August 2009

Piping/Fluid Flow

A support vector classification method for regime identification of slurry transport in pipelines

Statistical analysis showed the proposed solution has an average misclassification error of only 1.5%

Ghanta, K. C., Lahiri, S. K., National Institute of Technology

  Four distinct regimes were found to exist (namely sliding bed, saltation, heterogeneous suspension and homogeneous suspension) in slurry flow in pipelines depending upon the average flow velocity. In the literature, few correlations have been proposed for identifying these regimes. Regime identification is important for slurry pipeline design since it is a prerequisite for applying different pressure drop correlations in different regimes. However, available correlations fail to predict the regime over a wide range of conditions. Based on a databank of around 800 measurements collected from the open literature, a method has been proposed to identify the regime using support vector m

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