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Original Title

Tehnolosko-ekonomska analiza mesta i uloge nuklearne energetike u elektroenergetici Jugoslavije

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Dec 1974; 144 p

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[en] All electrical demand analyses made in the last years show that besides hydro and thermal power plants in further development of electric power supply system in Yugoslavia, it will be necessary to approach successively with implementation of nuclear power plants. Quite a number of scientific and professional analyses have been done with the purpose to make the necessary conditions for the construction of nuclear power plants in the future. By reason of extra complexity and the necessity of the large amount of investment, it was concluded that the implementation, of nuclear energy in Yugoslavia has to be planned on uniform policy in development and uniform technological-technical concept. In the paper all till now finished activities in implementation of nuclear power plants in energy sector in Yugoslavia as well as planned future activities have been described. (author)

Original Title

Razvoj i primenjivanje nuklearne energije u energetici Jugoslavije

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1986; 7 p; Society for Electronics,Telecommunications, Automation, and Nuclear Engineering; Belgrade (Yugoslavia); 30. Conference - ETAN'86: Society for Electronics, Telecommunications, Automation, and Nuclear Engineering; 30. Konferencija za ETAN; Herceg Novi (Yugoslavia); 2-6 Jun 1986; Also available from the Institute of Nuclear Sciences VINCA; 1 fig.

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[en] Nuclear power plant Krsko from 1982, produces the power which is very useful for the electric power system of the country. At the same time, the investors of the nuclear power plants from republics and autonomous provinces of Yugoslavia have organized the construction of series of nuclear power plants up to 2000. The purpose of this report is to explain those activities which have initiated the process of development and the use of energy for the power in Yugoslavia, and to continue the attempts to place the near future to the progress of this process. The base of these efforts has to be solving the very problem of decision making regarding the best solution of nuclear fuel cycle, the type of nuclear power plants in Yugoslavia and their construction. (author)

Original Title

Napredovanje razvoja i primenjivanja nuklearne energije u energetici Jugoslavije

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1984; 16 p; Society for Electronics,Telecommunications, Automation, and Nuclear Engineering; Belgrade (Yugoslavia); 28. Conference - ETAN '84: Consulting Meeting on Introducing nuclear power in Yugoslavia; Zbornik radova 28. Konferencija za ETAN, Savetovanje - aktivnosti na uvodjenju nuklearne nergije u Jugoslaviji, VI sveska; Split (Yugoslavia); 4-8 Jun 1984; Also available from the Institute of Nuclear Sciences VINCA

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Stojiljković, D; Šćepanović, J R; Vrhovac, S B; Švrakić, N M, E-mail: vrhovac@ipb.ac.rs

AbstractAbstract

[en] The random sequential adsorption (RSA) approach is used to analyze adsorption of spherical particles of a fixed radius on nonuniform flat surfaces covered by rectangular cells. The configuration of the cells (heterogeneities) was produced by performing RSA simulations to a prescribed coverage fraction ${\theta}_{0}^{(\mathrm{c}\mathrm{e}\mathrm{l}\mathrm{l})}$. Adsorption was assumed to occur if the particle (projected) center lies within a rectangular cell area, i.e. if sphere touches the cells. The jammed-state properties of the model were studied for different values of cell size

*α*(comparable with the adsorbing particle size) and density ${\theta}_{0}^{(\mathrm{c}\mathrm{e}\mathrm{l}\mathrm{l})}$. Numerical simulations were carried out to investigate adsorption kinetics, jamming coverage, and structure of coverings. Structural properties of the jammed-state coverings were analyzed in terms of the radial distribution function*g*(*r*) and distribution of the Delaunay ‘free’ volumes*P*(*v*). It was demonstrated that adsorption kinetics and the jamming coverage decreased significantly, at a fixed density ${\theta}_{0}^{(\mathrm{c}\mathrm{e}\mathrm{l}\mathrm{l})}$, when the cell size*α*increased. The predictions following from our calculation suggest that the porosity (pore volumes) of deposited monolayer can be controlled by the size and shape of landing cells, and by anisotropy of the cell deposition procedure. (paper)Source

Available from http://dx.doi.org/10.1088/1742-5468/2015/06/P06032; Country of input: International Atomic Energy Agency (IAEA)

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Journal of Statistical Mechanics; ISSN 1742-5468; ; v. 2015(6); [23 p.]

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[en] In this paper we have presented two applications of Momentum Transfer Theory (MTT), which were both aimed at obtaining reliable data for modeling of non-equilibrium plasma. Transport properties of ion swarms in presence of Resonant Charge Transfer (RCT) collisions are studied using Momentum Transfer Theory (MTT). Using the developed MTT we tested a previously available anisotropic set of cross-sections for Ar++Ar collisions bay making the comparisons with the available data for the transverse diffusion coefficient. We also developed an anisotropic set of Ne++Ne integral cross-sections based on the available data for mobility, longitudinal and transverse diffusion. Anisotropic sets of cross-sections are needed for Monte Carlo simulations of ion transport and plasma models. Application of Blanc's Law for drift velocities of electrons and ions in gas mixtures at arbitrary reduced electric field strengths E/n0 was studied theoretically and by numerical examples. Corrections for Blanc's Law that include effects of inelastic collisions were derived. In addition we have derived the common mean energy procedure that was proposed by Chiflikian in a general case both for ions and electrons. Both corrected common E/n0 and common mean energy procedures provide excellent results even for electrons at moderate E/n0 where application of Blanc's Law was regarded as impossible. In mixtures of two gases that have negative differential conductivity (NDC) even when neither of the two pure gases show NDC the Blanc's Law procedure was able to give excellent predictions

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22. summer school and international symposium on the physics of ionized gases; Bajina Basta (Serbia and Montenegro); 23-27 Aug 2004; (c) 2004 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA)

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ANISOTROPY, ARGON, ARGON IONS, COMPARATIVE EVALUATIONS, COMPUTERIZED SIMULATION, DIFFUSION, ELECTRIC FIELDS, ELECTRONS, INTEGRAL CROSS SECTIONS, ION-MOLECULE COLLISIONS, MIXTURES, MOBILITY, MOMENTUM TRANSFER, MONTE CARLO METHOD, NEON, NON-EQUILIBRIUM PLASMA, PLASMA SIMULATION, RADIATION TRANSPORT, USES

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AbstractAbstract

[en] Random sequential adsorption (RSA) on a triangular lattice with defects is studied by Monte Carlo simulations. The lattice is initially randomly covered by point-like impurities at a certain concentration

*p*. The deposited objects are formed by self-avoiding random walks on the lattice. Jamming coverage ${\theta}_{\text{jam}}$ and percolation threshold ${\theta}_{\text{p}}^{\ast}$ are determined for a wide range of impurity concentrations*p*for various object shapes. Rapidity of the approach to the jamming state is found to be independent on the impurity concentration. The jamming coverage ${\theta}_{\text{jam}}$ decreases with the impurity concentration*p*and this decrease is more prominent for objects of larger size. For a certain defect concentration, decrease of the jamming coverage with the length of the walk $\ell $ making the object is found to obey an exponential law, ${\theta}_{\text{jam}}={\theta}_{0}+{\theta}_{1}{\text{e}}^{-\ell /r}$. The results for RSA of polydisperse mixtures of objects of various sizes suggest that, in the presence of impurities, partial jamming coverage of small objects can have even larger values than in the case of an ideal lattice. Percolation in the presence of impurities is also studied and it is found that the percolation threshold ${\theta}_{\text{p}}^{\ast}$ is practically insensitive to the concentration of point defects*p*. Percolation can be reached at highest impurity concentrations with angled objects, and the critical defect concentration*p*_{c}is lowest for the most compact objects. (paper: quantum statistical physics, condensed matter, integrable systems)Primary Subject

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Available from http://dx.doi.org/10.1088/1742-5468/2016/05/053101; Country of input: International Atomic Energy Agency (IAEA)

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Journal of Statistical Mechanics; ISSN 1742-5468; ; v. 2016(5); [20 p.]

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Lončarević, I; Budinski-Petković, Lj; Vrhovac, S B; Belić, A, E-mail: ivanalon@uns.ac.rs, E-mail: ljupka@uns.ac.rs, E-mail: vrhovac@ipb.ac.rs, E-mail: abelic@ipb.ac.rs

AbstractAbstract

[en] Generalized random sequential adsorption (RSA) of polydisperse mixtures of k-mers on a one-dimensional lattice is studied numerically by means of Monte Carlo simulations. The kinetics of the deposition process of mixtures is studied for the irreversible case, for adsorption–desorption processes and for the case where adsorption, desorption and diffusion are present simultaneously. We concentrate here on the influence of the number of mixture components and the length of the k-mers making up the mixture on the temporal behavior of the coverage fraction θ(t). The approach of the coverage θ(t) to the jamming limit θ

_{jam}in the case of irreversible RSA is found to be exponential, θ_{jam}-θ(t)∝ exp(-t/σ), not only for a whole mixture, but also for the individual components. For the reversible deposition of polydisperse mixtures, we find that after the initial 'jamming', a stretched exponential growth of the coverage θ(t) towards the equilibrium state value θ_{eq}occurs, i.e., θ_{eq}-θ(t)∝ exp[-(t/τ)^{β}]. The characteristic timescale τ is found to decrease with the desorption probability P_{des}. When adsorption, desorption and diffusion occur simultaneously, the coverage of a mixture always reaches an equilibrium value θ_{eq}, but there is a significant difference in temporal evolution between the coverage with diffusion and that withoutPrimary Subject

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S1742-5468(10)45541-7; Available from http://dx.doi.org/10.1088/1742-5468/2010/02/P02022; Country of input: International Atomic Energy Agency (IAEA)

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Journal of Statistical Mechanics; ISSN 1742-5468; ; v. 2010(02); [19 p.]

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Lončarević, I; Budinski-Petković, Lj; Dujak, D; Karač, A; Jakšić, Z M; Vrhovac, S B, E-mail: vrhovac@ipb.ac.rs

AbstractAbstract

[en] In the preceding paper, Budinski-Petković

*et al*(2016*J. Stat. Mech*. 053101) studied jamming and percolation aspects of random sequential adsorption of extended shapes onto a triangular lattice initially covered with point-like impurities at various concentrations. Here we extend this analysis to needle-like impurities of various lengths $\ell $. For a wide range of impurity concentrations*p*, percolation threshold ${\theta}_{\mathrm{p}}^{\ast}$ is determined for*k*-mers, angled objects and triangles of two different sizes. For sufficiently large impurities, percolation threshold ${\theta}_{p}^{\ast}$ of all examined objects increases with concentration*p*, and this increase is more prominent for impurities of a larger length $\ell $. We determine the critical concentrations of defects ${p}_{c}^{\ast}$ above which it is not possible to achieve percolation for a given object, for impurities of various lengths $\ell $. It is found that the critical concentration ${p}_{c}^{\ast}$ of finite-size impurities decreases with the length $\ell $ of impurities. In the case of deposition of larger objects an exception occurs for point-like impurities when critical concentration ${p}_{c}^{\ast}$ of monomers is lower than ${p}_{c}^{\ast}$ for the dimer impurities. At relatively low concentrations*p*, the presence of small impurities (but not point-like) stimulates the percolation for larger depositing objects. (paper: classical statistical mechanics, equilibrium and non-equilibrium)Primary Subject

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Available from http://dx.doi.org/10.1088/1742-5468/aa82c0; Country of input: International Atomic Energy Agency (IAEA)

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Journal of Statistical Mechanics; ISSN 1742-5468; ; v. 2017(9); [20 p.]

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