Prediction of air core diameters for hydrocyclones

Steffens P.R., Whiten W.J., Appleby S. and Hitchins J. (1993) Prediction of air core diameters for hydrocyclones. International Journal of Mineral Processing, 39 1-2: 61-74. doi:10.1016/0301-7516(93)90052-C


Author Steffens P.R.
Whiten W.J.
Appleby S.
Hitchins J.
Title Prediction of air core diameters for hydrocyclones
Journal name International Journal of Mineral Processing   Check publisher's open access policy
ISSN 0301-7516
Publication date 1993-01-01
Sub-type Article (original research)
DOI 10.1016/0301-7516(93)90052-C
Open Access Status
Volume 39
Issue 1-2
Start page 61
End page 74
Total pages 14
Subject 1900 Earth and Planetary Sciences
1906 Geochemistry and Petrology
1909 Geotechnical Engineering and Engineering Geology
Abstract The flow split between the products of a hydrocyclone is one of the least understood aspects of hydrocyclone operation. This split is greatly influenced by the air core diameter, so an understanding of the air core behaviour would greatly assist in predicting flow splits. A program of combined theoretical and experimental investigation of the factors that control the air core in a hydrocyclone is being undertaken. Rietema type simplifications of the Navier Stokes equations have been extended to include the prediction of air core diameter. The equations which are indirect in their original form have been converted to give a direct solution for the dimensionless pressure and air core diameter ratio. An experimental program using simplified test units has been undertaken. This has obtained pressure drop, air core diameter and velocity profile data over a considerable range of operating conditions. This data is being used to identify and correct deficiencies in the theoretical analysis, and to investigate the range of validity of the resulting relations. The aim is to produce simple relations that can be used to improve the accuracy of typical simulations of hydrocyclone performance, and also to provide some guidance in the design of hydrocyclones.
Q-Index Code C1
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
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Created: Tue, 06 Sep 2016, 11:01:35 EST by System User