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Pikkukuva

Development of a process for the direct synthesis of hydrogen peroxide in a novel microstructured reactor 

Ratchananusorn, Warin (Lappeenranta University of Technology, 2013-11-29)
Microreactors have proven to be versatile tools for process intensification. Over recent decades, they have increasingly been used for product and process development in chemical industries. Enhanced heat and mass transfer ...
Pikkukuva

Computational and Experimental Analysis of Flow Field in the Diffusers of Centrifugal Compressors 

Turunen-Saaresti, Teemu (2004-11-26)
Centrifugal compressors are widely used for example in process industry, oil and gas industry, in small gas turbines and turbochargers. In order to achieve lower consumption of energy and operation costs the efficiency of ...
Pikkukuva

Modeling the transport phenomena within arterial wall: porous media approach 

Dabaghmeshin, Mahsa (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 ...
Pikkukuva

Performance Improvement of Centrifugal Compressor Stage with Pinched Geometry or Vaned Diffuser 

Jaatinen, Ahti (Lappeenranta University of Technology, 2009-10-01)
Centrifugal compressors are widely used for example in refrigeration processes, the oil and gas industry, superchargers, and waste water treatment. In this work, five different vaneless diffusers and six different vaned ...
Pikkukuva

Application and development of numerical methods for the modelling of innovative gas cooled fission reactors 

Suikkanen, Heikki (Lappeenranta University of Technology, 2014-12-05)
Innovative gas cooled reactors, such as the pebble bed reactor (PBR) and the gas cooled fast reactor (GFR) offer higher efficiency and new application areas for nuclear energy. Numerical methods were applied and developed ...
Pikkukuva

Analysis and validation of space averaged drag model for numerical simulations of gas-solid flows in fluidized beds 

Shah, Srujal (Lappeenranta University of Technology, 2012-12-13)
This thesis presents an approach for formulating and validating a space averaged drag model for coarse mesh simulations of gas-solid flows in fluidized beds using the two-fluid model. Proper modeling for fluid dynamics ...
Pikkukuva

Computational Analysis and Optimization of Real Gas Flow In Small Centrifugal Compressors 

Tang, Jin (2006-12-12)
Small centrifugal compressors are more and more widely used in many industrialsystems because of their higher efficiency and better off-design performance comparing to piston and scroll compressors as while as higher work ...
Pikkukuva

Hydrodynamics and mass transfer in airlift bioreactors: experimental and numerical simulation analysis 

Han, Mei (Lappeenranta University of Technology, 2017-12-19)
Airlift bioreactors are widely used in industrial applications such as wastewater treatment, gas decontamination and other biochemical processes, and such systems have generated increasing academic and industrial interest. ...
Pikkukuva

Experimental and Numerical Analysis of Different Volutes in a Centrifugal Compressor 

Reunanen, Arttu (2001-12-12)
In a centrifugal compressor the flow around the diffuser is collected and led to the pipe system by a spiral-shaped volute. In this study a single-stage centrifugal compressor with three different volutes is investigated. ...
Pikkukuva

Computational modeling of stented coronary arteries 

Hajiali, Zuned (Lappeenranta University of Technology, 2014-11-26)
The application of computational fluid dynamics (CFD) and finite element analysis (FEA) has been growing rapidly in the various fields of science and technology. One of the areas of interest is in biomedical engineering. ...
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Lappeenrannan teknillinen yliopisto
PL 20
53851 Lappeenranta
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Sisältötyyppifulltext (10)abstractOnly (1)Opinnäytteen tyyppiVäitöskirjaTekijäDabaghmeshin, Mahsa (1)Hajiali, Zuned (1)Han, Mei (1)Jaatinen, Ahti (1)Ratchananusorn, Warin (1)Reunanen, Arttu (1)Shah, Srujal (1)Suikkanen, Heikki (1)Tang, Jin (1)Turunen-Saaresti, Teemu (1)... Katso lisääAvainsana
computational fluid dynamics (11)
centrifugal compressor (3)diffuser (3)pinch (3)atherosclerosis (2)hydrodynamics (2)low solidity vane (2)mass transfer (2)airlift bioreactor (1)arterial wall (1)... Katso lisääJulkaisuaika2010 - 2017 (5)2001 - 2009 (6)
Lappeenrannan teknillinen yliopisto
PL 20
53851 Lappeenranta
Ota yhteyttä | Lähetä palautetta