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Aspects of moment of momentum for vortex strength
U.P. Gupta, C.S.P. Ojha,
Published in
Volume: 16
Issue: 1
Pages: 11 - 19
The submerged vanes are vortex generating device which function through generation of secondary circulation for bringing about desired sediment redistribution within the channel cross-section. Strength of vortex is important for the comparison of strengths of different vortices. Evaluation of torque is little more complicated than the evaluation of moment of momentum. Therefore, instead of evaluating torque, moment of momentum can be evaluated as the strength of vortex. All the three components of velocity can be measured using Acoustic Doppler Velocimeter. Grids across the flume in vertical plane can be considered for the measurements of components of velocity. Moment of momentum depends on wide range of variables. The dimensionless moment of momentum can be considered for the evaluation of strength of vortex. © 2010 Taylor & Francis Group, LLC.
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