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Identifying the influence of an operational environment on environmental impacts of waste management
(Lappeenranta-Lahti University of Technology LUT, 2019-12-13)
Ever-increasing waste generation, resource depletion and awareness of adverse environmental impacts all factor into the growing application of life cycle assessment (LCA) as a method for evaluating the potential environmental ...
Applicability of GaN high electron mobility transistors in a high-speed drive system
(Lappeenranta-Lahti University of Technology LUT, 2020-02-10)
Lossless operation and instantaneous switching are properties of an ideal power electronic switch. Wide band gap devices based on gallium nitride (GaN) are the current peak performers in regard to losses and switching ...
Transition towards decarbonised power systems for sub-Saharan Africa by 2050
(Lappeenranta-Lahti University of Technology LUT, 2021-05-25)
Globally, power systems are undergoing significant structural changes, spurred primarily by declining cost of renewable energy technologies, changing demand patterns, energy security concerns, increasing scarcity of fossil ...
International trade in biomass for energy production: The local and global context
(Lappeenranta University of Technology, 2018-08-31)
Biomass is an important source of renewable energy in the global energy mix. International trade in biomass is increasing. It is stimulating global use of biomass for energy and promoting development of bioenergy in many ...
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 ...
Optimizing design and process parameters for recycled thermoplastic natural fiber composites in automotive applications
(Lappeenranta-Lahti University of Technology LUT, 2022-05-20)
Factors such as governmental legislation, environmental concerns, and curiosity amongst researchers are fueling the need to find novel applications for the utilization of recycled thermoplastic waste. One of the exciting ...
Real-Time Efficient Computational Approaches for Hydraulic Components and Particulate Energy Systems
(Lappeenranta-Lahti University of Technology LUT, 2020-12-11)
The so-called fourth industrial revolution requires high-speed data transmission and application of real-time computation to the phenomena. These two technologies highlight the potential of the digital-twin concept for ...
Power-based electricity distribution tariffs providing an incentive to enhance the capacity effectiveness of electricity distribution grids
(Lappeenranta-Lahti University of Technology LUT, 2022-02-11)
Energy transition is reshaping the electricity sector at a fast pace. As a consequence, electricity distribution systems are facing profound changes because also customer loads are undergoing a significant development. In ...
The role of efficient forest biomass logistics on optimisation of environmental sustainability of bioenergy
(Lappeenranta-Lahti University of Technology LUT, 2020-06-17)
Forest biomass is a crucial element in the energy system in many parts of the world, especially in Finland, and it is expected to play a similar, if not a more important, role in the near future as countries aim to replace ...
Raw Material Supply and its Influence on Profitability and Life-Cycle Assessment of Torrefied Pellet Production in Finland – Experiences from Pilot-Scale Production
(Lappeenranta-Lahti University of Technology LUT, 2021-11-05)
The European climate policy aims to move toward an environmentally friendly world, and it has been awakened by a strong will to find replacement fuel alternatives to fossil fuels, especially for coal. Torrefied pellets ...