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Possibilities to identify engine combustion model parameters by analysis of the instantaneous crankshaft angular speed
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2014)
In this paper, novel method for obtaining information about combustion process in individual cylinders of a multi-cylinder spark ignition engine based on instantaneous crankshaft angular velocity is presented. The method ...
Numerical simulation of non-conventional liquid fuels feeding in a bubbling fluidized bed combustor
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2013)
The paper deals with the development of mathematical models for detailed simulation of lateral jet penetration into the fluidized bed, primarily from the aspect of feeding of gaseous and liquid fuels into fluidized bed ...
Comparative analyses of built environment exposures relevant to health of greenhouse gas emissions reduction strategies in Serbia
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2014)
Paper presents comparative analysis of residential indoor air pollutant concentration change over future specified time horizon, implementing building physical and thermal retrofit measures, thus creating pollution mitigation ...
Numerical analysis of thermal stresses in welded joint made of steels x20 and x22
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2014)
Stress calculation of steam pipeline is presented, focused on the welded joint. Numerical calculation was peiformed using the finite element method to obtain stress distribution in the welded joint made while replacing the ...
Triz method application for improving the special vehicles maintenance
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2014)
TRIZ methodology provides an opportunity for improving the classical engineering approach based on personal knowledge and experience. This paper presents the application of TRIZ methods for improving vehicle maintenance ...
Research of combustion in older generation spark-ignition engines in the condition of use leaded and unleaded petrol
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2014)
This paper analyzes the potential problems in the exploitation of the older generation of spark-ignition engines with higher octane number of petrol (unleaded petrol BMB 95) than required (leaded petrol MB 86). Within the ...
A neuro-fuzzy based combustion sensor for the control of optimal engine combustion efficiency
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2013)
Modern and advanced control systems for internal combustion engines require accurate feedback information from the combustion chamber. Whereas the in-cylinder pressure sensor provides this information through its close ...
Fracture mechanics analysis of damaged turbine rotor discs using finite element method
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2014)
This paper presents evaluation fracture mechanics parameters in low pressure turbine components. Critical locations such as keyway and dovetail area are experiencing stress concentration leading to crack initiation. Stress ...
Numerical aspects for efficient welding computational mechanics
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2014)
The effect of the residual stresses and strains is one of the most important parameter in the structure integrity assessment. A finite element model is constructed in order to simulate the multi passes mismatched submerged ...
Interfacial crack behavior in the stationary temperature field conditions
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2014)
The brittle coatings, made of different materials, when subjected to elevated temperatures and in the heat exchange conditions, are susceptible to delamination. Those coatings, as well as thin films, can be used for various ...