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CFD simulation of complex phenomena containing suspensions and flow throughporous media
(Lappeenranta University of Technology, 2008-12-19)
There is an increasing reliance on computers to solve complex engineering problems. This is because computers, in addition to supporting the development and implementation of adequate and clear models, can especially ...
Power line communication in motor cables of variable-speed electric drives − analysis and
(Lappeenranta University of Technology, 2008-10-31)
Data transmission between an electric motor and a frequency converter is required in variablespeed electric drives because of sensors installed at the motor. Sensor information can be used for various useful applications ...
Enhancing the efficiency of freight transport by using simulation
(Lappeenranta University of Technology, 2009-06-17)
The role of transport in the economy is twofold. As a sector of economic activity it contributes to a share of national income. On the other hand, improvements in transport infrastructure create room for accelerated economic ...
Toiminnan laadun parantaminen organisaation itsearvioinnilla – tutkimus Suomen puolustusvoimien tulosyksiköissä
(Maasotakoulu. Army Academy, 2007-10-11)
Laajoilla kyselylomaketutkimuksilla on tutkittu organisaation itsearvioinnin käyttöönoton motiiveja, käyttöä ja käytön hyötyjä 1990-luvulla ja 2000-luvun alussa. Organisaation itsearviointia on myös tutkittu laatupalkintomallien ...
Modeling the transport phenomena within arterial wall: porous media approach
(Lappeenranta University of Technology, 2008-10-03)
The transport of macromolecules, such as low-density lipoprotein (LDL), and their accumulation in the layers of the arterial wall play a critical role in the creation and development of atherosclerosis. Atherosclerosis is ...
The use of future-oriented knowledge in regional innovation processes: Research on knowledge generation, transfer and conversion
(Lappeenranta University of Technology, 2008-10-31)
The importance of the regional level in research has risen in the last few decades and a vast literature in the fields of, for instance, evolutionary and institutional economics, network theories, innovations and learning ...
In Search of Corporate Renewal: How to Benefit from Corporate Venturing?
(2007-12-18)
Despite the rapid change in today's business environment there are relatively few studies about corporate renewal. This study aims for its part at filling that research gap by studying the concepts of strategy, corporate ...
Studies on coordination of systems development process
(2005-08-12)
This thesis examines coordination of systems development process in a contemporary software producing organization. The thesis consists of a series of empirical studies in which the actions, conceptions and artifacts of ...
Direct-on-line axial flux permanent magnet synchronous generator static and dynamic performance
(2007-11-27)
In distributed energy production, permanent magnet synchronous generators (PMSG) are often connected to the grid via frequency converters, such as voltage source line converters. The price of the converter may constitute ...
Automated formulation of optimisation models for steel beam structures
(2002-12-13)
Over 70% of the total costs of an end product are consequences of decisions that are made during the design process. A search for optimal cross-sections will often have only a marginal effect on the amount of material used ...