Претраживање
Приказ резултата 61-70 од 75
Modelling of water regime in karst / Modeliranje vodnih režima u karstu
(Jugoslovensko društvo za odvodnjavanje i navodnjavanje, Beograd, 2005)
Underground flow regime in karst areas completely differs from flow in intergranular aquifers. Hydraulically, this flow can be better described as a system of reservoirs and pipes with flow under pressure and with free ...
An example of hydraulic controllability improvement in water treatment plant / Jedan primer poboljšanja hidrauličke upravljivosti sistema za prečišćavanje vode
(Jugoslovensko društvo za odvodnjavanje i navodnjavanje, Beograd, 2004)
Water treatment plant "Štrand" consists of 24 filtration fields placed in two filtering plants, "Old" and "New". Filtering plants are supplied with water from two aeration tanks by pressurized pipeline. Present state of ...
Water distribution system model calibration using genetic algorithm / Kalibracija matematičkih modela vodovodnih sistema primenom genetskog algoritma
(Jugoslovensko društvo za odvodnjavanje i navodnjavanje, Beograd, 2008)
Model calibration is an important step in the modelling of water distribution systems. Since calibration is a process of adjusting model parameters so that model results fit best the measured data, it becomes a complex ...
Uncertainties in flood frequency estimation by partial duration series / Neizvesnosti u analizi velikih voda metodom parcijalnih serija
(Jugoslovensko društvo za odvodnjavanje i navodnjavanje, Beograd, 2006)
In hydrologic practice, flood frequency analysis is usually based on fitting a theoretical distribution to observed data series. Flood frequency analysis in hydrologic practice is essentially based on fitting of a theoretical ...
Uporedna analiza rezultata dobijenih primenom ortogonalnih i neortogonalnih mreža u modelima prostornog tečenja – deo l / Comparative Analysis of the Results Obtained with 3D Orthogonal And Non-Orthogonal Grids in the 3D-Flow Models – Part 1
(Srpsko društvo za odvodnjavanje i navodnjavanje, 2006)
Razmatra se primena ortogonalnih i neortogonalnih mreža u modelima prostornog tečenja. Za analizu je izabrano rečno ušće, jer je na ušću tečenje izrazito prostorno, a korito ima složen oblik. Na kvalitet rezultata dobijenih ...
Method for water distribution systems reliability evaluation / Metod za određivanje pouzdanosti složenih vodoprivrednih sistema (NETREL)
(Jugoslovensko društvo za odvodnjavanje i navodnjavanje, Beograd, 2003)
New methodology for water resources systems reliability evaluation is presented. Proposed methodology considers both: mechanical reliability (probability of pipe failure) and reliability of hydraulic parameters in nodes ...
Ecologically guarantied discharge downstream from the hydropower plants / Garantovani protoci nizvodno od hidroelektrana
(JP Elektroprivreda Srbije, Beograd, 2007)
One of the very important decisions in planning a hydropower plant is to determine ecologically guarantied discharge that should be released from reservoir or downstream of the intake structures of derivation systems. On ...
Mathematical modelling of ecological processes in reservoirs of hydroenergetic systems / Modeliranje ekoloških procesa u akumulacijama hidroenergetskih sistema
(JP Elektroprivreda Srbije, Beograd, 2009)
Prediction of dynamic changes of water quality in lakes and reservoirs is very important from the aspects of planning and exploitation of hydroenergetic systems. That is the main reason for increasing development of ...
DEM-based GIS algorithms for automatic creation of hydrological models data
(Univerzitet u Kragujevcu - Fakultet inženjerskih nauka, Kragujevac, 2009)
In this paper the authors discuss the Digital Elevation Model (DEM) based GIS algorithms, applicable for automatic creation of input data needed by hydrological models. The expected source of DEM data are standard digital ...
Oblikovanje ulaza u zaliv primenom modela ravanskog i prostornog tečenja / Application of 2D and 3D modelling in bay entrance design
(Srpsko društvo za odvodnjavanje i navodnjavanje, 2007)
Najveći problem zaliva je zasipanje - prirodan proces koji se ne može izbeći. Visoki troškovi održavanja zaliva (bagerovanja mulja i čišćenja obala) nameću potrebu primene mera za smanjenje uvlačenja nanosa u zaliv. Budući ...