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Experimental and Numerical Analysis of Different Volutes in a Centrifugal Compressor
(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. ...
Computational modeling of stented coronary arteries
(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. ...
Advances in Optimal Design of Shapes and Processes by Computational Fluid Dynamics
(Lappeenranta-Lahti University of Technology LUT, 2023-10-09)
In many engineering applications, it is desirable to design objects which display good performance characteristics when interfacing with fluid flow, either internal or external to the objects. For example, an aircraft wing ...
Atmospheric boundary-layer characteristics and their significance in wind energy and urban air quality assessment
(Lappeenranta-Lahti University of Technology LUT, 2023-11-03)
The study of the Atmospheric Boundary-Layer (ABL) flow is growing rapidly, owing to its crucial role in promoting environmental sustainability and facilitating renewable energy development. The significance of ABL modeling ...
Development of a process for the direct synthesis of hydrogen peroxide in a novel microstructured reactor
(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 ...
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 ...
Computational and Experimental Analysis of Flow Field in the Diffusers of Centrifugal Compressors
(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 ...
Application and development of numerical methods for the modelling of innovative gas cooled fission reactors
(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 ...
Hydrodynamics and mass transfer in airlift bioreactors: experimental and numerical simulation analysis
(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. ...
Performance Improvement of Centrifugal Compressor Stage with Pinched Geometry or Vaned Diffuser
(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 ...