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DISTRIBUTION OF FLOWS IN A CHANNEL NETWORK UNDER STEADY FLOW CONDITIONS

Abstract

The article presents an algorithm for calculating the distribution of flow in a junction of open channel network under steady flow conditions. The article presents a simplified calculation algorithm used to estimate the distribution of flow in a network of channels under steady flow conditions. The presented algorithm is based on the continuity equation and a simplified energy equation. To describe the relationship between the depth of water and the flow rate, the Manning’s equation was used to express discharge in the main channel, whereas in case of other channels, with hydraulic structures, appropriate equations describing the flow over a weir and through the culverts were used. Substitution of the abovementioned relationships with the continuity equation leads to a non-linear algebraic equation with respect to the water level. The resulting equation can be solved with iterative numerical methods. Calculation example using the proposed algorithm was carried out for the hydraulic system located on the Strzyża stream in Gdańsk. The presented approach can be an alternative to analytical-graphic method and it does not require formulation of the boundary problem for the

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DOI:
Digital Object Identifier (open in new tab) 10.15576/ASP.FC/2019.18.1.27
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Details

Category:
Articles
Type:
artykuły w czasopismach
Published in:
Acta Scientiarum Polonorum Formatio Circumiectus no. 18, pages 27 - 37,
ISSN: 1644-0765
Language:
English
Publication year:
2019
Bibliographic description:
Gąsiorowski D., Artichowicz W.: DISTRIBUTION OF FLOWS IN A CHANNEL NETWORK UNDER STEADY FLOW CONDITIONS// Acta Scientiarum Polonorum Formatio Circumiectus -Vol. 18,iss. 1 (2019), s.27-37
DOI:
Digital Object Identifier (open in new tab) 10.15576/asp.fc/2019.18.1.27
Verified by:
Gdańsk University of Technology

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