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- Title
Flow Modeling with Free Level in the Polycentric Channels.
- Authors
Mihail, Luca M.; Fabian, Tamasanu; Lucian, Luca M. Alexandru
- Abstract
The paper presents the modeling of free level flow phenomena in the polycentric riverbeds sections. The classical section of hydrotechnical galleries is modified in exploitation through phenomena of hydrodynamic erosion. The water movement in the gallery is formed of a succession of non-uniform movements gradually varied and rapidly varied, which differently influence the functional state and the hydrodynamic stability. The model answers the hydraulic requirements imposed to the adductions of the type of hydrotechnical galleries with free flow regime and affected by the phenomena of hydrodynamic erosion. The calculation model adopted considers a flow section formed of lines and circular curves. For the polycentric section specific to the case study analyzed, we determined the calculation relations of the hydraulic parameters. The mathematic model presented above was implemented in the computer program MATLAB Sect_Poli_Centr_Masurat.m. For determining the hydraulic parameters in the modified flow sections, we drew up two calculation programs in MATLAB for the uniform movement and the non-uniform movement.
- Subjects
HYDRODYNAMICS; FLUID dynamics; RIVER channels; HYDRAULICS; HYDRAULIC engineering; COMPUTER software; GALLERIES (Architecture)
- Publication
Ovidius University Annals, Series Civil Engineering, 2012, Issue 14, p155
- ISSN
1584-5990
- Publication type
Article