, in which the environment is very hot and radioactive, ...
Faster than real-time simulation of fluid power-driven mechatronic machines
(Lappeenranta-Lahti University of Technology LUT, 2021-06-01)
The level of automation of mechatronic machines, such as excavators, logging harvesters or fluid power-driven cranes, has increased significantly over the past few decades. In the machine industry, this led to the emergence ...
Artificial intelligence : a modern approach to increasing productivity and improving weld quality in TIG welding
(Lappeenranta-Lahti University of Technology LUT, 2021-07-29)
Recent years have seen the welding industry facing demands for improved productivity and efficiency together with simultaneous enhancement of the quality of welded structures. The welding industry has met these challenges ...
Modification of Photocatalyst with Enhanced Photocatalytic Activity for Water
(Lappeenranta University of Technology, 2015-06-11)
Increasing demand and shortage of energy resources and clean water due to the
rapid development of industry, population growth and long term droughts have become
an issue worldwide. As a result, global warming, long term ...
Wind Turbine Direct-Drive Permanent-Magnet Generator with Direct Liquid Cooling for Mass Reduction
(Lappeenranta University of Technology, 2014-06-25)
Today’s electrical machine technology allows increasing the wind turbine output power
by an order of magnitude from the technology that existed only ten years ago. However,
it is sometimes argued that high-power direct-drive ...