Experiments and 3D simulations of flow structures in junctions and their influence on location of flowmeters | Zendy

Emmanuel Mignot | Zendy; Hossein Bonakdari | Zendy; P. Knothe | Zendy; Gislain Lipeme Kouyi | Zendy; A. Bessette | Zendy; Nicolas Rivière | Zendy; Jean-Luc Bertrand-Krajewski | Zendy

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Experiments and 3D simulations of flow structures in junctions and their influence on location of flowmeters

Author(s) -

Emmanuel Mignot,

Hossein Bonakdari,

P. Knothe,

Gislain Lipeme Kouyi,

A. Bessette,

Nicolas Rivière,

Jean-Luc Bertrand-Krajewski

Publication year - 2012

Publication title -

water science and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.406

H-Index - 137

eISSN - 1996-9732

pISSN - 0273-1223

DOI - 10.2166/wst.2012.319

Subject(s) - flow (mathematics) , volumetric flow rate , mechanics , open channel flow , channel (broadcasting) , computation , flow coefficient , measure (data warehouse) , flow measurement , flow velocity , simulation , geometry , geology , computer science , mathematics , physics , algorithm , telecommunications , data mining

Open-channel junctions are common occurrences in sewer networks and flow rate measurement often occurs near these singularities. Local flow structures are 3D, impact on the representativeness of the local flow measurements and thus lead to deviations in the flow rate estimation. The present study aims (i) to measure and simulate the flow pattern in a junction flow, (ii) to analyse the impact of the junction on the velocity distribution according to the distance from the junction and thus (iii) to evaluate the typical error derived from the computation of the flow rate close to the junction.

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