Projects / Programmes source: ARIS

Modeliranje dvofaznega toka med prehodnimi pojavi (Slovene)

Research activity

Code Science Field Subfield
2.13.04  Engineering sciences and technologies  Process engineering  Industrial hazard 

Code Science Field
T160  Technological sciences  Nuclear engineering and technology 
T200  Technological sciences  Thermal engineering, applied thermodynamics 
two-phase flow, mathematical models, transients, simulations, accidents, safety
Evaluation (rules)
source: COBISS
Researchers (5)
no. Code Name and surname Research area Role Period No. of publicationsNo. of publications
1.  05570  PhD Ivo Kljenak  Energy engineering  Researcher  1998 - 2001  466 
2.  02852  PhD Borut Mavko  Energy engineering  Researcher  1999 - 2001  930 
3.  06631  PhD Iztok Parzer  Energy engineering  Researcher  2000 - 2001  194 
4.  05101  PhD Stojan Petelin  Traffic systems  Head  1998 - 2001  650 
5.  12057  PhD Iztok Tiselj  Energy engineering  Researcher  1998 - 2001  465 
Organisations (1)
no. Code Research organisation City Registration number No. of publicationsNo. of publications
1.  0106  Jožef Stefan Institute  Ljubljana  5051606000  89,961 
The purpose of the research project is to investigate two-phase flows that could appear during accidents in the process and energy systems. Investigations will be focused on the following topics: - Analyses of the results of the tests performed on BETHSY integral experimental facility. These tests represent a diminished coolability of exothermal system due to loss of coolant and ensure the cooling with two-phase natural circulation. With improvement of the two-fluid flow models and methods for the two-phase flow modeling a good agreement of our calculations with experimental data is expected; - Improvements of the existing one-dimensional two-fluid models of two-phase flow in the region of fast transients where the characteristic time scale is determined by the sonic velocity. The use of a more accurate numerical scheme will enable more detailed analysis of the correlations that are crucial for fast transients.
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