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Flow Pattern in a Converge 90° Degree Bend

Author(s): M. Taghizadeh; T. Hosseyni Serghin; M. Bazargan; S. Nazari

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Abstract: Flow pattern in a bend is one of the most complex water flows in nature. In real life the width of meander is not constant always. This paper describe flow pattern in a converge 90°degree bend experimentally and numerically where the width of channel varies from 0. 6m to 0. 3m along the bend. The PVM velocimeter was used to measure the longitudinal and lateral components of velocity. The numerical model, SSIIM, used in this study, solves Reynolds-averaged Navier-stokes equations and continuity equation to calculate flow field. By comparison of the numerical result with experimental data, SSIIM was found to simulate flow pattern in converge 90°degree bend with sufficient accuracy.


Year: 2012

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