General Correlation of Pressure Distribution for Swirl Flow in Pipes | ||||
| ERJ. Engineering Research Journal | ||||
| Article 1, Volume 22, Issue 1, January 1999, Page 1-20 PDF (441.67 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/erjm.1999.72988 | ||||
 View on SCiNiTO | ||||
| Author | ||||
| M. H. Embaby | ||||
| Mech, Power Eng. Dept. Faculty of Eng., Menoufia Univ., Egypt. | ||||
| Abstract | ||||
| Early correlations of wall static pressure distribution along pipes, through which a Newtonian fluid flows with-unguided vane generated-swirl component, have been generalized. Generalization includes another - tangential tap generated - swirl type in addition to fluids other than Newtonian. These correlations are of great benefit for many applications provided knowledge of the fluid rheological properties as well as the conventional friction factor correlations. An expression for swirl number evaluation has been introduced in order to make use of the available correlations. Application on non-Newtomian power law fluids has been carried out and the correlation represented well the available experimental data for both laminar and turbulent flow conditions. Application on drag reduction flow, under conditions of maximum drag reduction, has shown that the percentage drag reduction increases as the pipe length increases, i.e., as the swirl intensity decreases. | ||||
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