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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 ...
Twin boundary dynamics in magnetic shape memory alloy Ni-Mn-Ga five-layered modulated martensite
(Lappeenranta University of Technology, 2018-12-10)
Ni-Mn-Ga magnetic shape memory (MSM) alloys are considered to be highly promising materials for actuation, damping, sensing and energy harvesting applications, due to the unique combination of a large transformation strain ...
Modelling of torrefaction and hydrothermal carbonization and heat integration of torrefaction with a CHP plant
(Lappeenranta University of Technology, 2016-12-09)
Biomass provides an excellent opportunity to increase the use of local resources and promote
renewable energy generation. The considerable diversity of biomass materials and differences
in their chemical structure require ...
Modelling flexible asset management in industrial maintenance companies and networks
(Lappeenranta University of Technology, 2013-11-22)
The tightening competition and increasing dynamism have created an emerging need for flexible
asset management. This means that the changes of market demand should be responded to with
adjustments in the amount of assets ...
LVDC power distribution system: computational modelling
(Lappeenranta University of Technology, 2014-08-15)
In the doctoral dissertation, low-voltage direct current (LVDC) distribution system
stability, supply security and power quality are evaluated by computational modelling
and measurements on an LVDC research platform. ...
Analysis and modelling of chemical looping combustion process with and without oxygen uncoupling
(Lappeenranta University of Technology, 2014-12-11)
Effective control and limiting of carbon dioxide (CO₂) emissions in energy production are major challenges of science today. Current research activities include the development of new low-cost carbon capture technologies, ...
Item-level life-cycle model for maintenance network – from cost to additional value
(Lappeenranta University of Technology, 2015-12-11)
The importance of industrial maintenance has been emphasized during the last decades;
it is no longer a mere cost item, but one of the mainstays of business. Market conditions
have worsened lately, investments in production ...
Induction Motor Drive Energy Efficiency - Simulation and Analysis
(Lappeenranta University of Technology, 2010-08-27)
A coupled system simulator, based on analytical circuit equations and a finite element method (FEM) model of the motor has been developed and it is used to analyse a frequency-converterfed industrial squirrel-cage induction ...
Model based analysis of the post-combustion calcium looping process for carbon dioxide capture
(Lappeenranta University of Technology, 2013-12-09)
This thesis presents a one-dimensional, semi-empirical dynamic model for the
simulation and analysis of a calcium looping process for post-combustion CO2 capture.
Reduction of greenhouse emissions from fossil fuel power ...