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https://hdl.handle.net/2440/2797
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Type: | Journal article |
Title: | Mixing characteristics of axisymmetric free jets from a contoured nozzle, an orifice plate and a pipe |
Author: | Mi, J. Nathan, G. Nobes, D. |
Citation: | Journal of Fluids Engineering, 2001; 123(4):878-883 |
Publisher: | ASME-Amer Soc Mechanical Eng |
Issue Date: | 2001 |
ISSN: | 0098-2202 1528-901X |
Abstract: | <jats:p>The differences in mixing performance between axisymmetric turbulent jets issuing from three common types of nozzle, viz. a contoured (or smooth contraction) nozzle, a sharp-edged orifice and a long pipe, are investigated. The investigation is carried out using both qualitative flow visualizations and quantitative measurements of the centerline passive temperature. It is revealed that the jet issuing from an orifice plate provides the greatest rate of mixing with ambient fluid, while the pipe jet has the lowest rate. Physical insight into the differences is explored using a planar imaging technique and measurements of power spectra of the fluctuating velocity.</jats:p> |
DOI: | 10.1115/1.1412460 |
Published version: | http://dx.doi.org/10.1115/1.1412460 |
Appears in Collections: | Aurora harvest 2 Environment Institute Leaders publications Mechanical Engineering publications |
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