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Приказ резултата 21-30 од 72
Analysis of cascaded hydropower system control in Simulink / Analiza upravljanja kaskadnim HES pomoću Simulinka
(Jugoslovensko društvo za odvodnjavanje i navodnjavanje, Beograd, 2015)
Hydropower Systems (HES) fall into the 'green' and renewable energy sources. Unfortunately, most of the quality sites are either already occupied or have significant physical limitations, so lately, utilization of the less ...
Structural analysis of Jelezovac dam stepped spillway with baffle / Statička analiza stepenastog preliva sa odbojnom gredom na pregradi Jelezovac
(Jugoslovensko društvo za odvodnjavanje i navodnjavanje, Beograd, 2010)
The concrete gravity dam spillway on the Jelezovac stream is presented. The overflow section of the dam is an original structure, designed as a stepped spillway, with bottom outlets and the modified USBR VI stilling basin ...
SPH method / Rešavanje jednačina kretanja fluida metodom zasnovanom na praćenju fluidnih delića (SPH metoda)
(Jugoslovensko društvo za odvodnjavanje i navodnjavanje, Beograd, 2014)
The SPH (Smoothed Particle Hydrodynamics) method for solving fluid dynamics equations is presented in this paper. The main aim of this paper is to present theoretical aspects of the method which is used in numerical modelling ...
Supercritical flow in circular-conduit bends / Burno tečenje u krivini provodnika kružnog poprečnog preseka
(Jugoslovensko društvo za odvodnjavanje i navodnjavanje, Beograd, 2013)
Complex flow pattern occurring in a circular conduit bend with supercritical flow is analyzed. The research was done by a scale (physical hydraulic) model, and a numerical model developed in ANSYS (Fluent) surrounding. The ...
Analytical models of confluences: A survey and models' assessment / Pregled i ocena analitičkih modela ušća
(Jugoslovensko društvo za odvodnjavanje i navodnjavanje, Beograd, 2011)
Assumptions upon which development of 1D models of free-surface flow rest are not valid at open-channel junctions. Thus, the 1D flow equations cannot be used for calculation of upstream flow depths, or water levels in a ...
Marginal distributions of daily precipitation in Serbia / Marginalne raspodele kumulativnih dnevnih padavina na prostoru Srbije
(Jugoslovensko društvo za odvodnjavanje i navodnjavanje, Beograd, 2010)
This paper presents a part of results of the continuous efforts of the authors to promote, improve and popularize structural analyses of daily hydrological and meteorological series, first introduced by professor Vujica ...
Near real time data assimilation of numerical simulation model for Danube river from Novi Sad to Iron Gate I: Test results / Asimilacija računskog modela Dunava od Novog Sada do HE "Đerdap 1" u približno realnom vremenu - rezultati testiranja
(Jugoslovensko društvo za odvodnjavanje i navodnjavanje, Beograd, 2017)
In this paper, a novel data assimilation method for operational reservoir management on the Danube river section between Novi Sad and Iron Gate I is presented. The proposed data assimilation method allows discharges of ...
Water quality impact assessment of the River Ibar hydropower system / Analiza uticaja izgradnje sistema HE na Ibru na kvalitet vode
(Jugoslovensko društvo za odvodnjavanje i navodnjavanje, Beograd, 2014)
Water quality impact assessment of the River Ibar hydropower cascade project is analyzed in this paper, as one of possible aspects of environmental impact assessment. Based on available data provided by authorized institutions, ...
Optimization of pressurized pipe networks modelled with ΔQ method / Optimizacija mreža pod pritiskom modeliranih ΔQ metodom
(Jugoslovensko društvo za odvodnjavanje i navodnjavanje, Beograd, 2013)
Efficiency of optimization of water networks in terms of expenditure of computer running time depends on the speed of the hydraulic calculations. In this paper use of the ΔQ method for network calculation, was tested on ...
Expert system for operational planning and implementation flood control / Ekspertni sistemi za planiranje i operativno sprovođenje odbrane od poplava
(Jugoslovensko društvo za odvodnjavanje i navodnjavanje, Beograd, 2015)
In the Theory of reliability there is well known fact: in the control chain of decision-making and management the least reliable link is - man. It is particularly evident in emergency situations, when one need to make a ...