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Projects / Programmes source: ARIS

Dynamics of torrential flows.

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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 
P500  Natural sciences and mathematics  Geophysics, physical oceanography, meteorology 
Keywords
hydraulics, river dynamics, modelling, sediments, bed load, suspended load, river bed stability, hiding function, selective transport, abrasion, watercourses
Evaluation (rules)
source: COBISS
Evaluation of bibliographic research performance indicators according to ARIS methodology
Citations Citations for bibliographic records in COBIB.SI that are linked to records in citation databases
source: WoS source: Scopus source: COBISS
Researchers (4)
no. Code Name and surname Research area Role Period No. of publications
1.  08247  PhD Matjaž Četina  Hydrology  Researcher  1998 - 1999  590 
2.  18211  Mojca Escorza Spazzapan    Researcher  1998 - 1999  13 
3.  14111  PhD Mario Krzyk  Hydrology  Researcher  1998 - 1999  425 
4.  08245  PhD Matjaž Mikoš  Hydrology  Head  1998 - 1999  1,554 
Organisations (1)
no. Code Research organisation City Registration number No. of publications
1.  0792  University of Ljubljana, Faculty of Civil and Geodetic Engineering  Ljubljana  1626981  25,722 
Abstract
Project is dedicated to mathematical modelling of natural processes, specifically to development of an one-dimensional uncoupled model for fractional sediment transport computations in natural watercourses. The proposed use of the model will be for simulating sediment transport under laboratory conditions, as well as for computing sediment budgets at basin scale or for forecasting temporal evolution of natural watercourses. First step in the model development is the choice of the appropriate fractional sediment transport model. Second important step in the model development is the integration of the appropriate equations of fluvial abrasion. Third important step in the model development is the integration of appropriate equations of selective transport, using the Hirano''s principle of an exchange layer. In this part of the development, the main aim is to take into account different modes of sediment transport, and to develop new hiding functions, which will be adequate to use the model for very different sediment transport conditions (aggradation, degradation, combination of aggradation and degradation, bimodal sediment mixture of gravel and sand). The model development ends with the integration of an at least simple equation of interactions between turbulent flow and resting or moving sediment grains.
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