In development of automotive headlamps the heat transfer and cooling of a lamp is an important design feature. A numerical model was developed, which based on heat convection, conduction and radiation with included spectral bands, enables an accurate prediction of thermal conditions in the complex automotive lamp system.
F.17 Transfer of existing technologies, know-how, methods and procedures into practice
COBISS.SI-ID: 16499478Modern waste – to – energy plants do not compete against other waste processing techniques but complement the waste treatment hierarchy and enable the fulfillment of European strategy on complete utilization of waste. The process comes into place after reuse and material recycle as the utilization of energy in waste. The waste combustion and flue gas treatment of these modern plants is process optimized and ensures lowest pollution levels among all combustion plants.
F.23 Development of new system-wide, normative and programme solutions, and methods
COBISS.SI-ID: 15993878Professional telecast, which is entirely devoted to presenting a selected author and his work. In this show Matej Zadravec present research work in the field of computational fluid dynamics by showing examples of numerical simulations of water turbines. This work presents a comparison of two methods of numerical simulation of Darrieus water turbine with emphasis on the suitability of the new method using the model of a rigid body model (6DOF). This allows the fluid flow driven turbine simulation.
B.06 Other
COBISS.SI-ID: 16500246Most numerical simulations about aortic valve are discussing about the blood flow through prosthetic valves, therefore this study covers a biological aortic valve. In this paper the simulation of blood flow around the regurgitated valve as well as around the health valve have been investigated and is showing how the regurgitation affects the heart function and coronary blood flow. Furthermore it also covers the coronary blood flow and its affect on the blood motion around the valve and consequently on the possible calcification. The physical problem has been treated for the period of closed valve, because of the regurgitation, which occurs at that time. For this restriction the assumption of non-elastic geometry has been used. Also the non-Newtonian Power Law model for the blood rheology has been used; because of the regions of slowly moving blood. Results are showing that the coronary blood flow does not have a high impact on the blood motion and thus the calcification is more probable as well that the regurgitation has a strong affect on the heart function, like aortic pressure drop, increased left ventricle volume, etc. The calcification reason has also been stated, but needs some further investigation. This paper covers in detail the geometry of computational domain and physics, so the results can be easily repeated.
F.15 Development of a new information system/databases
COBISS.SI-ID: 16068118The paper presents the improvement of steady state numerical results by transient simulations with SAS SST and ZLES turbulence models
F.02 Acquisition of new scientific knowledge
COBISS.SI-ID: 26520359