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Pikkukuva

Three-dimensional modeling of biomass fuel flow in a circulating fluidized bed furnace 

Nikku, Markku (Lappeenranta University of Technology, 2015-06-25)
The reduction of greenhouse gas emissions in the European Union promotes the combustion of biomass rather than fossil fuels in energy production. Circulating fluidized bed (CFB) combustion offers a simple, flexible and ...
Pikkukuva

Design and Simulation of High-Speed Rotating Electrical Machinery 

Kurvinen, Emil (Lappeenranta University of Technology, 2016-01-22)
Global energy consumption has been increasing yearly and a big portion of it is used in rotating electrical machineries. It is clear that in these machines energy should be used efficiently. In this dissertation the aim ...
Pikkukuva

AMB system for high-speed motors using automatic commissioning 

Smirnov, Alexander (Lappeenranta University of Technology, 2012-12-18)
The general trend towards increasing e ciency and energy density drives the industry to high-speed technologies. Active Magnetic Bearings (AMBs) are one of the technologies that allow contactless support of a rotating ...
Pikkukuva

Development of hydrometallurgical reactor leaching for recovery of zinc and gold 

Lampinen, Matti (Lappeenranta University of Technology, 2016-12-16)
Hydrometallurgical methods offer promising techniques for resolving the challenge of producing metals essential to modern life in an environmentally and economically sustainable manner. Leaching has a central role in ...
Pikkukuva

EDTA- and DTPA-functionalized silica gel and chitosan adsorbents for the removal of heavy metals from aqueous solutions 

Repo, Eveliina (Lappeenranta University of TechnologyLaboratory of Green Chemistry, 2011-08-05)
Adsorbents functionalized with chelating agents are effective in removal of heavy metals from aqueous solutions. Important properties of such adsorbents are high binding affinity as well as regenerability. In this study, ...
Pikkukuva

Fusion weld metal solidification:Continuum from weld interface to centerline 

Rajamäki, Pekka (Lappeenranta University of Technology, 2008-03-07)
We present a brief résumé of the history of solidification research and key factors affecting the solidification of fusion welds. There is a general agreement of the basic solidification theory, albeit differing - even ...
Pikkukuva

Broadband excitation in the system identification of active magnetic bearing rotor systems 

Hynynen, Katja (Lappeenranta University of Technology, 2011-11-04)
One of the targets of the climate and energy package of the European Union is to increase the energy efficiency in order to achieve a 20 percent reduction in primary energy use compared with the projected level by 2020. ...
Pikkukuva

Modeling of non-isothermalvapor membrane separation with thermodynamic models and generalized mass transfer equations 

Savolainen, Pekka (2002-05-30)
A rigorous unit operation model is developed for vapor membrane separation. The new model is able to describe temperature, pressure, and concentration dependent permeation as wellreal fluid effects in vapor and gas separation ...
Pikkukuva

Modeling and Parameter Estimation of Double-Star Permanent Magnet Synchronous Machines 

Kallio, Samuli (Lappeenranta University of Technology, 2014-03-05)
The power rating of wind turbines is constantly increasing; however, keeping the voltage rating at the low-voltage level results in high kilo-ampere currents. An alternative for increasing the power levels without raising ...
Pikkukuva

Applying the principles of life cycle assessment and costing in process modeling to examine profit-making capability 

Soukka, Risto (2007)
Static process simulation has traditionally been used to model complex processes for various purposes. However, the use of static processsimulators for the preparation of holistic examinations aiming at improving profit-making ...
Lappeenrannan teknillinen yliopisto
PL 20
53851 Lappeenranta
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Sisältötyyppifulltext (9)abstractOnly (1)Opinnäytteen tyyppiVäitöskirjaTekijäHynynen, Katja (1)Kallio, Samuli (1)Kurvinen, Emil (1)Lampinen, Matti (1)Nikku, Markku (1)Rajamäki, Pekka (1)Repo, Eveliina (1)Savolainen, Pekka (1)Smirnov, Alexander (1)Soukka, Risto (1)Avainsana
modeling (10)
active magnetic bearings (2)diffusion (2)simulation (2)active magnetic bearing (1)adsorption isotherm (1)adsorption kinetics (1)automatic commissioning (1)biomass (1)broadband excitation (1)... Katso lisääJulkaisuaika2010 - 2016 (7)2002 - 2009 (3)
Lappeenrannan teknillinen yliopisto
PL 20
53851 Lappeenranta
Ota yhteyttä | Lähetä palautetta