Volume 3 nr 1 / 2011 - Academia Oamenilor de Stiinta din Romania

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88 Lorand Catalin Stoenescu5.3. Numerical calculationThe numerical calculations were done with HYDRO_AS-2D computer program(Prof.PhD. Marinko Nujic, Germany).The program uses a equations system derived from the basis Barre de SaintVenant equations for non-permanent water flow in open channels. In 1999Prof. Ph.D. Marinko Nujic write a compact form of those equations that can easilybe utilized by the program:wherewithH = h + z – water level above the reference level;u, v – velocity in x and y directions;S f – contains the terms for roughness;Copyright © Editura Academiei Oamenilor de Știință din România, 2011Watermark Protected
Two-dimensional Modelling of Accidental Flood Wave Propagation 89S bx , S by – bed slope on x and y directions, n – Manning coefficient, g – gravity andD – hydraulic diameter = 4r.The results are written in a number of folders and presents: water level, watervelocity and discharge for each point of the mesh. With these values, otherparameters can be calculated: Froude number, shear stress etc.5.4. Post-processingAfter numerical calculation, the results can be imported in SMS. Thus, theflooded surface can be presented and the water depth can be determined. Layerswith these parameters at each time step can be exported in GIS programs, this waythe structural or non-structural decisions can be easily made.For Poiana Uzului dam brake scenarios, flood wave propagation times weredetermined. Tabels 1 and 2 contains this parameters for four localitiesdownstream the dam. Figures 17, 18, 19 and 20 shows the propagation wave atcertain time steps for scenario 1.Table 1. Propagation times if scenario 1 takes place.Localitatea Distanţa faţă de baraj Timpul de propagareSălătruc 2 km 10 minDărmăneşti 6 km 30 minDofteana 11 km 70 minTârgu Ocna 25 km 105 minTable 2. Propagation times if scenario 2 takes place.Localitatea Distanţa faţă de baraj Timpul de propagareSălătruc 2 km 40 minDărmăneşti 6 km 50 minDofteana 11 km 100 minTârgu Ocna 25 km 130 minCopyright © Editura Academiei Oamenilor de Știință din România, 2011Watermark Protected
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3FOREWORDBased on a rich scientific
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Annals of the Academy of Romanian S
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The remanufacturing of an articulat
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Influence of Vibrations and Dynamic
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Products recovery opportunities at
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Products recovery opportunities at
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Recycling and Remanufacturing -Two
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Recycling and Remanufacturing -Two
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Page 39 and 40: The Study of Heavy Metal from Envir
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Page 47 and 48: ConclusionsThe Study of Heavy Metal
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Page 55 and 56: Y d Notations:Analytical Evaluation
Page 63 and 64: General Considerations Regardingthe
Page 71 and 72: Intelligent Networks, Smart Grids C
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Page 103 and 104: ConclusionsProject Indicators -Esse
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Volume 3 nr 1 / 2011 - Academia Oamenilor de Stiinta din Romania

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