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Theoretical and Experimental Analysis of Dynamic Loading of a Two-stage Aircraft Engine Fuel Pump and Methods for Its Decreasing
(Lappeenranta University of Technology, 2017-11-10)
Aircraft fuel pumps are known to be the most loaded units of the gas turbine engines. Primary engine fuel pump is the key component limiting the reliability and endurance of the fuel system, and, as a result, the durability ...
Effects of adaptive GMAW processes: Performance and dissimilar weld quality
(Lappeenranta University of Technology, 2017-06-21)
The last decades have seen growing demand for welding of dissimilar steels, in particular,
as a part of efforts to improve transportation safety and, by weight reduction, to improve
fuel consumption. Moreover, in ...
A Numerical Study of Forest Influences on the Atmospheric Boundary Layer and Wind Turbines
(Lappeenranta University of Technology, 2017-07-21)
In the past years, energy consumption in Finland was not fully covered by the energy produced
in Finland, and approximately 20% of the total energy consumption was imported.
Despite the suitable wind condition, the wind ...
Development of the EAST articulated maintenance arm and an algorithm study of deflection prediction and error compensation
(Lappeenranta University of Technology, 2017-06-30)
Experimental Advanced Superconducting Tokamak (EAST) is the world's first fully
superconducting tokamak with a non-circular cross-section. In recent years, with
increased device performance and experimental parameters, ...
Current Harmonic Compensation in Dual Three-Phase Permanent Magnet Synchronous Machines
(Lappeenranta University of Technology, 2017-06-30)
Dual three-phase electric machines can bring significant benefits over conventional threephase
machines in many applications. Although increasing the phase number of the
electric machine can deliver significant advantages, ...
Novel process development in post-forming of an extruded wood plastic composite sheet
(Lappeenranta University of Technology, 2017-04-07)
The demand for the utilization of plastic waste has increased due to the tightening
environmental legislation and interest in material recycling. Wood plastic composites are
one possible way to recycle thermoplastic ...
Cognitive ambidexterity: Examination of the cognitive dimension in decision-making dualities
(Lappeenranta University of Technology, 2017-08-25)
This doctoral thesis addresses the cognitive dimension of the various dualities that
especially managers confront when making decisions. The study demonstrates how
similar decision-making situations can be perceived ...
Asiakaslähtöisyys ja monialainen yhteistyö oppilashuollossa: oppilashuoltoprosessi systeemisenä palvelukokonaisuutena
(Lappeenranta University of Technology, 2017-01-13)
Oppilashuollolla olisi virallisten periaatteiden mukaan toimiessaan suuret
mahdollisuudet ohjata ja tukea kypsyvää lasta ja hänen huoltajiaan tavoilla, jotka
johtavat niin yksilön, lähiyhteisön kuin yhteiskunnankin ...
Hot water extraction and membrane filtration processes in fractionation and recovery of value-added compounds from wood and plant residues
(Lappeenranta University of Technology, 2017-03-16)
The production of green chemicals and sustainable energy from renewable resources is gaining
global interest. Special attention is paid to the refining of biomass residues, e.g. forest and
agricultural wastes, into high ...
Development and application of coupled discrete and continuum models in solid particles classification
(Lappeenranta University of Technology, 2017-06-09)
Bulk solids handling play a critical role in modern industrial processes. Particulate classification
is one aspect of materials (bulk solids) handling, the aim of which is to distinguish
unique particles by virtue of ...