Research Article
May 1967
Heterogeneous Flow of Solids in Pipelines
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VIEW THE REPLYAuthors: Iraj Zandi, M.ASCE, and George GovatosAuthor Affiliations
Publication: Journal of the Hydraulics Division
Volume 93, Issue 3
Abstract
The state of knowledge of predicting the head losses of heterogeneous flow of slurries in pipes has been reviewed. From published and unpublished papers and these, data for solid-liquid flow in pipes, encompassing a wide range of experimental variables, were collected (including 2,549 data points). This information was converted to a common set of units. For various reasons, 1,097 data points were discarded. Those remaining were used to investigate the validity of three leading equations of solid-liquid flow as prediction equations. A dimensionless number NI has been introduced, which permits quantitative differentiation of heterogeneous flow from saltation. It is recommended that this number be used in the same manner as the Reynolds number in single-phase flow. A set of two equations of Durand's type has been proposed for the prediction of head losses of the heterogeneous regime. The prediction by this set of new equations has been found to be quite accurate, and superior to all existing ones.
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Published In
Journal of the Hydraulics Division
Volume 93 • Issue 3 • May 1967
Pages: 145 - 159
Copyright
© 1967 American Society of Civil Engineers.
History
Published in print: May 1967
Published online: Feb 3, 2021
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Authors
Affiliations
Iraj Zandi, M.ASCE
Assoc. Prof., Towne Sch. of Civ. and Mech. Engrg., Univ. of Pennsylvania, Philadelphia, Pa
George Govatos
Graduate Research Asst., Towne Sch. of Civ. and Mech. Engrg., Univ. of Pennsylvania, Philadelphia, Pa
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.