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Supporting strategic asset management in complex and uncertain decision contexts
(Lappeenranta-Lahti University of Technology LUT, 2019-10-25)
Strategic asset management can be defined as strategic-level coordinated activity of an organization to realize value from assets. Strategic asset management decisions are often uncertain and complex. Uncertainty refers ...
Ni-Mn-Ga magnetic shape memory alloy for precise high-speed actuation in micro-magneto-mechanical-systems
(Lappeenranta University of Technology, 2019-01-17)
Single crystalline Ni-Mn-Ga alloys are known for their large reversible magnetic-field-induced strain (MFIS) of several percent. This effect was discovered and named magnetic shape memory (MSM) by K. Ullakko in 1996. Since ...
Experimentally validated numerical modelling of reacting multiphase flows in stirred tank reactors
(Lappeenranta-Lahti University of Technology LUT, 2019-04-12)
Homogenization of reacting flows by mixing is often important in order to achieve high reaction rates. Mechanical RANSagitation is the usual way to homogenize fluids used in industry. When supplied to fluid media, mechanical ...
Knowledge Ecosystem Formation: An Institutional and Organisational Perspective
(Lappeenranta-Lahti University of Technology LUT, 2019-04-27)
The main purpose of this thesis is to provide a better understanding on knowledge ecosystem formation, that is, the factors and processes that result in the emergence of knowledge ecosystems and their particular forms of ...
High Power Fiber Laser Welding of Thick Section Materials – Process Performance and Weld Properties
(Lappeenranta-Lahti University of Technology LUT, 2019-11-27)
High power fiber laser systems have reached output powers far beyond 30 kW and a fiber laser source of 100 kW output power has recently become available for fundamental research. With the high laser power that is now ...
Sustainable business models for advancing system-level sustainability
(Lappeenranta-Lahti University of Technology LUT, 2019-12-13)
Sustainability challenges call for changes at different levels and scales, and actions by all sectors of society, including business. Prior research has identified the central role corporate strategies, innovations, and ...
Optimizing the specific energy consumption of vacuum filtration
(Lappeenranta-Lahti University of Technology LUT, 2019-12-13)
Vacuum filtration is applied in solid-liquid separation in a wide variety of industrial processes for instance in the mining, chemical, and paper industries. The main contributor to the considerable energy consumption of ...
Psychological aspects of entrepreneurship – How personality and cognitive abilities influence leadership
(Lappeenranta-Lahti University of Technology LUT, 2019-12-18)
About 100 years after Schumpeter’s initial work on “The Theory of Economic Development“, research on entrepreneurship is still a growing and remarkably dynamic field that comprises various research streams and builds on ...
Investigation of EEG signal processing for rehabilitation robot control
(Lappeenranta-Lahti University of Technology LUT, 2019-12-13)
A significant number of stroke patients suffer from movement disability and the numbers are increasing annually. The Brain Computer Interface (BCI) science enables solutions for the paralyzed patients based on the location ...
Design and control of a permanent magnet bearingless machine
(Lappeenranta-Lahti University of Technology LUT, 2019-11-29)
The overall efficiency of high-speed applications can be improved by applying direct drive motor technology. Operating in the high-speed region is a demanding task for the traditional bearing technology. With active magnetic ...