Projects / Programmes
Razvoj Robno Območne Integralske Metode za modeliranje turbulentnega toka v porozni snovi (Slovene)
| Code |
Science |
Field |
Subfield |
| 2.05.05 |
Engineering sciences and technologies |
Mechanics |
Fluid mechanics |
Researchers (1)
| no. |
Code |
Name and surname |
Research area |
Role |
Period |
No. of publicationsNo. of publications |
| 1. |
24347 |
PhD Janja Kramer Stajnko |
Mechanics |
Head |
2009 - 2011 |
179 |
Organisations (1)
Significance for science
Establishing of an efficient numerical tool, which enables a simulation of theoretical and practical engineering problems connected with transport phenomena in porous media is of key importance for development of science, mainly because these types of problems are poor investigated while the existing models are focused on simplified examples.
Improvement of the numerical algorithm, which basis on the boundary element method, enables a simulation of turbulent flow in porous materials. It is of key importance to obtain correct general mathematical model, which contains the volume and time averaged Navier-Stokes equations. As a turbulence model the macroscopic k-e model is adopted. The main part of the computational scheme is in use of velocity-vorticity formulation which separates the computational scheme in to two parts, namely kinematic and kinetic part.
The boundary element method was extended for simulation of fluid flow in porous media in three dimensions. The developed numerical algorithm was tested for several examples of convective motion for different geometries and boundary conditions. The results of test examples state the accuracy and efficiency of used numerical scheme, which can be presented as an efficient alternative to other worldwide more enforced approximation methods, which are built in several commercial programmes for fluid flow simulatioins. The obtained results will be used as the starting point for further development and extension of numerical tool in order to consider more complex problems of transport phenomena in porous media.
Significance for the country
Using an algorithm based on the boundary element method for solving the problem of turbulent flow and three-dimensional fluid flow in porous media means innovatory approach to handling problems of this type. For development of Slovenian science and industry are important efficient solutions of engineering problems as well as publishing and response of research results in the world. Problems of turbulent flow in porous media are at this moment of high importance, mainly because of important applications over several engineering fields. There is no similar research of this kind in Slovenia until this moment, while all existing studies, which are published in the literature are limited on use of simplified mathematical models and classical numerical methods e.g. finite volume method, finite element method, finite difference method.
In the past a large part of research work related to the developement of boundary element method was done in Slovenia, which encouraged the promotion of Slovenian science worldwide. Further development of research work in this area successfully increase the visibility of the country worldwide.
It is very important for Slovenian scientists to cooperate with research institutions worldwide. One part of the activities of the research project was done at the "Friedrich-Alexander-Universität Erlangen-Nürnberg" at the department "Lehstuhl für Strömungsmechanik, Erlangen", which enabled a cooperation and exchange of experiences with acknowledged researchers.
Most important scientific results
Annual report
2009,
2010,
final report,
complete report on dLib.si
Most important socioeconomically and culturally relevant results
Annual report
2009,
2010,
final report,
complete report on dLib.si
