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Projects / Programmes source: ARIS

The improvement and calibration of mathematical models simulating processes in the aquatic environment and in the air

Research activity

Code Science Field Subfield
2.20.00  Engineering sciences and technologies  Hydrology   

Code Science Field
T220  Technological sciences  Civil engineering, hydraulic engineering, offshore technology, soil mechanics 
T270  Technological sciences  Environmental technology, pollution control 
Keywords
Mathematical modelling, 2D and 3D models, numerical methods, turbulence models, transport of pollutants, artifical intelligence, Geographic information systems (GIS)
Evaluation (rules)
source: COBISS
Researchers (9)
no. Code Name and surname Research area Role Period No. of publicationsNo. of publications
1.  19443  PhD Nataša Atanasova  Hydrology  Researcher  1999  261 
2.  08247  PhD Matjaž Četina  Hydrology  Researcher  1997 - 1999  590 
3.  08245  PhD Matjaž Mikoš  Hydrology  Researcher  1999  1,554 
4.  09399  PhD Jože Panjan  Civil engineering  Researcher  1999  1,133 
5.  00112  PhD Rudolf Rajar  Civil engineering  Head  1999  366 
6.  11277  PhD Andrej Širca  Civil engineering  Researcher  1999  276 
7.  16258  PhD Mojca Šraj  Hydrology  Researcher  1998 - 1999  754 
8.  09272  Majda Zakrajšek  Hydrology  Researcher  1999  79 
9.  12068  PhD Dušan Žagar  Mechanics  Researcher  1999  770 
Organisations (1)
no. Code Research organisation City Registration number No. of publicationsNo. of publications
1.  0792  University of Ljubljana, Faculty of Civil and Geodetic Engineering  Ljubljana  1626981  25,723 
Abstract
The main goal of the project is improvement and further development of conceptual mathematical models, especially two-dimensional (2D) and three-dimensional models simulating processes in the aquatic environment and in the air. The implementation of a curvilinear grid has several benefits: the numerical mesh can be better fitted to irregular boundaries of the flow domain and as a consequence the computational time can be significantly reduced while the accuracy is increased. Some up to date numerical methods and turbulence closure models in the vertical direction were also tested. New boundary conditions describing heat exchange at the water surface of stratified lakes and reservoirs were introduced, which enables to simulate phenomena of thermal pollution. Field measurements of hydrodynamic circulation and tracer dispersion in the Bohinj Lake and laboratory experiments were performed and analysed in order to calibrate and verify mathematical models. Practical aplications of the model were in Slovenia (thermal pollution of the Sava River) as internationally (Mexico, French Polynesia).
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